diff --git a/src/lib/game/constants.ts b/src/lib/game/constants.ts
index 693ce73..794e834 100755
--- a/src/lib/game/constants.ts
+++ b/src/lib/game/constants.ts
@@ -1,1436 +1,5 @@
-// ─── Game Constants ───────────────────────────────────────────────────────────
+// ─── Game Constants (Re-export) ───────────────────────────────────────────
+// This file now re-exports from domain-specific files in the constants/ directory
+// for better organization and maintainability.
 
-import type { ElementDef, GuardianDef, SpellDef, SkillDef, PrestigeDef, SpellCost } from './types';
-
-// Time constants
-export const TICK_MS = 200;
-export const HOURS_PER_TICK = 0.04; // 200ms / 5000ms per in-game hour
-export const MAX_DAY = 30;
-export const INCURSION_START_DAY = 20;
-
-// Mana constants
-export const MANA_PER_ELEMENT = 100;
-
-// Helper function for creating raw mana cost
-export function rawCost(amount: number): SpellCost {
-  return { type: 'raw', amount };
-}
-
-// Helper function for creating elemental mana cost
-export function elemCost(element: string, amount: number): SpellCost {
-  return { type: 'element', element, amount };
-}
-
-// ─── Element Definitions ─────────────────────────────────────────────────────
-export const ELEMENTS: Record<string, ElementDef> = {
-  // Base Elements
-  fire:   { name: "Fire",   sym: "🔥", color: "#FF6B35", glow: "#FF6B3540", cat: "base" },
-  water:  { name: "Water",  sym: "💧", color: "#4ECDC4", glow: "#4ECDC440", cat: "base" },
-  air:    { name: "Air",    sym: "🌬️", color: "#00D4FF", glow: "#00D4FF40", cat: "base" },
-  earth:  { name: "Earth",  sym: "⛰️", color: "#F4A261", glow: "#F4A26140", cat: "base" },
-  light:  { name: "Light",  sym: "☀️", color: "#FFD700", glow: "#FFD70040", cat: "base" },
-  dark:   { name: "Dark",   sym: "🌑", color: "#9B59B6", glow: "#9B59B640", cat: "base" },
-  death:  { name: "Death",  sym: "💀", color: "#778CA3", glow: "#778CA340", cat: "base" },
-  
-  // Utility Elements
-  transference: { name: "Transference", sym: "🔗", color: "#1ABC9C", glow: "#1ABC9C40", cat: "utility" },
-  
-  // Composite Elements
-  metal:     { name: "Metal",     sym: "⚙️", color: "#BDC3C7", glow: "#BDC3C740", cat: "composite", recipe: ["fire", "earth"] },
-  sand:      { name: "Sand",      sym: "⏳", color: "#D4AC0D", glow: "#D4AC0D40", cat: "composite", recipe: ["earth", "water"] },
-  lightning: { name: "Lightning", sym: "⚡", color: "#FFEB3B", glow: "#FFEB3B40", cat: "composite", recipe: ["fire", "air"] },
-  
-  // Exotic Elements
-  crystal: { name: "Crystal", sym: "💎", color: "#85C1E9", glow: "#85C1E940", cat: "exotic", recipe: ["sand", "sand", "light"] },
-  stellar: { name: "Stellar", sym: "⭐", color: "#F0E68C", glow: "#F0E68C40", cat: "exotic", recipe: ["fire", "fire", "light"] },
-  void:    { name: "Void",   sym: "🕳️", color: "#4A235A", glow: "#4A235A40", cat: "exotic", recipe: ["dark", "dark", "death"] },
-};
-
-// NOTE: Life, Blood, Wood, Mental, and Force mana types have been removed.
-// Lifesteal and healing are BANNED from player abilities - see AGENTS.md
-// Crystal recipe updated to use light instead of mental.
-
-export const FLOOR_ELEM_CYCLE = ["fire", "water", "air", "earth", "light", "dark", "death"];
-
-// ─── Room Types ────────────────────────────────────────────────────────────────
-// Room types for spire floors
-export type RoomType = 'combat' | 'puzzle' | 'swarm' | 'speed' | 'guardian';
-
-// Room generation rules:
-// - Guardian floors (10, 20, 30, etc.) are ALWAYS guardian type
-// - Every 5th floor (5, 15, 25, etc.) has a chance for special rooms
-// - Other floors are combat with chance for swarm/speed
-export const PUZZLE_ROOM_INTERVAL = 7; // Every 7 floors, chance for puzzle
-export const SWARM_ROOM_CHANCE = 0.15; // 15% chance for swarm room
-export const SPEED_ROOM_CHANCE = 0.10; // 10% chance for speed room
-export const PUZZLE_ROOM_CHANCE = 0.20; // 20% chance for puzzle room on puzzle floors
-
-// Puzzle room definitions - themed around attunements
-export const PUZZLE_ROOMS: Record<string, {
-  name: string;
-  attunements: string[];  // Which attunements speed up progress
-  baseProgressPerTick: number;  // Base progress rate
-  attunementBonus: number;  // Multiplier per relevant attunement level
-  description: string;
-}> = {
-  enchanter_trial: {
-    name: "Enchanter's Trial",
-    attunements: ['enchanter'],
-    baseProgressPerTick: 0.02,
-    attunementBonus: 0.03,
-    description: "Decipher ancient enchantment runes."
-  },
-  fabricator_trial: {
-    name: "Fabricator's Trial",
-    attunements: ['fabricator'],
-    baseProgressPerTick: 0.02,
-    attunementBonus: 0.03,
-    description: "Construct a mana-powered mechanism."
-  },
-  invoker_trial: {
-    name: "Invoker's Trial",
-    attunements: ['invoker'],
-    baseProgressPerTick: 0.02,
-    attunementBonus: 0.03,
-    description: "Commune with guardian spirits."
-  },
-  hybrid_enchanter_fabricator: {
-    name: "Fusion Workshop",
-    attunements: ['enchanter', 'fabricator'],
-    baseProgressPerTick: 0.015,
-    attunementBonus: 0.025,
-    description: "Enchant and construct in harmony."
-  },
-  hybrid_enchanter_invoker: {
-    name: "Ritual Circle",
-    attunements: ['enchanter', 'invoker'],
-    baseProgressPerTick: 0.015,
-    attunementBonus: 0.025,
-    description: "Bind pact energies into enchantments."
-  },
-  hybrid_fabricator_invoker: {
-    name: "Golem Forge",
-    attunements: ['fabricator', 'invoker'],
-    baseProgressPerTick: 0.015,
-    attunementBonus: 0.025,
-    description: "Channel guardian power into constructs."
-  },
-};
-
-// Swarm room configuration
-export const SWARM_CONFIG = {
-  minEnemies: 3,
-  maxEnemies: 6,
-  hpMultiplier: 0.4,  // Each enemy has 40% of normal floor HP
-  armorBase: 0,       // Swarm enemies start with no armor
-  armorPerFloor: 0.01, // Gain 1% armor per 10 floors
-};
-
-// Speed room configuration (dodging enemies)
-export const SPEED_ROOM_CONFIG = {
-  baseDodgeChance: 0.25,  // 25% base dodge chance
-  dodgePerFloor: 0.005,   // +0.5% dodge per floor
-  maxDodge: 0.50,         // Max 50% dodge
-  speedBonus: 0.5,        // 50% less time to complete if dodged
-};
-
-// Armor scaling for normal floors
-export const FLOOR_ARMOR_CONFIG = {
-  baseChance: 0,          // No armor on floor 1-9
-  chancePerFloor: 0.01,   // +1% chance per floor after 10
-  maxArmorChance: 0.5,    // Max 50% of floors have armor
-  minArmor: 0.05,         // Min 5% armor
-  maxArmor: 0.25,         // Max 25% armor on non-guardians
-};
-
-// ─── Guardians ────────────────────────────────────────────────────────────────
-// All guardians have armor - damage reduction percentage
-export const GUARDIANS: Record<number, GuardianDef> = {
-  10:  { 
-    name: "Ignis Prime", element: "fire", hp: 5000, pact: 1.5, color: "#FF6B35",
-    armor: 0.10, // 10% damage reduction
-    boons: [
-      { type: 'elementalDamage', value: 5, desc: '+5% Fire damage' },
-      { type: 'maxMana', value: 50, desc: '+50 max mana' },
-    ],
-    pactCost: 500,
-    pactTime: 2,
-    uniquePerk: "Fire spells cast 10% faster"
-  },
-  20:  { 
-    name: "Aqua Regia", element: "water", hp: 15000, pact: 1.75, color: "#4ECDC4",
-    armor: 0.15,
-    boons: [
-      { type: 'elementalDamage', value: 5, desc: '+5% Water damage' },
-      { type: 'manaRegen', value: 0.5, desc: '+0.5 mana regen' },
-    ],
-    pactCost: 1000,
-    pactTime: 4,
-    uniquePerk: "Water spells deal +15% damage"
-  },
-  30:  { 
-    name: "Ventus Rex", element: "air", hp: 30000, pact: 2.0, color: "#00D4FF",
-    armor: 0.18,
-    boons: [
-      { type: 'elementalDamage', value: 5, desc: '+5% Air damage' },
-      { type: 'castingSpeed', value: 5, desc: '+5% cast speed' },
-    ],
-    pactCost: 2000,
-    pactTime: 6,
-    uniquePerk: "Air spells have 15% crit chance"
-  },
-  40:  { 
-    name: "Terra Firma", element: "earth", hp: 50000, pact: 2.25, color: "#F4A261",
-    armor: 0.25, // Earth guardian - highest armor
-    boons: [
-      { type: 'elementalDamage', value: 5, desc: '+5% Earth damage' },
-      { type: 'maxMana', value: 100, desc: '+100 max mana' },
-    ],
-    pactCost: 4000,
-    pactTime: 8,
-    uniquePerk: "Earth spells deal +25% damage to guardians"
-  },
-  50:  { 
-    name: "Lux Aeterna", element: "light", hp: 80000, pact: 2.5, color: "#FFD700",
-    armor: 0.20,
-    boons: [
-      { type: 'elementalDamage', value: 10, desc: '+10% Light damage' },
-      { type: 'insightGain', value: 10, desc: '+10% insight gain' },
-    ],
-    pactCost: 8000,
-    pactTime: 10,
-    uniquePerk: "Light spells reveal enemy weaknesses (+20% damage)"
-  },
-  60:  { 
-    name: "Umbra Mortis", element: "dark", hp: 120000, pact: 2.75, color: "#9B59B6",
-    armor: 0.22,
-    boons: [
-      { type: 'elementalDamage', value: 10, desc: '+10% Dark damage' },
-      { type: 'critDamage', value: 15, desc: '+15% crit damage' },
-    ],
-    pactCost: 15000,
-    pactTime: 12,
-    uniquePerk: "Dark spells deal +25% damage to armored enemies"
-  },
-  80:  { 
-    name: "Mors Ultima", element: "death", hp: 250000, pact: 3.25, color: "#778CA3",
-    armor: 0.25,
-    boons: [
-      { type: 'elementalDamage', value: 10, desc: '+10% Death damage' },
-      { type: 'rawDamage', value: 10, desc: '+10% raw damage' },
-    ],
-    pactCost: 40000,
-    pactTime: 16,
-    uniquePerk: "Death spells execute enemies below 20% HP"
-  },
-  90:  { 
-    name: "Primordialis", element: "void", hp: 400000, pact: 4.0, color: "#4A235A",
-    armor: 0.30,
-    boons: [
-      { type: 'elementalDamage', value: 15, desc: '+15% Void damage' },
-      { type: 'maxMana', value: 200, desc: '+200 max mana' },
-      { type: 'manaRegen', value: 1, desc: '+1 mana regen' },
-    ],
-    pactCost: 75000,
-    pactTime: 20,
-    uniquePerk: "Void spells ignore 30% of enemy resistance"
-  },
-  100: { 
-    name: "The Awakened One", element: "stellar", hp: 1000000, pact: 5.0, color: "#F0E68C",
-    armor: 0.35, // Final boss has highest armor
-    boons: [
-      { type: 'elementalDamage', value: 20, desc: '+20% Stellar damage' },
-      { type: 'maxMana', value: 500, desc: '+500 max mana' },
-      { type: 'manaRegen', value: 2, desc: '+2 mana regen' },
-      { type: 'insightGain', value: 25, desc: '+25% insight gain' },
-    ],
-    pactCost: 150000,
-    pactTime: 24,
-    uniquePerk: "All spells deal +50% damage and cast 25% faster"
-  },
-};
-
-// ─── Spells ───────────────────────────────────────────────────────────────────
-export const SPELLS_DEF: Record<string, SpellDef> = {
-  // Tier 0 - Basic Raw Mana Spells (fast, costs raw mana)
-  manaBolt: {
-    name: "Mana Bolt",
-    elem: "raw",
-    dmg: 5,
-    cost: rawCost(3),
-    tier: 0,
-    castSpeed: 3,
-    unlock: 0,
-    studyTime: 0,
-    desc: "A weak bolt of pure mana. Costs raw mana instead of elemental."
-  },
-  manaStrike: {
-    name: "Mana Strike",
-    elem: "raw",
-    dmg: 8,
-    cost: rawCost(5),
-    tier: 0,
-    castSpeed: 2.5,
-    unlock: 50,
-    studyTime: 1,
-    desc: "A concentrated strike of raw mana. Slightly stronger than Mana Bolt."
-  },
-  
-  // Tier 1 - Basic Elemental Spells (2-4 hours study)
-  fireball: {
-    name: "Fireball",
-    elem: "fire",
-    dmg: 15,
-    cost: elemCost("fire", 2),
-    tier: 1,
-    castSpeed: 2,
-    unlock: 100,
-    studyTime: 2,
-    desc: "Hurl a ball of fire at your enemy."
-  },
-  emberShot: {
-    name: "Ember Shot",
-    elem: "fire",
-    dmg: 10,
-    cost: elemCost("fire", 1),
-    tier: 1,
-    castSpeed: 3,
-    unlock: 75,
-    studyTime: 1,
-    desc: "A quick shot of embers. Efficient fire damage."
-  },
-  waterJet: {
-    name: "Water Jet",
-    elem: "water",
-    dmg: 12,
-    cost: elemCost("water", 2),
-    tier: 1,
-    castSpeed: 2,
-    unlock: 100,
-    studyTime: 2,
-    desc: "A high-pressure jet of water."
-  },
-  iceShard: {
-    name: "Ice Shard",
-    elem: "water",
-    dmg: 14,
-    cost: elemCost("water", 2),
-    tier: 1,
-    castSpeed: 2,
-    unlock: 120,
-    studyTime: 2,
-    desc: "Launch a sharp shard of ice."
-  },
-  gust: {
-    name: "Gust",
-    elem: "air",
-    dmg: 10,
-    cost: elemCost("air", 2),
-    tier: 1,
-    castSpeed: 3,
-    unlock: 100,
-    studyTime: 2,
-    desc: "A powerful gust of wind."
-  },
-  windSlash: {
-    name: "Wind Slash",
-    elem: "air",
-    dmg: 12,
-    cost: elemCost("air", 2),
-    tier: 1,
-    castSpeed: 2.5,
-    unlock: 110,
-    studyTime: 2,
-    desc: "A cutting blade of wind."
-  },
-  stoneBullet: {
-    name: "Stone Bullet",
-    elem: "earth",
-    dmg: 16,
-    cost: elemCost("earth", 2),
-    tier: 1,
-    castSpeed: 2,
-    unlock: 150,
-    studyTime: 3,
-    desc: "Launch a bullet of solid stone."
-  },
-  rockSpike: {
-    name: "Rock Spike",
-    elem: "earth",
-    dmg: 18,
-    cost: elemCost("earth", 3),
-    tier: 1,
-    castSpeed: 1.5,
-    unlock: 180,
-    studyTime: 3,
-    desc: "Summon a spike of rock from below."
-  },
-  lightLance: {
-    name: "Light Lance",
-    elem: "light",
-    dmg: 18,
-    cost: elemCost("light", 2),
-    tier: 1,
-    castSpeed: 2,
-    unlock: 200,
-    studyTime: 4,
-    desc: "A piercing lance of pure light."
-  },
-  radiance: {
-    name: "Radiance",
-    elem: "light",
-    dmg: 14,
-    cost: elemCost("light", 2),
-    tier: 1,
-    castSpeed: 2.5,
-    unlock: 180,
-    studyTime: 3,
-    desc: "Burst of radiant energy."
-  },
-  shadowBolt: {
-    name: "Shadow Bolt",
-    elem: "dark",
-    dmg: 16,
-    cost: elemCost("dark", 2),
-    tier: 1,
-    castSpeed: 2,
-    unlock: 200,
-    studyTime: 4,
-    desc: "A bolt of shadowy energy."
-  },
-  darkPulse: {
-    name: "Dark Pulse",
-    elem: "dark",
-    dmg: 12,
-    cost: elemCost("dark", 1),
-    tier: 1,
-    castSpeed: 3,
-    unlock: 150,
-    studyTime: 2,
-    desc: "A quick pulse of darkness."
-  },
-  drain: {
-    name: "Drain",
-    elem: "death",
-    dmg: 10,
-    cost: elemCost("death", 2),
-    tier: 1,
-    castSpeed: 2,
-    unlock: 150,
-    studyTime: 3,
-    desc: "Drain life force from your enemy.",
-  },
-  rotTouch: {
-    name: "Rot Touch",
-    elem: "death",
-    dmg: 14,
-    cost: elemCost("death", 2),
-    tier: 1,
-    castSpeed: 2,
-    unlock: 170,
-    studyTime: 3,
-    desc: "Touch of decay and rot."
-  },
-
-  
-  // Tier 2 - Advanced Spells (8-12 hours study)
-  inferno: {
-    name: "Inferno",
-    elem: "fire",
-    dmg: 60,
-    cost: elemCost("fire", 8),
-    tier: 2,
-    castSpeed: 1,
-    unlock: 1000,
-    studyTime: 8,
-    desc: "Engulf your enemy in flames."
-  },
-  flameWave: {
-    name: "Flame Wave",
-    elem: "fire",
-    dmg: 45,
-    cost: elemCost("fire", 6),
-    tier: 2,
-    castSpeed: 1.5,
-    unlock: 800,
-    studyTime: 6,
-    desc: "A wave of fire sweeps across the battlefield."
-  },
-  tidalWave: {
-    name: "Tidal Wave",
-    elem: "water",
-    dmg: 55,
-    cost: elemCost("water", 8),
-    tier: 2,
-    castSpeed: 1,
-    unlock: 1000,
-    studyTime: 8,
-    desc: "A massive wave crashes down."
-  },
-  iceStorm: {
-    name: "Ice Storm",
-    elem: "water",
-    dmg: 50,
-    cost: elemCost("water", 7),
-    tier: 2,
-    castSpeed: 1.2,
-    unlock: 900,
-    studyTime: 7,
-    desc: "A storm of ice shards."
-  },
-  earthquake: {
-    name: "Earthquake",
-    elem: "earth",
-    dmg: 70,
-    cost: elemCost("earth", 10),
-    tier: 2,
-    castSpeed: 0.8,
-    unlock: 1200,
-    studyTime: 10,
-    desc: "Shake the very foundation."
-  },
-  stoneBarrage: {
-    name: "Stone Barrage",
-    elem: "earth",
-    dmg: 55,
-    cost: elemCost("earth", 7),
-    tier: 2,
-    castSpeed: 1.2,
-    unlock: 1000,
-    studyTime: 8,
-    desc: "Multiple stone projectiles."
-  },
-  hurricane: {
-    name: "Hurricane",
-    elem: "air",
-    dmg: 50,
-    cost: elemCost("air", 8),
-    tier: 2,
-    castSpeed: 1,
-    unlock: 1000,
-    studyTime: 8,
-    desc: "A devastating hurricane."
-  },
-  windBlade: {
-    name: "Wind Blade",
-    elem: "air",
-    dmg: 40,
-    cost: elemCost("air", 5),
-    tier: 2,
-    castSpeed: 1.8,
-    unlock: 700,
-    studyTime: 6,
-    desc: "A blade of cutting wind."
-  },
-  solarFlare: {
-    name: "Solar Flare",
-    elem: "light",
-    dmg: 65,
-    cost: elemCost("light", 9),
-    tier: 2,
-    castSpeed: 0.9,
-    unlock: 1100,
-    studyTime: 9,
-    desc: "A blinding flare of solar energy."
-  },
-  divineSmite: {
-    name: "Divine Smite",
-    elem: "light",
-    dmg: 55,
-    cost: elemCost("light", 7),
-    tier: 2,
-    castSpeed: 1.2,
-    unlock: 900,
-    studyTime: 7,
-    desc: "A smite of divine power."
-  },
-  voidRift: {
-    name: "Void Rift",
-    elem: "dark",
-    dmg: 55,
-    cost: elemCost("dark", 8),
-    tier: 2,
-    castSpeed: 1,
-    unlock: 1000,
-    studyTime: 8,
-    desc: "Open a rift to the void."
-  },
-  shadowStorm: {
-    name: "Shadow Storm",
-    elem: "dark",
-    dmg: 48,
-    cost: elemCost("dark", 6),
-    tier: 2,
-    castSpeed: 1.3,
-    unlock: 800,
-    studyTime: 6,
-    desc: "A storm of shadows."
-  },
-  soulRend: {
-    name: "Soul Rend",
-    elem: "death",
-    dmg: 50,
-    cost: elemCost("death", 7),
-    tier: 2,
-    castSpeed: 1.1,
-    unlock: 1100,
-    studyTime: 9,
-    desc: "Tear at the enemy's soul."
-  },
-  
-  // Tier 3 - Master Spells (20-30 hours study)
-  pyroclasm: {
-    name: "Pyroclasm",
-    elem: "fire",
-    dmg: 250,
-    cost: elemCost("fire", 25),
-    tier: 3,
-    castSpeed: 0.6,
-    unlock: 10000,
-    studyTime: 24,
-    desc: "An eruption of volcanic fury."
-  },
-  tsunami: {
-    name: "Tsunami",
-    elem: "water",
-    dmg: 220,
-    cost: elemCost("water", 22),
-    tier: 3,
-    castSpeed: 0.65,
-    unlock: 10000,
-    studyTime: 24,
-    desc: "A towering wall of water."
-  },
-  meteorStrike: {
-    name: "Meteor Strike",
-    elem: "earth",
-    dmg: 280,
-    cost: elemCost("earth", 28),
-    tier: 3,
-    castSpeed: 0.5,
-    unlock: 12000,
-    studyTime: 28,
-    desc: "Call down a meteor from the heavens."
-  },
-  cosmicStorm: {
-    name: "Cosmic Storm",
-    elem: "air",
-    dmg: 200,
-    cost: elemCost("air", 20),
-    tier: 3,
-    castSpeed: 0.7,
-    unlock: 10000,
-    studyTime: 24,
-    desc: "A storm of cosmic proportions."
-  },
-  heavenLight: {
-    name: "Heaven's Light",
-    elem: "light",
-    dmg: 240,
-    cost: elemCost("light", 24),
-    tier: 3,
-    castSpeed: 0.6,
-    unlock: 11000,
-    studyTime: 26,
-    desc: "The light of heaven itself."
-  },
-  oblivion: {
-    name: "Oblivion",
-    elem: "dark",
-    dmg: 230,
-    cost: elemCost("dark", 23),
-    tier: 3,
-    castSpeed: 0.6,
-    unlock: 10500,
-    studyTime: 25,
-    desc: "Consign to oblivion."
-  },
-  deathMark: {
-    name: "Death Mark",
-    elem: "death",
-    dmg: 200,
-    cost: elemCost("death", 20),
-    tier: 3,
-    castSpeed: 0.7,
-    unlock: 10000,
-    studyTime: 24,
-    desc: "Mark for death."
-  },
-  
-  // Tier 4 - Legendary Spells (40-60 hours study, require exotic elements)
-  stellarNova: {
-    name: "Stellar Nova",
-    elem: "stellar",
-    dmg: 500,
-    cost: elemCost("stellar", 15),
-    tier: 4,
-    castSpeed: 0.4,
-    unlock: 50000,
-    studyTime: 48,
-    desc: "A nova of stellar energy."
-  },
-  voidCollapse: {
-    name: "Void Collapse",
-    elem: "void",
-    dmg: 450,
-    cost: elemCost("void", 12),
-    tier: 4,
-    castSpeed: 0.45,
-    unlock: 40000,
-    studyTime: 42,
-    desc: "Collapse the void upon your enemy."
-  },
-  crystalShatter: {
-    name: "Crystal Shatter",
-    elem: "crystal",
-    dmg: 400,
-    cost: elemCost("crystal", 10),
-    tier: 4,
-    castSpeed: 0.5,
-    unlock: 35000,
-    studyTime: 36,
-    desc: "Shatter crystalline energy."
-  },
-  
-  // ═══════════════════════════════════════════════════════════════════════════
-  // LIGHTNING SPELLS - Fast, armor-piercing, harder to dodge
-  // ═══════════════════════════════════════════════════════════════════════════
-  
-  // Tier 1 - Basic Lightning
-  spark: {
-    name: "Spark",
-    elem: "lightning",
-    dmg: 8,
-    cost: elemCost("lightning", 1),
-    tier: 1,
-    castSpeed: 4,
-    unlock: 120,
-    studyTime: 2,
-    desc: "A quick spark of lightning. Very fast and hard to dodge.",
-    effects: [{ type: 'armor_pierce', value: 0.2 }]
-  },
-  lightningBolt: {
-    name: "Lightning Bolt",
-    elem: "lightning",
-    dmg: 14,
-    cost: elemCost("lightning", 2),
-    tier: 1,
-    castSpeed: 3,
-    unlock: 150,
-    studyTime: 3,
-    desc: "A bolt of lightning that pierces armor.",
-    effects: [{ type: 'armor_pierce', value: 0.3 }]
-  },
-  
-  // Tier 2 - Advanced Lightning
-  chainLightning: {
-    name: "Chain Lightning",
-    elem: "lightning",
-    dmg: 25,
-    cost: elemCost("lightning", 5),
-    tier: 2,
-    castSpeed: 2,
-    unlock: 900,
-    studyTime: 8,
-    desc: "Lightning that arcs between enemies. Hits 3 targets.",
-    isAoe: true,
-    aoeTargets: 3,
-    effects: [{ type: 'chain', value: 3 }]
-  },
-  stormCall: {
-    name: "Storm Call",
-    elem: "lightning",
-    dmg: 40,
-    cost: elemCost("lightning", 6),
-    tier: 2,
-    castSpeed: 1.5,
-    unlock: 1100,
-    studyTime: 10,
-    desc: "Call down a storm. Hits 2 targets with armor pierce.",
-    isAoe: true,
-    aoeTargets: 2,
-    effects: [{ type: 'armor_pierce', value: 0.4 }]
-  },
-  
-  // Tier 3 - Master Lightning
-  thunderStrike: {
-    name: "Thunder Strike",
-    elem: "lightning",
-    dmg: 150,
-    cost: elemCost("lightning", 15),
-    tier: 3,
-    castSpeed: 0.8,
-    unlock: 10000,
-    studyTime: 24,
-    desc: "Devastating lightning that ignores 50% armor.",
-    effects: [{ type: 'armor_pierce', value: 0.5 }]
-  },
-  
-  // ═══════════════════════════════════════════════════════════════════════════
-  // AOE SPELLS - Hit multiple enemies, less damage per target
-  // ═══════════════════════════════════════════════════════════════════════════
-  
-  // Tier 1 AOE
-  fireballAoe: {
-    name: "Fireball (AOE)",
-    elem: "fire",
-    dmg: 8,
-    cost: elemCost("fire", 3),
-    tier: 1,
-    castSpeed: 2,
-    unlock: 150,
-    studyTime: 3,
-    desc: "An explosive fireball that hits 3 enemies.",
-    isAoe: true,
-    aoeTargets: 3,
-    effects: [{ type: 'aoe', value: 3 }]
-  },
-  frostNova: {
-    name: "Frost Nova",
-    elem: "water",
-    dmg: 6,
-    cost: elemCost("water", 3),
-    tier: 1,
-    castSpeed: 2,
-    unlock: 140,
-    studyTime: 3,
-    desc: "A burst of frost hitting 4 enemies. May freeze.",
-    isAoe: true,
-    aoeTargets: 4,
-    effects: [{ type: 'freeze', value: 0.15, chance: 0.2 }]
-  },
-  
-  // Tier 2 AOE
-  meteorShower: {
-    name: "Meteor Shower",
-    elem: "fire",
-    dmg: 20,
-    cost: elemCost("fire", 8),
-    tier: 2,
-    castSpeed: 1,
-    unlock: 1200,
-    studyTime: 10,
-    desc: "Rain meteors on 5 enemies.",
-    isAoe: true,
-    aoeTargets: 5
-  },
-  blizzard: {
-    name: "Blizzard",
-    elem: "water",
-    dmg: 18,
-    cost: elemCost("water", 7),
-    tier: 2,
-    castSpeed: 1.2,
-    unlock: 1000,
-    studyTime: 9,
-    desc: "A freezing blizzard hitting 4 enemies.",
-    isAoe: true,
-    aoeTargets: 4,
-    effects: [{ type: 'freeze', value: 0.1, chance: 0.15 }]
-  },
-  earthquakeAoe: {
-    name: "Earth Tremor",
-    elem: "earth",
-    dmg: 25,
-    cost: elemCost("earth", 8),
-    tier: 2,
-    castSpeed: 0.8,
-    unlock: 1400,
-    studyTime: 10,
-    desc: "Shake the ground, hitting 3 enemies with high damage.",
-    isAoe: true,
-    aoeTargets: 3
-  },
-  
-  // Tier 3 AOE
-  apocalypse: {
-    name: "Apocalypse",
-    elem: "fire",
-    dmg: 80,
-    cost: elemCost("fire", 20),
-    tier: 3,
-    castSpeed: 0.5,
-    unlock: 15000,
-    studyTime: 30,
-    desc: "End times. Hits ALL enemies with devastating fire.",
-    isAoe: true,
-    aoeTargets: 10
-  },
-  
-  // ═══════════════════════════════════════════════════════════════════════════
-  // MAGIC SWORD ENCHANTMENTS - For weapon enchanting system
-  // ═══════════════════════════════════════════════════════════════════════════
-  
-  fireBlade: {
-    name: "Fire Blade",
-    elem: "fire",
-    dmg: 3,
-    cost: rawCost(1),
-    tier: 1,
-    castSpeed: 4,
-    unlock: 100,
-    studyTime: 2,
-    desc: "Enchant a blade with fire. Burns enemies over time.",
-    isWeaponEnchant: true,
-    effects: [{ type: 'burn', value: 2, duration: 3 }]
-  },
-  frostBlade: {
-    name: "Frost Blade",
-    elem: "water",
-    dmg: 3,
-    cost: rawCost(1),
-    tier: 1,
-    castSpeed: 4,
-    unlock: 100,
-    studyTime: 2,
-    desc: "Enchant a blade with frost. Prevents enemy dodge.",
-    isWeaponEnchant: true,
-    effects: [{ type: 'freeze', value: 0, chance: 1 }] // 100% freeze = no dodge
-  },
-  lightningBlade: {
-    name: "Lightning Blade",
-    elem: "lightning",
-    dmg: 4,
-    cost: rawCost(1),
-    tier: 1,
-    castSpeed: 5,
-    unlock: 150,
-    studyTime: 3,
-    desc: "Enchant a blade with lightning. Pierces 30% armor.",
-    isWeaponEnchant: true,
-    effects: [{ type: 'armor_pierce', value: 0.3 }]
-  },
-  voidBlade: {
-    name: "Void Blade",
-    elem: "dark",
-    dmg: 5,
-    cost: rawCost(2),
-    tier: 2,
-    castSpeed: 3,
-    unlock: 800,
-    studyTime: 8,
-    desc: "Enchant a blade with void. +20% damage.",
-    isWeaponEnchant: true,
-    effects: [{ type: 'buff', value: 0.2 }]
-  },
-  
-  // ═══════════════════════════════════════════════════════════════════════════
-  // COMPOUND MANA SPELLS - Blood, Metal, Wood, Sand
-  // ═══════════════════════════════════════════════════════════════════════════
-  
-  // ─── METAL SPELLS (Fire + Earth) ─────────────────────────────────────────────
-  // Metal magic is slow but devastating with high armor pierce
-  metalShard: {
-    name: "Metal Shard",
-    elem: "metal",
-    dmg: 16,
-    cost: elemCost("metal", 2),
-    tier: 1,
-    castSpeed: 1.8,
-    unlock: 220,
-    studyTime: 3,
-    desc: "A sharpened metal shard. Slower but pierces armor.",
-    effects: [{ type: 'armor_pierce', value: 0.25 }]
-  },
-  ironFist: {
-    name: "Iron Fist",
-    elem: "metal",
-    dmg: 28,
-    cost: elemCost("metal", 4),
-    tier: 1,
-    castSpeed: 1.5,
-    unlock: 350,
-    studyTime: 5,
-    desc: "A crushing fist of iron. High armor pierce.",
-    effects: [{ type: 'armor_pierce', value: 0.35 }]
-  },
-  steelTempest: {
-    name: "Steel Tempest",
-    elem: "metal",
-    dmg: 55,
-    cost: elemCost("metal", 8),
-    tier: 2,
-    castSpeed: 1,
-    unlock: 1300,
-    studyTime: 12,
-    desc: "A whirlwind of steel blades. Ignores much armor.",
-    effects: [{ type: 'armor_pierce', value: 0.45 }]
-  },
-  furnaceBlast: {
-    name: "Furnace Blast",
-    elem: "metal",
-    dmg: 200,
-    cost: elemCost("metal", 20),
-    tier: 3,
-    castSpeed: 0.5,
-    unlock: 18000,
-    studyTime: 32,
-    desc: "Molten metal and fire combined. Devastating armor pierce.",
-    effects: [{ type: 'armor_pierce', value: 0.6 }]
-  },
-  
-  // ─── SAND SPELLS (Earth + Water) ────────────────────────────────────────────
-  // Sand magic slows enemies and deals steady damage
-  sandBlast: {
-    name: "Sand Blast",
-    elem: "sand",
-    dmg: 11,
-    cost: elemCost("sand", 2),
-    tier: 1,
-    castSpeed: 3,
-    unlock: 190,
-    studyTime: 3,
-    desc: "A blast of stinging sand. Fast casting.",
-  },
-  sandstorm: {
-    name: "Sandstorm",
-    elem: "sand",
-    dmg: 22,
-    cost: elemCost("sand", 4),
-    tier: 1,
-    castSpeed: 2,
-    unlock: 300,
-    studyTime: 4,
-    desc: "A swirling sandstorm. Hits 2 enemies.",
-    isAoe: true,
-    aoeTargets: 2,
-  },
-  desertWind: {
-    name: "Desert Wind",
-    elem: "sand",
-    dmg: 38,
-    cost: elemCost("sand", 6),
-    tier: 2,
-    castSpeed: 1.5,
-    unlock: 950,
-    studyTime: 8,
-    desc: "A scouring desert wind. Hits 3 enemies.",
-    isAoe: true,
-    aoeTargets: 3,
-  },
-  duneCollapse: {
-    name: "Dune Collapse",
-    elem: "sand",
-    dmg: 100,
-    cost: elemCost("sand", 16),
-    tier: 3,
-    castSpeed: 0.6,
-    unlock: 14000,
-    studyTime: 28,
-    desc: "Dunes collapse on all enemies. Hits 5 targets.",
-    isAoe: true,
-    aoeTargets: 5,
-  },
-  
-  // ═══════════════════════════════════════════════════════════════════════════
-  // UTILITY MANA SPELLS - Mental, Transference, Force
-  // ═══════════════════════════════════════════════════════════════════════════
-  
-  // ─── TRANSFERENCE SPELLS ─────────────────────────────────────────────────────
-  // Transference magic moves mana and enhances efficiency
-  transferStrike: {
-    name: "Transfer Strike",
-    elem: "transference",
-    dmg: 9,
-    cost: elemCost("transference", 2),
-    tier: 1,
-    castSpeed: 3,
-    unlock: 150,
-    studyTime: 2,
-    desc: "Strike that transfers energy. Very efficient.",
-  },
-  manaRip: {
-    name: "Mana Rip",
-    elem: "transference",
-    dmg: 16,
-    cost: elemCost("transference", 3),
-    tier: 1,
-    castSpeed: 2.5,
-    unlock: 250,
-    studyTime: 4,
-    desc: "Rip mana from the enemy. High efficiency.",
-  },
-  essenceDrain: {
-    name: "Essence Drain",
-    elem: "transference",
-    dmg: 42,
-    cost: elemCost("transference", 7),
-    tier: 2,
-    castSpeed: 1.3,
-    unlock: 1050,
-    studyTime: 10,
-    desc: "Drain the enemy's essence.",
-  },
-  soulTransfer: {
-    name: "Soul Transfer",
-    elem: "transference",
-    dmg: 130,
-    cost: elemCost("transference", 16),
-    tier: 3,
-    castSpeed: 0.6,
-    unlock: 13000,
-    studyTime: 26,
-    desc: "Transfer the soul's energy.",
-  },
-};
-
-// ─── Skills ───────────────────────────────────────────────────────────────────
-export const SKILLS_DEF: Record<string, SkillDef> = {
-  // Mana Skills (4-8 hours study) - Core, no attunement required
-  manaWell:      { name: "Mana Well",      desc: "+100 max mana",         cat: "mana",   max: 10, base: 100, studyTime: 4 },
-  manaFlow:      { name: "Mana Flow",      desc: "+1 regen/hr",           cat: "mana",   max: 10, base: 150, studyTime: 5 },
-  elemAttune:    { name: "Elem. Attunement", desc: "+50 elem mana cap",   cat: "mana",   max: 10, base: 200, studyTime: 4 },
-  manaOverflow:  { name: "Mana Overflow",  desc: "+25% mana from clicks", cat: "mana",   max: 5,  base: 400, req: { manaWell: 3 }, studyTime: 6 },
-
-  // Study Skills (3-6 hours study) - Core, no attunement required
-  quickLearner:  { name: "Quick Learner",   desc: "+10% study speed",     cat: "study",  max: 10, base: 250, studyTime: 4 },
-  focusedMind:   { name: "Focused Mind",    desc: "-5% study mana cost",  cat: "study",  max: 10, base: 300, studyTime: 5 },
-  meditation:    { name: "Meditation Focus", desc: "Up to 2.5x regen after 4hrs meditating", cat: "study", max: 1, base: 400, studyTime: 6 },
-  knowledgeRetention: { name: "Knowledge Retention", desc: "+20% study progress saved on cancel", cat: "study", max: 3, base: 350, studyTime: 5 },
-
-  // Enchanting Skills (4-8 hours study) - Requires Enchanter attunement levels
-  enchanting:       { name: "Enchanting",       desc: "Unlocks enchantment design", cat: "enchant", max: 10, base: 200, studyTime: 5, attunement: 'enchanter', attunementReq: { enchanter: 1 } },
-  efficientEnchant:{ name: "Efficient Enchant", desc: "-5% enchantment capacity cost", cat: "enchant", max: 5, base: 350, studyTime: 6, req: { enchanting: 3 }, attunementReq: { enchanter: 2 } },
-  disenchanting:    { name: "Disenchanting",    desc: "Recover 20% mana from removed enchantments", cat: "enchant", max: 3, base: 400, studyTime: 6, req: { enchanting: 2 }, attunementReq: { enchanter: 1 } },
-  enchantSpeed:     { name: "Enchant Speed",    desc: "-10% enchantment time", cat: "enchant", max: 5, base: 300, studyTime: 4, req: { enchanting: 2 }, attunementReq: { enchanter: 1 } },
-  essenceRefining:  { name: "Essence Refining", desc: "+10% enchantment effect power", cat: "enchant", max: 1, base: 450, studyTime: 7, req: { enchanting: 4 }, attunementReq: { enchanter: 2 } },
-
-  // Crafting Skills (4-6 hours study) - Some require Fabricator
-  effCrafting:   { name: "Eff. Crafting",   desc: "-10% craft time",      cat: "craft",  max: 1,  base: 300, studyTime: 4 },
-  fieldRepair:   { name: "Field Repair",    desc: "+15% repair efficiency", cat: "craft", max: 1, base: 350, studyTime: 4 },
-  elemCrafting:  { name: "Elem. Crafting",  desc: "+25% craft output",    cat: "craft",  max: 1, base: 500, req: { effCrafting: 1 }, studyTime: 8, attunementReq: { enchanter: 1 } },
-
-  // Effect Research Skills (unlock enchantment effects for designing) - Requires Enchanter
-  // Tier 1 - Basic Spell Effects
-  researchManaSpells: { name: "Mana Spell Research", desc: "Unlock Mana Strike spell enchantment", cat: "effectResearch", max: 1, base: 200, studyTime: 4, req: { enchanting: 1 }, attunementReq: { enchanter: 1 } },
-  researchFireSpells: { name: "Fire Spell Research", desc: "Unlock Ember Shot, Fireball spell enchantments", cat: "effectResearch", max: 1, base: 300, studyTime: 6, req: { enchanting: 2 }, attunementReq: { enchanter: 1 } },
-  researchWaterSpells: { name: "Water Spell Research", desc: "Unlock Water Jet, Ice Shard spell enchantments", cat: "effectResearch", max: 1, base: 300, studyTime: 6, req: { enchanting: 2 }, attunementReq: { enchanter: 1 } },
-  researchAirSpells: { name: "Air Spell Research", desc: "Unlock Gust, Wind Slash spell enchantments", cat: "effectResearch", max: 1, base: 300, studyTime: 6, req: { enchanting: 2 }, attunementReq: { enchanter: 1 } },
-  researchEarthSpells: { name: "Earth Spell Research", desc: "Unlock Stone Bullet, Rock Spike spell enchantments", cat: "effectResearch", max: 1, base: 350, studyTime: 6, req: { enchanting: 2 }, attunementReq: { enchanter: 1 } },
-  researchLightSpells: { name: "Light Spell Research", desc: "Unlock Light Lance, Radiance spell enchantments", cat: "effectResearch", max: 1, base: 400, studyTime: 8, req: { enchanting: 3 }, attunementReq: { enchanter: 2 } },
-  researchDarkSpells: { name: "Dark Spell Research", desc: "Unlock Shadow Bolt, Dark Pulse spell enchantments", cat: "effectResearch", max: 1, base: 400, studyTime: 8, req: { enchanting: 3 }, attunementReq: { enchanter: 2 } },
-  researchLifeDeathSpells: { name: "Death Research", desc: "Unlock Drain spell enchantment", cat: "effectResearch", max: 1, base: 400, studyTime: 8, req: { enchanting: 3 }, attunementReq: { enchanter: 2 } },
-  
-  // Tier 2 - Advanced Spell Effects - Require Enchanter 3
-  researchAdvancedFire: { name: "Advanced Fire Research", desc: "Unlock Inferno, Flame Wave spell enchantments", cat: "effectResearch", max: 1, base: 600, studyTime: 12, req: { researchFireSpells: 1, enchanting: 4 }, attunementReq: { enchanter: 3 } },
-  researchAdvancedWater: { name: "Advanced Water Research", desc: "Unlock Tidal Wave, Ice Storm spell enchantments", cat: "effectResearch", max: 1, base: 600, studyTime: 12, req: { researchWaterSpells: 1, enchanting: 4 }, attunementReq: { enchanter: 3 } },
-  researchAdvancedAir: { name: "Advanced Air Research", desc: "Unlock Hurricane, Wind Blade spell enchantments", cat: "effectResearch", max: 1, base: 600, studyTime: 12, req: { researchAirSpells: 1, enchanting: 4 }, attunementReq: { enchanter: 3 } },
-  researchAdvancedEarth: { name: "Advanced Earth Research", desc: "Unlock Earthquake, Stone Barrage spell enchantments", cat: "effectResearch", max: 1, base: 600, studyTime: 12, req: { researchEarthSpells: 1, enchanting: 4 }, attunementReq: { enchanter: 3 } },
-  researchAdvancedLight: { name: "Advanced Light Research", desc: "Unlock Solar Flare, Divine Smite spell enchantments", cat: "effectResearch", max: 1, base: 700, studyTime: 14, req: { researchLightSpells: 1, enchanting: 5 }, attunementReq: { enchanter: 4 } },
-  researchAdvancedDark: { name: "Advanced Dark Research", desc: "Unlock Void Rift, Shadow Storm spell enchantments", cat: "effectResearch", max: 1, base: 700, studyTime: 14, req: { researchDarkSpells: 1, enchanting: 5 }, attunementReq: { enchanter: 4 } },
-  
-  // Tier 3 - Master Spell Effects - Require Enchanter 5
-  researchMasterFire: { name: "Master Fire Research", desc: "Unlock Pyroclasm spell enchantment", cat: "effectResearch", max: 1, base: 1200, studyTime: 24, req: { researchAdvancedFire: 1, enchanting: 7 }, attunementReq: { enchanter: 5 } },
-  researchMasterWater: { name: "Master Water Research", desc: "Unlock Tsunami spell enchantment", cat: "effectResearch", max: 1, base: 1200, studyTime: 24, req: { researchAdvancedWater: 1, enchanting: 7 }, attunementReq: { enchanter: 5 } },
-  researchMasterEarth: { name: "Master Earth Research", desc: "Unlock Meteor Strike spell enchantment", cat: "effectResearch", max: 1, base: 1300, studyTime: 26, req: { researchAdvancedEarth: 1, enchanting: 8 }, attunementReq: { enchanter: 5 } },
-  
-  // Combat Effect Research
-  researchDamageEffects: { name: "Damage Effect Research", desc: "Unlock Minor/Moderate Power, Amplification effects", cat: "effectResearch", max: 1, base: 250, studyTime: 5, req: { enchanting: 1 }, attunementReq: { enchanter: 1 } },
-  researchCombatEffects: { name: "Combat Effect Research", desc: "Unlock Sharp Edge, Swift Casting effects", cat: "effectResearch", max: 1, base: 350, studyTime: 6, req: { researchDamageEffects: 1, enchanting: 3 }, attunementReq: { enchanter: 2 } },
-  
-  // Mana Effect Research - Also unlocks weapon mana effects at Enchanter 3
-  researchManaEffects: { name: "Mana Effect Research", desc: "Unlock Mana Reserve, Trickle, Mana Tap, and weapon mana effects", cat: "effectResearch", max: 1, base: 200, studyTime: 4, req: { enchanting: 1 }, attunementReq: { enchanter: 1 } },
-  researchAdvancedManaEffects: { name: "Advanced Mana Research", desc: "Unlock Mana Reservoir, Stream, River, Mana Surge, and advanced weapon mana effects", cat: "effectResearch", max: 1, base: 400, studyTime: 8, req: { researchManaEffects: 1, enchanting: 3 }, attunementReq: { enchanter: 3 } },
-  
-  // Utility Effect Research
-  researchUtilityEffects: { name: "Utility Effect Research", desc: "Unlock Meditative Focus, Quick Study, Insightful effects", cat: "effectResearch", max: 1, base: 300, studyTime: 6, req: { enchanting: 2 }, attunementReq: { enchanter: 1 } },
-  
-  // Special Effect Research
-  researchSpecialEffects: { name: "Special Effect Research", desc: "Unlock Echo Chamber, Siphoning, Bane effects", cat: "effectResearch", max: 1, base: 500, studyTime: 10, req: { enchanting: 4 }, attunementReq: { enchanter: 3 } },
-  researchOverpower: { name: "Overpower Research", desc: "Unlock Overpower effect", cat: "effectResearch", max: 1, base: 700, studyTime: 12, req: { researchSpecialEffects: 1, enchanting: 5 }, attunementReq: { enchanter: 4 } },
-  
-  // ═══════════════════════════════════════════════════════════════════════════
-  // COMPOUND MANA SPELL RESEARCH - Metal, Sand, Lightning
-  // ═══════════════════════════════════════════════════════════════════════════
-  
-  // Tier 1 - Basic Compound Spells
-  researchMetalSpells: { name: "Metal Spell Research", desc: "Unlock Metal Shard, Iron Fist spell enchantments", cat: "effectResearch", max: 1, base: 400, studyTime: 6, req: { researchFireSpells: 1, researchEarthSpells: 1, enchanting: 3 }, attunementReq: { enchanter: 2 } },
-  researchSandSpells: { name: "Sand Spell Research", desc: "Unlock Sand Blast, Sandstorm spell enchantments", cat: "effectResearch", max: 1, base: 400, studyTime: 6, req: { researchEarthSpells: 1, researchWaterSpells: 1, enchanting: 3 }, attunementReq: { enchanter: 2 } },
-  researchLightningSpells: { name: "Lightning Spell Research", desc: "Unlock Spark, Lightning Bolt spell enchantments", cat: "effectResearch", max: 1, base: 400, studyTime: 6, req: { researchFireSpells: 1, researchAirSpells: 1, enchanting: 3 }, attunementReq: { enchanter: 2 } },
-  
-  // Tier 2 - Advanced Compound Spells
-  researchAdvancedMetal: { name: "Advanced Metal Research", desc: "Unlock Steel Tempest spell enchantment", cat: "effectResearch", max: 1, base: 700, studyTime: 12, req: { researchMetalSpells: 1, enchanting: 5 }, attunementReq: { enchanter: 3 } },
-  researchAdvancedSand: { name: "Advanced Sand Research", desc: "Unlock Desert Wind spell enchantment", cat: "effectResearch", max: 1, base: 700, studyTime: 12, req: { researchSandSpells: 1, enchanting: 5 }, attunementReq: { enchanter: 3 } },
-  researchAdvancedLightning: { name: "Advanced Lightning Research", desc: "Unlock Chain Lightning, Storm Call spell enchantments", cat: "effectResearch", max: 1, base: 700, studyTime: 12, req: { researchLightningSpells: 1, enchanting: 5 }, attunementReq: { enchanter: 3 } },
-  
-  // Tier 3 - Master Compound Spells
-  researchMasterMetal: { name: "Master Metal Research", desc: "Unlock Furnace Blast spell enchantment", cat: "effectResearch", max: 1, base: 1300, studyTime: 26, req: { researchAdvancedMetal: 1, enchanting: 7 }, attunementReq: { enchanter: 5 } },
-  researchMasterSand: { name: "Master Sand Research", desc: "Unlock Dune Collapse spell enchantment", cat: "effectResearch", max: 1, base: 1300, studyTime: 26, req: { researchAdvancedSand: 1, enchanting: 7 }, attunementReq: { enchanter: 5 } },
-  researchMasterLightning: { name: "Master Lightning Research", desc: "Unlock Thunder Strike spell enchantment", cat: "effectResearch", max: 1, base: 1300, studyTime: 26, req: { researchAdvancedLightning: 1, enchanting: 7 }, attunementReq: { enchanter: 5 } },
-  
-  // ═══════════════════════════════════════════════════════════════════════════
-  // UTILITY MANA SPELL RESEARCH - Transference
-  // ═══════════════════════════════════════════════════════════════════════════
-  
-  // Tier 1 - Basic Utility Spells
-  researchTransferenceSpells: { name: "Transference Spell Research", desc: "Unlock Transfer Strike, Mana Rip spell enchantments", cat: "effectResearch", max: 1, base: 350, studyTime: 5, req: { enchanting: 3 }, attunementReq: { enchanter: 1 } },
-  
-  // Tier 2 - Advanced Utility Spells
-  researchAdvancedTransference: { name: "Advanced Transference Research", desc: "Unlock Essence Drain spell enchantment", cat: "effectResearch", max: 1, base: 650, studyTime: 12, req: { researchTransferenceSpells: 1, enchanting: 5 }, attunementReq: { enchanter: 3 } },
-  
-  // Tier 3 - Master Utility Spells
-  researchMasterTransference: { name: "Master Transference Research", desc: "Unlock Soul Transfer spell enchantment", cat: "effectResearch", max: 1, base: 1300, studyTime: 26, req: { researchAdvancedTransference: 1, enchanting: 7 }, attunementReq: { enchanter: 5 } },
-
-  // Research Skills (longer study times: 12-72 hours) - Core skills, any attunement level 3
-  manaTap:       { name: "Mana Tap",        desc: "+1 mana/click",        cat: "research", max: 1, base: 300, studyTime: 12 },
-  manaSurge:     { name: "Mana Surge",      desc: "+3 mana/click",        cat: "research", max: 1, base: 800, studyTime: 36, req: { manaTap: 1 } },
-  manaSpring:    { name: "Mana Spring",     desc: "+2 mana regen",        cat: "research", max: 1, base: 600, studyTime: 24 },
-  deepTrance:    { name: "Deep Trance",     desc: "Extend meditation bonus to 6hrs for 3x", cat: "research", max: 1, base: 900, studyTime: 48, req: { meditation: 1 } },
-  voidMeditation:{ name: "Void Meditation", desc: "Extend meditation bonus to 8hrs for 5x", cat: "research", max: 1, base: 1500, studyTime: 72, req: { deepTrance: 1 } },
-
-  // Ascension Skills (very long study, powerful effects) - Require any attunement level 5+
-  insightHarvest: { name: "Insight Harvest", desc: "+10% insight gain",   cat: "ascension", max: 5, base: 1000, studyTime: 20, attunementReq: { enchanter: 1 } },
-  guardianBane:  { name: "Guardian Bane",   desc: "+20% dmg vs guardians", cat: "ascension", max: 3, base: 1500, studyTime: 30, attunementReq: { invoker: 1 } },
-  
-  // ═══════════════════════════════════════════════════════════════════════════
-  // INVOKER SKILLS - Require Invoker attunement
-  // ═══════════════════════════════════════════════════════════════════════════
-  
-  // Invocation - Invoker attunement skill
-  invocation: {
-    name: "Invocation",
-    desc: "Enhances spell invocation and guardian pacts",
-    cat: "invocation",
-    attunement: 'invoker',
-    max: 10,
-    base: 300,
-    studyTime: 6,
-    attunementReq: { invoker: 1 }
-  },
-  // Pact Mastery - Invoker attunement skill  
-  pactMastery: {
-    name: "Pact Mastery",
-    desc: "Enhances pact signing and guardian bonuses",
-    cat: "pact",
-    attunement: 'invoker',
-    max: 10,
-    base: 350,
-    studyTime: 6,
-    attunementReq: { invoker: 1 }
-  },
-  
-  // ═══════════════════════════════════════════════════════════════════════════
-  // GOLEMANCY SKILLS - Require Fabricator attunement
-  // ═══════════════════════════════════════════════════════════════════════════
-  
-  // Core Golemancy
-  golemMastery:    { name: "Golem Mastery",    desc: "+10% golem damage",       cat: "golemancy", max: 1, base: 300, studyTime: 6, attunementReq: { fabricator: 2 } },
-  golemEfficiency: { name: "Golem Efficiency", desc: "+5% golem attack speed",  cat: "golemancy", max: 1, base: 350, studyTime: 6, attunementReq: { fabricator: 2 } },
-  golemLongevity:  { name: "Golem Longevity",  desc: "+1 floor duration",       cat: "golemancy", max: 1, base: 500, studyTime: 8, attunementReq: { fabricator: 3 } },
-  golemSiphon:     { name: "Golem Siphon",     desc: "-10% golem maintenance",  cat: "golemancy", max: 1, base: 400, studyTime: 8, attunementReq: { fabricator: 3 } },
-  
-  // Advanced Golemancy
-  advancedGolemancy: { name: "Advanced Golemancy", desc: "Unlock hybrid golem recipes", cat: "golemancy", max: 1, base: 800, studyTime: 16, req: { golemMastery: 1 }, attunementReq: { fabricator: 5 } },
-  golemResonance:    { name: "Golem Resonance", desc: "+1 golem slot at Fabricator 10", cat: "golemancy", max: 1, base: 1200, studyTime: 24, req: { golemMastery: 1 }, attunementReq: { fabricator: 8 } },
-  
-  // ═══════════════════════════════════════════════════════════════════════════
-  // HYBRID SKILLS - Require TWO attunements at level 5+
-  // ═══════════════════════════════════════════════════════════════════════════
-  
-  // Pact-Weaving (Invoker + Enchanter)
-  pactWeaving: {
-    name: "Pact-Weaving",
-    desc: "Weave Guardian essence into weapon enchantments OR world-effects",
-    cat: "hybrid",
-    max: 10,
-    base: 750,
-    studyTime: 15,
-    attunementReq: { invoker: 5, enchanter: 5 }
-  },
-  
-  // Guardian Constructs (Fabricator + Invoker)
-  guardianConstructs: {
-    name: "Guardian Constructs",
-    desc: "Build monumental, singular golems. Only 1 active at a time, vastly more durable, costs less maintenance.",
-    cat: "hybrid",
-    max: 10,
-    base: 800,
-    studyTime: 18,
-    attunementReq: { fabricator: 5, invoker: 5 }
-  },
-  
-  // Enchanted Golemancy (Fabricator + Enchanter)
-  enchantedGolemancy: {
-    name: "Enchanted Golemancy",
-    desc: "Imbuing golems with elemental spell logic",
-    cat: "hybrid",
-    max: 10,
-    base: 850,
-    studyTime: 20,
-    attunementReq: { fabricator: 5, enchanter: 5 }
-  },
-};
-
-// ─── Prestige Upgrades ────────────────────────────────────────────────────────
-export const PRESTIGE_DEF: Record<string, PrestigeDef> = {
-  manaWell:     { name: "Mana Well",     desc: "+500 starting max mana",     max: 5,  cost: 500 },
-  manaFlow:     { name: "Mana Flow",     desc: "+0.5 regen/sec permanently", max: 10, cost: 750 },
-  deepMemory:   { name: "Deep Memory",   desc: "+1 memory slot",             max: 5,  cost: 1000 },
-  insightAmp:   { name: "Insight Amp",   desc: "+25% insight gain",          max: 4,  cost: 1500 },
-  spireKey:     { name: "Spire Key",     desc: "Start at floor +2",          max: 5,  cost: 4000 },
-  temporalEcho: { name: "Temporal Echo", desc: "+10% mana generation",       max: 5,  cost: 3000 },
-  steadyHand:   { name: "Steady Hand",   desc: "-15% durability loss",       max: 5,  cost: 1200 },
-  ancientKnowledge: { name: "Ancient Knowledge", desc: "Start with blueprint discovered", max: 5, cost: 2000 },
-  elementalAttune: { name: "Elemental Attunement", desc: "+25 elemental mana cap", max: 10, cost: 600 },
-  spellMemory:  { name: "Spell Memory",  desc: "Start with random spell learned", max: 3, cost: 2500 },
-  guardianPact: { name: "Guardian Pact", desc: "+10% pact multiplier",       max: 5,  cost: 3500 },
-  quickStart:   { name: "Quick Start",   desc: "Start with 100 raw mana",    max: 3,  cost: 400 },
-  elemStart:    { name: "Elem. Start",   desc: "Start with 5 of each unlocked element", max: 3, cost: 800 },
-};
-
-// ─── Skill Categories ─────────────────────────────────────────────────────────
-// Skills are now organized by attunement - each attunement grants access to specific skill categories
-export const SKILL_CATEGORIES = [
-  // Core categories (always available)
-  { id: 'mana', name: 'Mana', icon: '💧', attunement: null },
-  { id: 'study', name: 'Study', icon: '📚', attunement: null },
-  { id: 'research', name: 'Research', icon: '🔮', attunement: null },
-  { id: 'ascension', name: 'Ascension', icon: '⭐', attunement: null },
-  
-  // Enchanter attunement (Right Hand)
-  { id: 'enchant', name: 'Enchanting', icon: '✨', attunement: 'enchanter' },
-  { id: 'effectResearch', name: 'Effect Research', icon: '🔬', attunement: 'enchanter' },
-  
-  // Invoker attunement (Chest)
-  { id: 'invocation', name: 'Invocation', icon: '💜', attunement: 'invoker' },
-  { id: 'pact', name: 'Pact Mastery', icon: '🤝', attunement: 'invoker' },
-  
-  // Fabricator attunement (Left Hand)
-  { id: 'fabrication', name: 'Fabrication', icon: '⚒️', attunement: 'fabricator' },
-  { id: 'golemancy', name: 'Golemancy', icon: '🗿', attunement: 'fabricator' },
-  
-  // Legacy category (for backward compatibility)
-  { id: 'craft', name: 'Crafting', icon: '🔧', attunement: null },
-];
-
-// ─── Rarity Colors ───────────────────────────────────────────────────────────
-export const RARITY_COLORS: Record<string, string> = {
-  common: '#9CA3AF',
-  uncommon: '#22C55E',
-  rare: '#3B82F6',
-  epic: '#A855F7',
-  legendary: '#F97316',
-  mythic: '#EF4444',
-};
-
-// ─── Effect Research Mapping ───────────────────────────────────────────────────
-// Maps research skill IDs to the effect IDs they unlock
-export const EFFECT_RESEARCH_MAPPING: Record<string, string[]> = {
-  // Tier 1 - Basic Spell Effects
-  researchManaSpells: ['spell_manaStrike'],
-  researchFireSpells: ['spell_emberShot', 'spell_fireball'],
-  researchWaterSpells: ['spell_waterJet', 'spell_iceShard'],
-  researchAirSpells: ['spell_gust', 'spell_windSlash'],
-  researchEarthSpells: ['spell_stoneBullet', 'spell_rockSpike'],
-  researchLightSpells: ['spell_lightLance', 'spell_radiance'],
-  researchDarkSpells: ['spell_shadowBolt', 'spell_darkPulse'],
-  researchLifeDeathSpells: ['spell_drain'],
-  
-  // Tier 2 - Advanced Spell Effects
-  researchAdvancedFire: ['spell_inferno', 'spell_flameWave'],
-  researchAdvancedWater: ['spell_tidalWave', 'spell_iceStorm'],
-  researchAdvancedAir: ['spell_hurricane', 'spell_windBlade'],
-  researchAdvancedEarth: ['spell_earthquake', 'spell_stoneBarrage'],
-  researchAdvancedLight: ['spell_solarFlare', 'spell_divineSmite'],
-  researchAdvancedDark: ['spell_voidRift', 'spell_shadowStorm'],
-  
-  // Tier 3 - Master Spell Effects
-  researchMasterFire: ['spell_pyroclasm'],
-  researchMasterWater: ['spell_tsunami'],
-  researchMasterEarth: ['spell_meteorStrike'],
-  
-  // Combat Effect Research
-  researchDamageEffects: ['damage_5', 'damage_10', 'damage_pct_10'],
-  researchCombatEffects: ['crit_5', 'attack_speed_10'],
-  
-  // Mana Effect Research
-  researchManaEffects: ['mana_cap_50', 'mana_regen_1', 'click_mana_1'],
-  researchAdvancedManaEffects: ['mana_cap_100', 'mana_regen_2', 'mana_regen_5', 'click_mana_3'],
-  
-  // Utility Effect Research
-  researchUtilityEffects: ['meditate_10', 'study_10', 'insight_5'],
-  
-  // Special Effect Research
-  researchSpecialEffects: ['spell_echo_10', 'guardian_dmg_10'],
-  researchOverpower: ['overpower_80'],
-  
-  // ═══════════════════════════════════════════════════════════════════════════
-  // COMPOUND MANA SPELL RESEARCH - Metal, Sand, Lightning
-  // ═══════════════════════════════════════════════════════════════════════════
-  
-  // Tier 1 - Basic Compound Spells
-  researchMetalSpells: ['spell_metalShard', 'spell_ironFist'],
-  researchSandSpells: ['spell_sandBlast', 'spell_sandstorm'],
-  researchLightningSpells: ['spell_spark', 'spell_lightningBolt'],
-  
-  // Tier 2 - Advanced Compound Spells
-  researchAdvancedMetal: ['spell_steelTempest'],
-  researchAdvancedSand: ['spell_desertWind'],
-  researchAdvancedLightning: ['spell_chainLightning', 'spell_stormCall'],
-  
-  // Tier 3 - Master Compound Spells
-  researchMasterMetal: ['spell_furnaceBlast'],
-  researchMasterSand: ['spell_duneCollapse'],
-  researchMasterLightning: ['spell_thunderStrike'],
-  
-  // ═══════════════════════════════════════════════════════════════════════════
-  // UTILITY MANA SPELL RESEARCH - Transference
-  // ═══════════════════════════════════════════════════════════════════════════
-  
-  // Tier 1 - Basic Utility Spells
-  researchTransferenceSpells: ['spell_transferStrike', 'spell_manaRip'],
-  
-  // Tier 2 - Advanced Utility Spells
-  researchAdvancedTransference: ['spell_essenceDrain'],
-  
-  // Tier 3 - Master Utility Spells
-  researchMasterTransference: ['spell_soulTransfer'],
-};
-
-// Base effects unlocked when player gets enchanting skill level 1
-export const BASE_UNLOCKED_EFFECTS: string[] = [];  // No effects at game start
-
-// Effects that unlock when getting enchanting skill level 1
-export const ENCHANTING_UNLOCK_EFFECTS = ['spell_manaBolt'];
-
-// ─── Base Unlocked Elements ───────────────────────────────────────────────────
-export const BASE_UNLOCKED_ELEMENTS = ['fire', 'water', 'air', 'earth'];
-
-// ─── Study Speed Formula ─────────────────────────────────────────────────────
-export function getStudySpeedMultiplier(skills: Record<string, number>): number {
-  return 1 + (skills.quickLearner || 0) * 0.1;
-}
-
-// ─── Study Cost Formula ───────────────────────────────────────────────────────
-export function getStudyCostMultiplier(skills: Record<string, number>): number {
-  return 1 - (skills.focusedMind || 0) * 0.05;
-}
-
-// ─── Element Opposites for Damage Calculation ────────────────────────────────
-export const ELEMENT_OPPOSITES: Record<string, string> = {
-  fire: 'water', water: 'fire',
-  air: 'earth', earth: 'air',
-  light: 'dark', dark: 'light',
-  lightning: 'earth', // Lightning is weak to earth (grounding)
-};
-
-// ─── Element Icon Mapping (Lucide Icons) ──────────────────────────────────────
-// Note: These are string identifiers for dynamic icon loading
-// The actual Lucide icons are imported in the components
-export const ELEMENT_ICON_NAMES: Record<string, string> = {
-  fire: 'Flame',
-  water: 'Droplet',
-  air: 'Wind',
-  earth: 'Mountain',
-  light: 'Sun',
-  dark: 'Moon',
-  death: 'Skull',
-  transference: 'Link',
-  metal: 'Target',
-  sand: 'Hourglass',
-  lightning: 'Zap',
-  crystal: 'Gem',
-  stellar: 'Star',
-  void: 'CircleDot',
-  raw: 'Circle',
-};
+export * from './constants/index';
diff --git a/src/lib/game/constants/core.ts b/src/lib/game/constants/core.ts
new file mode 100644
index 0000000..1ee7666
--- /dev/null
+++ b/src/lib/game/constants/core.ts
@@ -0,0 +1,27 @@
+// ─── Game Constants ───────────────────────────────────────────────────────────
+
+// Time constants
+export const TICK_MS = 200;
+export const HOURS_PER_TICK = 0.04; // 200ms / 5000ms per in-game hour
+export const MAX_DAY = 30;
+export const INCURSION_START_DAY = 20;
+
+// ─── Rarity Colors ─────────────────────────────────────────────────────────
+export const RARITY_COLORS: Record<string, string> = {
+  common: '#9CA3AF',
+  uncommon: '#22C55E',
+  rare: '#3B82F6',
+  epic: '#A855F7',
+  legendary: '#F97316',
+  mythic: '#EF4444',
+};
+
+// ─── Study Speed Formula ─────────────────────────────────────────────────────
+export function getStudySpeedMultiplier(skills: Record<string, number>): number {
+  return 1 + (skills.quickLearner || 0) * 0.1;
+}
+
+// ─── Study Cost Formula ───────────────────────────────────────────────────────
+export function getStudyCostMultiplier(skills: Record<string, number>): number {
+  return 1 - (skills.focusedMind || 0) * 0.05;
+}
diff --git a/src/lib/game/constants/elements.ts b/src/lib/game/constants/elements.ts
new file mode 100644
index 0000000..0b867b2
--- /dev/null
+++ b/src/lib/game/constants/elements.ts
@@ -0,0 +1,77 @@
+// ─── Element Definitions ─────────────────────────────────────────────────────
+import type { ElementDef } from '../types';
+
+// Helper function for creating raw mana cost
+export function rawCost(amount: number): { type: 'raw'; amount: number } {
+  return { type: 'raw', amount };
+}
+
+// Helper function for creating elemental mana cost
+export function elemCost(element: string, amount: number): { type: 'element'; element: string; amount: number } {
+  return { type: 'element', element, amount };
+}
+
+// Mana constants
+export const MANA_PER_ELEMENT = 100;
+
+export const ELEMENTS: Record<string, ElementDef> = {
+  // Base Elements
+  fire:   { name: "Fire",   sym: "🔥", color: "#FF6B35", glow: "#FF6B3540", cat: "base" },
+  water:  { name: "Water",  sym: "💧", color: "#4ECDC4", glow: "#4ECDC440", cat: "base" },
+  air:    { name: "Air",    sym: "🌬️", color: "#00D4FF", glow: "#00D4FF40", cat: "base" },
+  earth:  { name: "Earth",  sym: "⛰️", color: "#F4A261", glow: "#F4A26140", cat: "base" },
+  light:  { name: "Light",  sym: "☀️", color: "#FFD700", glow: "#FFD70040", cat: "base" },
+  dark:   { name: "Dark",   sym: "🌑", color: "#9B59B6", glow: "#9B59B640", cat: "base" },
+  death:  { name: "Death",  sym: "💀", color: "#778CA3", glow: "#778CA340", cat: "base" },
+  
+  // Utility Elements
+  transference: { name: "Transference", sym: "🔗", color: "#1ABC9C", glow: "#1ABC9C40", cat: "utility" },
+  
+  // Composite Elements
+  metal:     { name: "Metal",     sym: "⚙️", color: "#BDC3C7", glow: "#BDC3C740", cat: "composite", recipe: ["fire", "earth"] },
+  sand:      { name: "Sand",      sym: "⏳", color: "#D4AC0D", glow: "#D4AC0D40", cat: "composite", recipe: ["earth", "water"] },
+  lightning: { name: "Lightning", sym: "⚡", color: "#FFEB3B", glow: "#FFEB3B40", cat: "composite", recipe: ["fire", "air"] },
+  
+  // Exotic Elements
+  crystal: { name: "Crystal", sym: "💎", color: "#85C1E9", glow: "#85C1E940", cat: "exotic", recipe: ["sand", "sand", "light"] },
+  stellar: { name: "Stellar", sym: "⭐", color: "#F0E68C", glow: "#F0E68C40", cat: "exotic", recipe: ["fire", "fire", "light"] },
+  void:    { name: "Void",   sym: "🕳️", color: "#4A235A", glow: "#4A235A40", cat: "exotic", recipe: ["dark", "dark", "death"] },
+};
+
+// NOTE: Life, Blood, Wood, Mental, and Force mana types have been removed.
+// Lifesteal and healing are BANNED from player abilities - see AGENTS.md
+// Crystal recipe updated to use light instead of mental.
+
+export const FLOOR_ELEM_CYCLE = ["fire", "water", "air", "earth", "light", "dark", "death"];
+
+// ─── Element Opposites for Damage Calculation ────────────────────────────────
+export const ELEMENT_OPPOSITES: Record<string, string> = {
+  fire: 'water', water: 'fire',
+  air: 'earth', earth: 'air',
+  light: 'dark', dark: 'light',
+  lightning: 'earth', // Lightning is weak to earth (grounding)
+};
+
+// ─── Element Icon Mapping (Lucide Icons) ──────────────────────────────────────
+// Note: These are string identifiers for dynamic icon loading
+// The actual Lucide icons are imported in the components
+export const ELEMENT_ICON_NAMES: Record<string, string> = {
+  fire: 'Flame',
+  water: 'Droplet',
+  air: 'Wind',
+  earth: 'Mountain',
+  light: 'Sun',
+  dark: 'Moon',
+  death: 'Skull',
+  transference: 'Link',
+  metal: 'Target',
+  sand: 'Hourglass',
+  lightning: 'Zap',
+  crystal: 'Gem',
+  stellar: 'Star',
+  void: 'CircleDot',
+  raw: 'Circle',
+};
+
+// ─── Base Unlocked Elements ───────────────────────────────────────────────────
+export const BASE_UNLOCKED_ELEMENTS = ['fire', 'water', 'air', 'earth'];
diff --git a/src/lib/game/constants/guardians.ts b/src/lib/game/constants/guardians.ts
new file mode 100644
index 0000000..0a5e710
--- /dev/null
+++ b/src/lib/game/constants/guardians.ts
@@ -0,0 +1,108 @@
+// ─── Guardians ────────────────────────────────────────────────────────────────
+import type { GuardianDef } from '../types';
+
+// All guardians have armor - damage reduction percentage
+export const GUARDIANS: Record<number, GuardianDef> = {
+  10:  { 
+    name: "Ignis Prime", element: "fire", hp: 5000, pact: 1.5, color: "#FF6B35",
+    armor: 0.10, // 10% damage reduction
+    boons: [
+      { type: 'elementalDamage', value: 5, desc: '+5% Fire damage' },
+      { type: 'maxMana', value: 50, desc: '+50 max mana' },
+    ],
+    pactCost: 500,
+    pactTime: 2,
+    uniquePerk: "Fire spells cast 10% faster"
+  },
+  20:  { 
+    name: "Aqua Regia", element: "water", hp: 15000, pact: 1.75, color: "#4ECDC4",
+    armor: 0.15,
+    boons: [
+      { type: 'elementalDamage', value: 5, desc: '+5% Water damage' },
+      { type: 'manaRegen', value: 0.5, desc: '+0.5 mana regen' },
+    ],
+    pactCost: 1000,
+    pactTime: 4,
+    uniquePerk: "Water spells deal +15% damage"
+  },
+  30:  { 
+    name: "Ventus Rex", element: "air", hp: 30000, pact: 2.0, color: "#00D4FF",
+    armor: 0.18,
+    boons: [
+      { type: 'elementalDamage', value: 5, desc: '+5% Air damage' },
+      { type: 'castingSpeed', value: 5, desc: '+5% cast speed' },
+    ],
+    pactCost: 2000,
+    pactTime: 6,
+    uniquePerk: "Air spells have 15% crit chance"
+  },
+  40:  { 
+    name: "Terra Firma", element: "earth", hp: 50000, pact: 2.25, color: "#F4A261",
+    armor: 0.25, // Earth guardian - highest armor
+    boons: [
+      { type: 'elementalDamage', value: 5, desc: '+5% Earth damage' },
+      { type: 'maxMana', value: 100, desc: '+100 max mana' },
+    ],
+    pactCost: 4000,
+    pactTime: 8,
+    uniquePerk: "Earth spells deal +25% damage to guardians"
+  },
+  50:  { 
+    name: "Lux Aeterna", element: "light", hp: 80000, pact: 2.5, color: "#FFD700",
+    armor: 0.20,
+    boons: [
+      { type: 'elementalDamage', value: 10, desc: '+10% Light damage' },
+      { type: 'insightGain', value: 10, desc: '+10% insight gain' },
+    ],
+    pactCost: 8000,
+    pactTime: 10,
+    uniquePerk: "Light spells reveal enemy weaknesses (+20% damage)"
+  },
+  60:  { 
+    name: "Umbra Mortis", element: "dark", hp: 120000, pact: 2.75, color: "#9B59B6",
+    armor: 0.22,
+    boons: [
+      { type: 'elementalDamage', value: 10, desc: '+10% Dark damage' },
+      { type: 'critDamage', value: 15, desc: '+15% crit damage' },
+    ],
+    pactCost: 15000,
+    pactTime: 12,
+    uniquePerk: "Dark spells deal +25% damage to armored enemies"
+  },
+  80:  { 
+    name: "Mors Ultima", element: "death", hp: 250000, pact: 3.25, color: "#778CA3",
+    armor: 0.25,
+    boons: [
+      { type: 'elementalDamage', value: 10, desc: '+10% Death damage' },
+      { type: 'rawDamage', value: 10, desc: '+10% raw damage' },
+    ],
+    pactCost: 40000,
+    pactTime: 16,
+    uniquePerk: "Death spells execute enemies below 20% HP"
+  },
+  90:  { 
+    name: "Primordialis", element: "void", hp: 400000, pact: 4.0, color: "#4A235A",
+    armor: 0.30,
+    boons: [
+      { type: 'elementalDamage', value: 15, desc: '+15% Void damage' },
+      { type: 'maxMana', value: 200, desc: '+200 max mana' },
+      { type: 'manaRegen', value: 1, desc: '+1 mana regen' },
+    ],
+    pactCost: 75000,
+    pactTime: 20,
+    uniquePerk: "Void spells ignore 30% of enemy resistance"
+  },
+  100: { 
+    name: "The Awakened One", element: "stellar", hp: 1000000, pact: 5.0, color: "#F0E68C",
+    armor: 0.35, // Final boss has highest armor
+    boons: [
+      { type: 'elementalDamage', value: 20, desc: '+20% Stellar damage' },
+      { type: 'maxMana', value: 500, desc: '+500 max mana' },
+      { type: 'manaRegen', value: 2, desc: '+2 mana regen' },
+      { type: 'insightGain', value: 25, desc: '+25% insight gain' },
+    ],
+    pactCost: 150000,
+    pactTime: 24,
+    uniquePerk: "All spells deal +50% damage and cast 25% faster"
+  },
+};
diff --git a/src/lib/game/constants/index.ts b/src/lib/game/constants/index.ts
new file mode 100644
index 0000000..e43fa66
--- /dev/null
+++ b/src/lib/game/constants/index.ts
@@ -0,0 +1,28 @@
+// ─── Constants Index ────────────────────────────────────────────────────────
+// Re-exports all constants for backward compatibility
+
+// Core game constants
+export { TICK_MS, HOURS_PER_TICK, MAX_DAY, INCURSION_START_DAY } from './core';
+export { RARITY_COLORS } from './core';
+export { getStudySpeedMultiplier, getStudyCostMultiplier } from './core';
+
+// Element-related constants
+export { MANA_PER_ELEMENT, rawCost, elemCost, ELEMENTS, FLOOR_ELEM_CYCLE } from './elements';
+export { ELEMENT_OPPOSITES, ELEMENT_ICON_NAMES, BASE_UNLOCKED_ELEMENTS } from './elements';
+
+// Guardian constants
+export { GUARDIANS } from './guardians';
+
+// Spell constants
+export { SPELLS_DEF } from './spells';
+
+// Skill constants
+export { SKILLS_DEF, SKILL_CATEGORIES, EFFECT_RESEARCH_MAPPING, BASE_UNLOCKED_EFFECTS, ENCHANTING_UNLOCK_EFFECTS } from './skills';
+
+// Prestige constants
+export { PRESTIGE_DEF } from './prestige';
+
+// Room constants
+export type { RoomType } from './rooms';
+export { PUZZLE_ROOM_INTERVAL, SWARM_ROOM_CHANCE, SPEED_ROOM_CHANCE, PUZZLE_ROOM_CHANCE } from './rooms';
+export { PUZZLE_ROOMS, SWARM_CONFIG, SPEED_ROOM_CONFIG, FLOOR_ARMOR_CONFIG } from './rooms';
diff --git a/src/lib/game/constants/prestige.ts b/src/lib/game/constants/prestige.ts
new file mode 100644
index 0000000..796dd6d
--- /dev/null
+++ b/src/lib/game/constants/prestige.ts
@@ -0,0 +1,18 @@
+// ─── Prestige Upgrades ────────────────────────────────────────────────────────
+import type { PrestigeDef } from '../types';
+
+export const PRESTIGE_DEF: Record<string, PrestigeDef> = {
+  manaWell:     { name: "Mana Well",     desc: "+500 starting max mana",     max: 5,  cost: 500 },
+  manaFlow:     { name: "Mana Flow",     desc: "+0.5 regen/sec permanently", max: 10, cost: 750 },
+  deepMemory:   { name: "Deep Memory",   desc: "+1 memory slot",             max: 5,  cost: 1000 },
+  insightAmp:   { name: "Insight Amp",   desc: "+25% insight gain",          max: 4,  cost: 1500 },
+  spireKey:     { name: "Spire Key",     desc: "Start at floor +2",          max: 5,  cost: 4000 },
+  temporalEcho: { name: "Temporal Echo", desc: "+10% mana generation",       max: 5,  cost: 3000 },
+  steadyHand:   { name: "Steady Hand",   desc: "-15% durability loss",       max: 5,  cost: 1200 },
+  ancientKnowledge: { name: "Ancient Knowledge", desc: "Start with blueprint discovered", max: 5, cost: 2000 },
+  elementalAttune: { name: "Elemental Attunement", desc: "+25 elemental mana cap", max: 10, cost: 600 },
+  spellMemory:  { name: "Spell Memory",  desc: "Start with random spell learned", max: 3, cost: 2500 },
+  guardianPact: { name: "Guardian Pact", desc: "+10% pact multiplier",       max: 5,  cost: 3500 },
+  quickStart:   { name: "Quick Start",   desc: "Start with 100 raw mana",    max: 3,  cost: 400 },
+  elemStart:    { name: "Elem. Start",   desc: "Start with 5 of each unlocked element", max: 3, cost: 800 },
+};
diff --git a/src/lib/game/constants/rooms.ts b/src/lib/game/constants/rooms.ts
new file mode 100644
index 0000000..a7265b0
--- /dev/null
+++ b/src/lib/game/constants/rooms.ts
@@ -0,0 +1,90 @@
+// ─── Room Types ────────────────────────────────────────────────────────────────
+// Room types for spire floors
+export type RoomType = 'combat' | 'puzzle' | 'swarm' | 'speed' | 'guardian';
+
+// Room generation rules:
+// - Guardian floors (10, 20, 30, etc.) are ALWAYS guardian type
+// - Every 5th floor (5, 15, 25, etc.) has a chance for special rooms
+// - Other floors are combat with chance for swarm/speed
+export const PUZZLE_ROOM_INTERVAL = 7; // Every 7 floors, chance for puzzle
+export const SWARM_ROOM_CHANCE = 0.15; // 15% chance for swarm room
+export const SPEED_ROOM_CHANCE = 0.10; // 10% chance for speed room
+export const PUZZLE_ROOM_CHANCE = 0.20; // 20% chance for puzzle room on puzzle floors
+
+// Puzzle room definitions - themed around attunements
+export const PUZZLE_ROOMS: Record<string, {
+  name: string;
+  attunements: string[];
+  baseProgressPerTick: number;
+  attunementBonus: number;
+  description: string;
+}> = {
+  enchanter_trial: {
+    name: "Enchanter's Trial",
+    attunements: ['enchanter'],
+    baseProgressPerTick: 0.02,
+    attunementBonus: 0.03,
+    description: "Decipher ancient enchantment runes."
+  },
+  fabricator_trial: {
+    name: "Fabricator's Trial",
+    attunements: ['fabricator'],
+    baseProgressPerTick: 0.02,
+    attunementBonus: 0.03,
+    description: "Construct a mana-powered mechanism."
+  },
+  invoker_trial: {
+    name: "Invoker's Trial",
+    attunements: ['invoker'],
+    baseProgressPerTick: 0.02,
+    attunementBonus: 0.03,
+    description: "Commune with guardian spirits."
+  },
+  hybrid_enchanter_fabricator: {
+    name: "Fusion Workshop",
+    attunements: ['enchanter', 'fabricator'],
+    baseProgressPerTick: 0.015,
+    attunementBonus: 0.025,
+    description: "Enchant and construct in harmony."
+  },
+  hybrid_enchanter_invoker: {
+    name: "Ritual Circle",
+    attunements: ['enchanter', 'invoker'],
+    baseProgressPerTick: 0.015,
+    attunementBonus: 0.025,
+    description: "Bind pact energies into enchantments."
+  },
+  hybrid_fabricator_invoker: {
+    name: "Golem Forge",
+    attunements: ['fabricator', 'invoker'],
+    baseProgressPerTick: 0.015,
+    attunementBonus: 0.025,
+    description: "Channel guardian power into constructs."
+  },
+};
+
+// Swarm room configuration
+export const SWARM_CONFIG = {
+  minEnemies: 3,
+  maxEnemies: 6,
+  hpMultiplier: 0.4,  // Each enemy has 40% of normal floor HP
+  armorBase: 0,       // Swarm enemies start with no armor
+  armorPerFloor: 0.01, // Gain 1% armor per 10 floors
+};
+
+// Speed room configuration (dodging enemies)
+export const SPEED_ROOM_CONFIG = {
+  baseDodgeChance: 0.25,  // 25% base dodge chance
+  dodgePerFloor: 0.005,   // +0.5% dodge per floor
+  maxDodge: 0.50,         // Max 50% dodge
+  speedBonus: 0.5,        // 50% less time to complete if dodged
+};
+
+// Armor scaling for normal floors
+export const FLOOR_ARMOR_CONFIG = {
+  baseChance: 0,          // No armor on floor 1-9
+  chancePerFloor: 0.01,   // +1% chance per floor after 10
+  maxArmorChance: 0.5,    // Max 50% of floors have armor
+  minArmor: 0.05,         // Min 5% armor
+  maxArmor: 0.25,         // Max 25% armor on non-guardians
+};
diff --git a/src/lib/game/constants/skills.ts b/src/lib/game/constants/skills.ts
new file mode 100644
index 0000000..ed96578
--- /dev/null
+++ b/src/lib/game/constants/skills.ts
@@ -0,0 +1,293 @@
+// ─── Skills ───────────────────────────────────────────────────────────────────
+import type { SkillDef } from '../types';
+
+export const SKILLS_DEF: Record<string, SkillDef> = {
+  // Mana Skills (4-8 hours study) - Core, no attunement required
+  manaWell:      { name: "Mana Well",      desc: "+100 max mana",         cat: "mana",   max: 10, base: 100, studyTime: 4 },
+  manaFlow:      { name: "Mana Flow",      desc: "+1 regen/hr",           cat: "mana",   max: 10, base: 150, studyTime: 5 },
+  elemAttune:    { name: "Elem. Attunement", desc: "+50 elem mana cap",   cat: "mana",   max: 10, base: 200, studyTime: 4 },
+  manaOverflow:  { name: "Mana Overflow",  desc: "+25% mana from clicks", cat: "mana",   max: 5,  base: 400, req: { manaWell: 3 }, studyTime: 6 },
+
+  // Study Skills (3-6 hours study) - Core, no attunement required
+  quickLearner:  { name: "Quick Learner",   desc: "+10% study speed",     cat: "study",  max: 10, base: 250, studyTime: 4 },
+  focusedMind:   { name: "Focused Mind",    desc: "-5% study mana cost",  cat: "study",  max: 10, base: 300, studyTime: 5 },
+  meditation:    { name: "Meditation Focus", desc: "Up to 2.5x regen after 4hrs meditating", cat: "study", max: 1, base: 400, studyTime: 6 },
+  knowledgeRetention: { name: "Knowledge Retention", desc: "+20% study progress saved on cancel", cat: "study", max: 3, base: 350, studyTime: 5 },
+
+  // Enchanting Skills (4-8 hours study) - Requires Enchanter attunement levels
+  enchanting:       { name: "Enchanting",       desc: "Unlocks enchantment design", cat: "enchant", max: 10, base: 200, studyTime: 5, attunement: 'enchanter', attunementReq: { enchanter: 1 } },
+  efficientEnchant:{ name: "Efficient Enchant", desc: "-5% enchantment capacity cost", cat: "enchant", max: 5, base: 350, studyTime: 6, req: { enchanting: 3 }, attunementReq: { enchanter: 2 } },
+  disenchanting:    { name: "Disenchanting",    desc: "Recover 20% mana from removed enchantments", cat: "enchant", max: 3, base: 400, studyTime: 6, req: { enchanting: 2 }, attunementReq: { enchanter: 1 } },
+  enchantSpeed:     { name: "Enchant Speed",    desc: "-10% enchantment time", cat: "enchant", max: 5, base: 300, studyTime: 4, req: { enchanting: 2 }, attunementReq: { enchanter: 1 } },
+  essenceRefining:  { name: "Essence Refining", desc: "+10% enchantment effect power", cat: "enchant", max: 1, base: 450, studyTime: 7, req: { enchanting: 4 }, attunementReq: { enchanter: 2 } },
+
+  // Crafting Skills (4-6 hours study) - Some require Fabricator
+  effCrafting:   { name: "Eff. Crafting",   desc: "-10% craft time",      cat: "craft",  max: 1,  base: 300, studyTime: 4 },
+  fieldRepair:   { name: "Field Repair",    desc: "+15% repair efficiency", cat: "craft", max: 1, base: 350, studyTime: 4 },
+  elemCrafting:  { name: "Elem. Crafting",  desc: "+25% craft output",    cat: "craft",  max: 1, base: 500, req: { effCrafting: 1 }, studyTime: 8, attunementReq: { enchanter: 1 } },
+
+  // Effect Research Skills (unlock enchantment effects for designing) - Requires Enchanter
+  // Tier 1 - Basic Spell Effects
+  researchManaSpells: { name: "Mana Spell Research", desc: "Unlock Mana Strike spell enchantment", cat: "effectResearch", max: 1, base: 200, studyTime: 4, req: { enchanting: 1 }, attunementReq: { enchanter: 1 } },
+  researchFireSpells: { name: "Fire Spell Research", desc: "Unlock Ember Shot, Fireball spell enchantments", cat: "effectResearch", max: 1, base: 300, studyTime: 6, req: { enchanting: 2 }, attunementReq: { enchanter: 1 } },
+  researchWaterSpells: { name: "Water Spell Research", desc: "Unlock Water Jet, Ice Shard spell enchantments", cat: "effectResearch", max: 1, base: 300, studyTime: 6, req: { enchanting: 2 }, attunementReq: { enchanter: 1 } },
+  researchAirSpells: { name: "Air Spell Research", desc: "Unlock Gust, Wind Slash spell enchantments", cat: "effectResearch", max: 1, base: 300, studyTime: 6, req: { enchanting: 2 }, attunementReq: { enchanter: 1 } },
+  researchEarthSpells: { name: "Earth Spell Research", desc: "Unlock Stone Bullet, Rock Spike spell enchantments", cat: "effectResearch", max: 1, base: 350, studyTime: 6, req: { enchanting: 2 }, attunementReq: { enchanter: 1 } },
+  researchLightSpells: { name: "Light Spell Research", desc: "Unlock Light Lance, Radiance spell enchantments", cat: "effectResearch", max: 1, base: 400, studyTime: 8, req: { enchanting: 3 }, attunementReq: { enchanter: 2 } },
+  researchDarkSpells: { name: "Dark Spell Research", desc: "Unlock Shadow Bolt, Dark Pulse spell enchantments", cat: "effectResearch", max: 1, base: 400, studyTime: 8, req: { enchanting: 3 }, attunementReq: { enchanter: 2 } },
+  researchLifeDeathSpells: { name: "Death Research", desc: "Unlock Drain spell enchantment", cat: "effectResearch", max: 1, base: 400, studyTime: 8, req: { enchanting: 3 }, attunementReq: { enchanter: 2 } },
+  
+  // Tier 2 - Advanced Spell Effects - Require Enchanter 3
+  researchAdvancedFire: { name: "Advanced Fire Research", desc: "Unlock Inferno, Flame Wave spell enchantments", cat: "effectResearch", max: 1, base: 600, studyTime: 12, req: { researchFireSpells: 1, enchanting: 4 }, attunementReq: { enchanter: 3 } },
+  researchAdvancedWater: { name: "Advanced Water Research", desc: "Unlock Tidal Wave, Ice Storm spell enchantments", cat: "effectResearch", max: 1, base: 600, studyTime: 12, req: { researchWaterSpells: 1, enchanting: 4 }, attunementReq: { enchanter: 3 } },
+  researchAdvancedAir: { name: "Advanced Air Research", desc: "Unlock Hurricane, Wind Blade spell enchantments", cat: "effectResearch", max: 1, base: 600, studyTime: 12, req: { researchAirSpells: 1, enchanting: 4 }, attunementReq: { enchanter: 3 } },
+  researchAdvancedEarth: { name: "Advanced Earth Research", desc: "Unlock Earthquake, Stone Barrage spell enchantments", cat: "effectResearch", max: 1, base: 600, studyTime: 12, req: { researchEarthSpells: 1, enchanting: 4 }, attunementReq: { enchanter: 3 } },
+  researchAdvancedLight: { name: "Advanced Light Research", desc: "Unlock Solar Flare, Divine Smite spell enchantments", cat: "effectResearch", max: 1, base: 700, studyTime: 14, req: { researchLightSpells: 1, enchanting: 5 }, attunementReq: { enchanter: 4 } },
+  researchAdvancedDark: { name: "Advanced Dark Research", desc: "Unlock Void Rift, Shadow Storm spell enchantments", cat: "effectResearch", max: 1, base: 700, studyTime: 14, req: { researchDarkSpells: 1, enchanting: 5 }, attunementReq: { enchanter: 4 } },
+  
+  // Tier 3 - Master Spell Effects - Require Enchanter 5
+  researchMasterFire: { name: "Master Fire Research", desc: "Unlock Pyroclasm spell enchantment", cat: "effectResearch", max: 1, base: 1200, studyTime: 24, req: { researchAdvancedFire: 1, enchanting: 7 }, attunementReq: { enchanter: 5 } },
+  researchMasterWater: { name: "Master Water Research", desc: "Unlock Tsunami spell enchantment", cat: "effectResearch", max: 1, base: 1200, studyTime: 24, req: { researchAdvancedWater: 1, enchanting: 7 }, attunementReq: { enchanter: 5 } },
+  researchMasterEarth: { name: "Master Earth Research", desc: "Unlock Meteor Strike spell enchantment", cat: "effectResearch", max: 1, base: 1300, studyTime: 26, req: { researchAdvancedEarth: 1, enchanting: 8 }, attunementReq: { enchanter: 5 } },
+  
+  // Combat Effect Research
+  researchDamageEffects: { name: "Damage Effect Research", desc: "Unlock Minor/Moderate Power, Amplification effects", cat: "effectResearch", max: 1, base: 250, studyTime: 5, req: { enchanting: 1 }, attunementReq: { enchanter: 1 } },
+  researchCombatEffects: { name: "Combat Effect Research", desc: "Unlock Sharp Edge, Swift Casting effects", cat: "effectResearch", max: 1, base: 350, studyTime: 6, req: { researchDamageEffects: 1, enchanting: 3 }, attunementReq: { enchanter: 2 } },
+  
+  // Mana Effect Research - Also unlocks weapon mana effects at Enchanter 3
+  researchManaEffects: { name: "Mana Effect Research", desc: "Unlock Mana Reserve, Trickle, Mana Tap, and weapon mana effects", cat: "effectResearch", max: 1, base: 200, studyTime: 4, req: { enchanting: 1 }, attunementReq: { enchanter: 1 } },
+  researchAdvancedManaEffects: { name: "Advanced Mana Research", desc: "Unlock Mana Reservoir, Stream, River, Mana Surge, and advanced weapon mana effects", cat: "effectResearch", max: 1, base: 400, studyTime: 8, req: { researchManaEffects: 1, enchanting: 3 }, attunementReq: { enchanter: 3 } },
+  
+  // Utility Effect Research
+  researchUtilityEffects: { name: "Utility Effect Research", desc: "Unlock Meditative Focus, Quick Study, Insightful effects", cat: "effectResearch", max: 1, base: 300, studyTime: 6, req: { enchanting: 2 }, attunementReq: { enchanter: 1 } },
+  
+  // Special Effect Research
+  researchSpecialEffects: { name: "Special Effect Research", desc: "Unlock Echo Chamber, Siphoning, Bane effects", cat: "effectResearch", max: 1, base: 500, studyTime: 10, req: { enchanting: 4 }, attunementReq: { enchanter: 3 } },
+  researchOverpower: { name: "Overpower Research", desc: "Unlock Overpower effect", cat: "effectResearch", max: 1, base: 700, studyTime: 12, req: { researchSpecialEffects: 1, enchanting: 5 }, attunementReq: { enchanter: 4 } },
+  
+  // ═══════════════════════════════════════════════════════════════════════════
+  // COMPOUND MANA SPELL RESEARCH - Metal, Sand, Lightning
+  // ═══════════════════════════════════════════════════════════════════════════
+  
+  // Tier 1 - Basic Compound Spells
+  researchMetalSpells: { name: "Metal Spell Research", desc: "Unlock Metal Shard, Iron Fist spell enchantments", cat: "effectResearch", max: 1, base: 400, studyTime: 6, req: { researchFireSpells: 1, researchEarthSpells: 1, enchanting: 3 }, attunementReq: { enchanter: 2 } },
+  researchSandSpells: { name: "Sand Spell Research", desc: "Unlock Sand Blast, Sandstorm spell enchantments", cat: "effectResearch", max: 1, base: 400, studyTime: 6, req: { researchEarthSpells: 1, researchWaterSpells: 1, enchanting: 3 }, attunementReq: { enchanter: 2 } },
+  researchLightningSpells: { name: "Lightning Spell Research", desc: "Unlock Spark, Lightning Bolt spell enchantments", cat: "effectResearch", max: 1, base: 400, studyTime: 6, req: { researchFireSpells: 1, researchAirSpells: 1, enchanting: 3 }, attunementReq: { enchanter: 2 } },
+  
+  // Tier 2 - Advanced Compound Spells
+  researchAdvancedMetal: { name: "Advanced Metal Research", desc: "Unlock Steel Tempest spell enchantment", cat: "effectResearch", max: 1, base: 700, studyTime: 12, req: { researchMetalSpells: 1, enchanting: 5 }, attunementReq: { enchanter: 3 } },
+  researchAdvancedSand: { name: "Advanced Sand Research", desc: "Unlock Desert Wind spell enchantment", cat: "effectResearch", max: 1, base: 700, studyTime: 12, req: { researchSandSpells: 1, enchanting: 5 }, attunementReq: { enchanter: 3 } },
+  researchAdvancedLightning: { name: "Advanced Lightning Research", desc: "Unlock Chain Lightning, Storm Call spell enchantments", cat: "effectResearch", max: 1, base: 700, studyTime: 12, req: { researchLightningSpells: 1, enchanting: 5 }, attunementReq: { enchanter: 3 } },
+  
+  // Tier 3 - Master Compound Spells
+  researchMasterMetal: { name: "Master Metal Research", desc: "Unlock Furnace Blast spell enchantment", cat: "effectResearch", max: 1, base: 1300, studyTime: 26, req: { researchAdvancedMetal: 1, enchanting: 7 }, attunementReq: { enchanter: 5 } },
+  researchMasterSand: { name: "Master Sand Research", desc: "Unlock Dune Collapse spell enchantment", cat: "effectResearch", max: 1, base: 1300, studyTime: 26, req: { researchAdvancedSand: 1, enchanting: 7 }, attunementReq: { enchanter: 5 } },
+  researchMasterLightning: { name: "Master Lightning Research", desc: "Unlock Thunder Strike spell enchantment", cat: "effectResearch", max: 1, base: 1300, studyTime: 26, req: { researchAdvancedLightning: 1, enchanting: 7 }, attunementReq: { enchanter: 5 } },
+  
+  // ═══════════════════════════════════════════════════════════════════════════
+  // UTILITY MANA SPELL RESEARCH - Transference
+  // ═══════════════════════════════════════════════════════════════════════════
+  
+  // Tier 1 - Basic Utility Spells
+  researchTransferenceSpells: { name: "Transference Spell Research", desc: "Unlock Transfer Strike, Mana Rip spell enchantments", cat: "effectResearch", max: 1, base: 350, studyTime: 5, req: { enchanting: 3 }, attunementReq: { enchanter: 1 } },
+  
+  // Tier 2 - Advanced Utility Spells
+  researchAdvancedTransference: { name: "Advanced Transference Research", desc: "Unlock Essence Drain spell enchantment", cat: "effectResearch", max: 1, base: 650, studyTime: 12, req: { researchTransferenceSpells: 1, enchanting: 5 }, attunementReq: { enchanter: 3 } },
+  
+  // Tier 3 - Master Utility Spells
+  researchMasterTransference: { name: "Master Transference Research", desc: "Unlock Soul Transfer spell enchantment", cat: "effectResearch", max: 1, base: 1300, studyTime: 26, req: { researchAdvancedTransference: 1, enchanting: 7 }, attunementReq: { enchanter: 5 } },
+
+  // Research Skills (longer study times: 12-72 hours) - Core skills, any attunement level 3
+  manaTap:       { name: "Mana Tap",        desc: "+1 mana/click",        cat: "research", max: 1, base: 300, studyTime: 12 },
+  manaSurge:     { name: "Mana Surge",      desc: "+3 mana/click",        cat: "research", max: 1, base: 800, studyTime: 36, req: { manaTap: 1 } },
+  manaSpring:    { name: "Mana Spring",     desc: "+2 mana regen",        cat: "research", max: 1, base: 600, studyTime: 24 },
+  deepTrance:    { name: "Deep Trance",     desc: "Extend meditation bonus to 6hrs for 3x", cat: "research", max: 1, base: 900, studyTime: 48, req: { meditation: 1 } },
+  voidMeditation:{ name: "Void Meditation", desc: "Extend meditation bonus to 8hrs for 5x", cat: "research", max: 1, base: 1500, studyTime: 72, req: { deepTrance: 1 } },
+
+  // Ascension Skills (very long study, powerful effects) - Require any attunement level 5+
+  insightHarvest: { name: "Insight Harvest", desc: "+10% insight gain",   cat: "ascension", max: 5, base: 1000, studyTime: 20, attunementReq: { enchanter: 1 } },
+  guardianBane:  { name: "Guardian Bane",   desc: "+20% dmg vs guardians", cat: "ascension", max: 3, base: 1500, studyTime: 30, attunementReq: { invoker: 1 } },
+  
+  // ═══════════════════════════════════════════════════════════════════════════
+  // INVOKER SKILLS - Require Invoker attunement
+  // ═══════════════════════════════════════════════════════════════════════════
+  
+  // Invocation - Invoker attunement skill
+  invocation: {
+    name: "Invocation",
+    desc: "Enhances spell invocation and guardian pacts",
+    cat: "invocation",
+    attunement: 'invoker',
+    max: 10,
+    base: 300,
+    studyTime: 6,
+    attunementReq: { invoker: 1 }
+  },
+  // Pact Mastery - Invoker attunement skill  
+  pactMastery: {
+    name: "Pact Mastery",
+    desc: "Enhances pact signing and guardian bonuses",
+    cat: "pact",
+    attunement: 'invoker',
+    max: 10,
+    base: 350,
+    studyTime: 6,
+    attunementReq: { invoker: 1 }
+  },
+  
+  // ═══════════════════════════════════════════════════════════════════════════
+  // GOLEMANCY SKILLS - Require Fabricator attunement
+  // ═══════════════════════════════════════════════════════════════════════════
+  
+  // Core Golemancy
+  golemMastery:    { name: "Golem Mastery",    desc: "+10% golem damage",       cat: "golemancy", max: 1, base: 300, studyTime: 6, attunementReq: { fabricator: 2 } },
+  golemEfficiency: { name: "Golem Efficiency", desc: "+5% golem attack speed",  cat: "golemancy", max: 1, base: 350, studyTime: 6, attunementReq: { fabricator: 2 } },
+  golemLongevity:  { name: "Golem Longevity",  desc: "+1 floor duration",       cat: "golemancy", max: 1, base: 500, studyTime: 8, attunementReq: { fabricator: 3 } },
+  golemSiphon:     { name: "Golem Siphon",     desc: "-10% golem maintenance",  cat: "golemancy", max: 1, base: 400, studyTime: 8, attunementReq: { fabricator: 3 } },
+  
+  // Advanced Golemancy
+  advancedGolemancy: { name: "Advanced Golemancy", desc: "Unlock hybrid golem recipes", cat: "golemancy", max: 1, base: 800, studyTime: 16, req: { golemMastery: 1 }, attunementReq: { fabricator: 5 } },
+  golemResonance:    { name: "Golem Resonance", desc: "+1 golem slot at Fabricator 10", cat: "golemancy", max: 1, base: 1200, studyTime: 24, req: { golemMastery: 1 }, attunementReq: { fabricator: 8 } },
+  
+  // ═══════════════════════════════════════════════════════════════════════════
+  // HYBRID SKILLS - Require TWO attunements at level 5+
+  // ═══════════════════════════════════════════════════════════════════════════
+  
+  // Pact-Weaving (Invoker + Enchanter)
+  pactWeaving: {
+    name: "Pact-Weaving",
+    desc: "Weave Guardian essence into weapon enchantments OR world-effects",
+    cat: "hybrid",
+    max: 10,
+    base: 750,
+    studyTime: 15,
+    attunementReq: { invoker: 5, enchanter: 5 }
+  },
+  
+  // Guardian Constructs (Fabricator + Invoker)
+  guardianConstructs: {
+    name: "Guardian Constructs",
+    desc: "Build monumental, singular golems. Only 1 active at a time, vastly more durable, costs less maintenance.",
+    cat: "hybrid",
+    max: 10,
+    base: 800,
+    studyTime: 18,
+    attunementReq: { fabricator: 5, invoker: 5 }
+  },
+  
+  // Enchanted Golemancy (Fabricator + Enchanter)
+  enchantedGolemancy: {
+    name: "Enchanted Golemancy",
+    desc: "Imbuing golems with elemental spell logic",
+    cat: "hybrid",
+    max: 10,
+    base: 850,
+    studyTime: 20,
+    attunementReq: { fabricator: 5, enchanter: 5 }
+  },
+};
+
+// ─── Skill Categories ─────────────────────────────────────────────────────────
+// Skills are now organized by attunement - each attunement grants access to specific skill categories
+export const SKILL_CATEGORIES = [
+  // Core categories (always available)
+  { id: 'mana', name: 'Mana', icon: '💧', attunement: null },
+  { id: 'study', name: 'Study', icon: '📚', attunement: null },
+  { id: 'research', name: 'Research', icon: '🔮', attunement: null },
+  { id: 'ascension', name: 'Ascension', icon: '⭐', attunement: null },
+  
+  // Enchanter attunement (Right Hand)
+  { id: 'enchant', name: 'Enchanting', icon: '✨', attunement: 'enchanter' },
+  { id: 'effectResearch', name: 'Effect Research', icon: '🔬', attunement: 'enchanter' },
+  
+  // Invoker attunement (Chest)
+  { id: 'invocation', name: 'Invocation', icon: '💜', attunement: 'invoker' },
+  { id: 'pact', name: 'Pact Mastery', icon: '🤝', attunement: 'invoker' },
+  
+  // Fabricator attunement (Left Hand)
+  { id: 'fabrication', name: 'Fabrication', icon: '⚒️', attunement: 'fabricator' },
+  { id: 'golemancy', name: 'Golemancy', icon: '🗿', attunement: 'fabricator' },
+  
+  // Legacy category (for backward compatibility)
+  { id: 'craft', name: 'Crafting', icon: '🔧', attunement: null },
+];
+
+// ─── Effect Research Mapping ───────────────────────────────────────────────────
+// Maps research skill IDs to the effect IDs they unlock
+export const EFFECT_RESEARCH_MAPPING: Record<string, string[]> = {
+  // Tier 1 - Basic Spell Effects
+  researchManaSpells: ['spell_manaStrike'],
+  researchFireSpells: ['spell_emberShot', 'spell_fireball'],
+  researchWaterSpells: ['spell_waterJet', 'spell_iceShard'],
+  researchAirSpells: ['spell_gust', 'spell_windSlash'],
+  researchEarthSpells: ['spell_stoneBullet', 'spell_rockSpike'],
+  researchLightSpells: ['spell_lightLance', 'spell_radiance'],
+  researchDarkSpells: ['spell_shadowBolt', 'spell_darkPulse'],
+  researchLifeDeathSpells: ['spell_drain'],
+  
+  // Tier 2 - Advanced Spell Effects
+  researchAdvancedFire: ['spell_inferno', 'spell_flameWave'],
+  researchAdvancedWater: ['spell_tidalWave', 'spell_iceStorm'],
+  researchAdvancedAir: ['spell_hurricane', 'spell_windBlade'],
+  researchAdvancedEarth: ['spell_earthquake', 'spell_stoneBarrage'],
+  researchAdvancedLight: ['spell_solarFlare', 'spell_divineSmite'],
+  researchAdvancedDark: ['spell_voidRift', 'spell_shadowStorm'],
+  
+  // Tier 3 - Master Spell Effects
+  researchMasterFire: ['spell_pyroclasm'],
+  researchMasterWater: ['spell_tsunami'],
+  researchMasterEarth: ['spell_meteorStrike'],
+  
+  // Combat Effect Research
+  researchDamageEffects: ['damage_5', 'damage_10', 'damage_pct_10'],
+  researchCombatEffects: ['crit_5', 'attack_speed_10'],
+  
+  // Mana Effect Research
+  researchManaEffects: ['mana_cap_50', 'mana_regen_1', 'click_mana_1'],
+  researchAdvancedManaEffects: ['mana_cap_100', 'mana_regen_2', 'mana_regen_5', 'click_mana_3'],
+  
+  // Utility Effect Research
+  researchUtilityEffects: ['meditate_10', 'study_10', 'insight_5'],
+  
+  // Special Effect Research
+  researchSpecialEffects: ['spell_echo_10', 'guardian_dmg_10'],
+  researchOverpower: ['overpower_80'],
+  
+  // ═══════════════════════════════════════════════════════════════════════════
+  // COMPOUND MANA SPELL RESEARCH - Metal, Sand, Lightning
+  // ═══════════════════════════════════════════════════════════════════════════
+  
+  // Tier 1 - Basic Compound Spells
+  researchMetalSpells: ['spell_metalShard', 'spell_ironFist'],
+  researchSandSpells: ['spell_sandBlast', 'spell_sandstorm'],
+  researchLightningSpells: ['spell_spark', 'spell_lightningBolt'],
+  
+  // Tier 2 - Advanced Compound Spells
+  researchAdvancedMetal: ['spell_steelTempest'],
+  researchAdvancedSand: ['spell_desertWind'],
+  researchAdvancedLightning: ['spell_chainLightning', 'spell_stormCall'],
+  
+  // Tier 3 - Master Compound Spells
+  researchMasterMetal: ['spell_furnaceBlast'],
+  researchMasterSand: ['spell_duneCollapse'],
+  researchMasterLightning: ['spell_thunderStrike'],
+  
+  // ═══════════════════════════════════════════════════════════════════════════
+  // UTILITY MANA SPELL RESEARCH - Transference
+  // ═══════════════════════════════════════════════════════════════════════════
+  
+  // Tier 1 - Basic Utility Spells
+  researchTransferenceSpells: ['spell_transferStrike', 'spell_manaRip'],
+  
+  // Tier 2 - Advanced Utility Spells
+  researchAdvancedTransference: ['spell_essenceDrain'],
+  
+  // Tier 3 - Master Utility Spells
+  researchMasterTransference: ['spell_soulTransfer'],
+};
+
+// Base effects unlocked when player gets enchanting skill level 1
+export const BASE_UNLOCKED_EFFECTS: string[] = [];  // No effects at game start
+
+// Effects that unlock when getting enchanting skill level 1
+export const ENCHANTING_UNLOCK_EFFECTS = ['spell_manaBolt'];
diff --git a/src/lib/game/constants/spells.ts b/src/lib/game/constants/spells.ts
new file mode 100644
index 0000000..b2e1b34
--- /dev/null
+++ b/src/lib/game/constants/spells.ts
@@ -0,0 +1,826 @@
+// ─── Spells ────────────────────────────────────────────────────────────────────
+import type { SpellDef, SpellCost } from '../types';
+import { rawCost, elemCost } from './elements';
+
+export const SPELLS_DEF: Record<string, SpellDef> = {
+  // Tier 0 - Basic Raw Mana Spells (fast, costs raw mana)
+  manaBolt: {
+    name: "Mana Bolt",
+    elem: "raw",
+    dmg: 5,
+    cost: rawCost(3),
+    tier: 0,
+    castSpeed: 3,
+    unlock: 0,
+    studyTime: 0,
+    desc: "A weak bolt of pure mana. Costs raw mana instead of elemental."
+  },
+  manaStrike: {
+    name: "Mana Strike",
+    elem: "raw",
+    dmg: 8,
+    cost: rawCost(5),
+    tier: 0,
+    castSpeed: 2.5,
+    unlock: 50,
+    studyTime: 1,
+    desc: "A concentrated strike of raw mana. Slightly stronger than Mana Bolt."
+  },
+  
+  // Tier 1 - Basic Elemental Spells (2-4 hours study)
+  fireball: {
+    name: "Fireball",
+    elem: "fire",
+    dmg: 15,
+    cost: elemCost("fire", 2),
+    tier: 1,
+    castSpeed: 2,
+    unlock: 100,
+    studyTime: 2,
+    desc: "Hurl a ball of fire at your enemy."
+  },
+  emberShot: {
+    name: "Ember Shot",
+    elem: "fire",
+    dmg: 10,
+    cost: elemCost("fire", 1),
+    tier: 1,
+    castSpeed: 3,
+    unlock: 75,
+    studyTime: 1,
+    desc: "A quick shot of embers. Efficient fire damage."
+  },
+  waterJet: {
+    name: "Water Jet",
+    elem: "water",
+    dmg: 12,
+    cost: elemCost("water", 2),
+    tier: 1,
+    castSpeed: 2,
+    unlock: 100,
+    studyTime: 2,
+    desc: "A high-pressure jet of water."
+  },
+  iceShard: {
+    name: "Ice Shard",
+    elem: "water",
+    dmg: 14,
+    cost: elemCost("water", 2),
+    tier: 1,
+    castSpeed: 2,
+    unlock: 120,
+    studyTime: 2,
+    desc: "Launch a sharp shard of ice."
+  },
+  gust: {
+    name: "Gust",
+    elem: "air",
+    dmg: 10,
+    cost: elemCost("air", 2),
+    tier: 1,
+    castSpeed: 3,
+    unlock: 100,
+    studyTime: 2,
+    desc: "A powerful gust of wind."
+  },
+  windSlash: {
+    name: "Wind Slash",
+    elem: "air",
+    dmg: 12,
+    cost: elemCost("air", 2),
+    tier: 1,
+    castSpeed: 2.5,
+    unlock: 110,
+    studyTime: 2,
+    desc: "A cutting blade of wind."
+  },
+  stoneBullet: {
+    name: "Stone Bullet",
+    elem: "earth",
+    dmg: 16,
+    cost: elemCost("earth", 2),
+    tier: 1,
+    castSpeed: 2,
+    unlock: 150,
+    studyTime: 3,
+    desc: "Launch a bullet of solid stone."
+  },
+  rockSpike: {
+    name: "Rock Spike",
+    elem: "earth",
+    dmg: 18,
+    cost: elemCost("earth", 3),
+    tier: 1,
+    castSpeed: 1.5,
+    unlock: 180,
+    studyTime: 3,
+    desc: "Summon a spike of rock from below."
+  },
+  lightLance: {
+    name: "Light Lance",
+    elem: "light",
+    dmg: 18,
+    cost: elemCost("light", 2),
+    tier: 1,
+    castSpeed: 2,
+    unlock: 200,
+    studyTime: 4,
+    desc: "A piercing lance of pure light."
+  },
+  radiance: {
+    name: "Radiance",
+    elem: "light",
+    dmg: 14,
+    cost: elemCost("light", 2),
+    tier: 1,
+    castSpeed: 2.5,
+    unlock: 180,
+    studyTime: 3,
+    desc: "Burst of radiant energy."
+  },
+  shadowBolt: {
+    name: "Shadow Bolt",
+    elem: "dark",
+    dmg: 16,
+    cost: elemCost("dark", 2),
+    tier: 1,
+    castSpeed: 2,
+    unlock: 200,
+    studyTime: 4,
+    desc: "A bolt of shadowy energy."
+  },
+  darkPulse: {
+    name: "Dark Pulse",
+    elem: "dark",
+    dmg: 12,
+    cost: elemCost("dark", 1),
+    tier: 1,
+    castSpeed: 3,
+    unlock: 150,
+    studyTime: 2,
+    desc: "A quick pulse of darkness."
+  },
+  drain: {
+    name: "Drain",
+    elem: "death",
+    dmg: 10,
+    cost: elemCost("death", 2),
+    tier: 1,
+    castSpeed: 2,
+    unlock: 150,
+    studyTime: 3,
+    desc: "Drain life force from your enemy.",
+  },
+  rotTouch: {
+    name: "Rot Touch",
+    elem: "death",
+    dmg: 14,
+    cost: elemCost("death", 2),
+    tier: 1,
+    castSpeed: 2,
+    unlock: 170,
+    studyTime: 3,
+    desc: "Touch of decay and rot."
+  },
+
+  
+  // Tier 2 - Advanced Spells (8-12 hours study)
+  inferno: {
+    name: "Inferno",
+    elem: "fire",
+    dmg: 60,
+    cost: elemCost("fire", 8),
+    tier: 2,
+    castSpeed: 1,
+    unlock: 1000,
+    studyTime: 8,
+    desc: "Engulf your enemy in flames."
+  },
+  flameWave: {
+    name: "Flame Wave",
+    elem: "fire",
+    dmg: 45,
+    cost: elemCost("fire", 6),
+    tier: 2,
+    castSpeed: 1.5,
+    unlock: 800,
+    studyTime: 6,
+    desc: "A wave of fire sweeps across the battlefield."
+  },
+  tidalWave: {
+    name: "Tidal Wave",
+    elem: "water",
+    dmg: 55,
+    cost: elemCost("water", 8),
+    tier: 2,
+    castSpeed: 1,
+    unlock: 1000,
+    studyTime: 8,
+    desc: "A massive wave crashes down."
+  },
+  iceStorm: {
+    name: "Ice Storm",
+    elem: "water",
+    dmg: 50,
+    cost: elemCost("water", 7),
+    tier: 2,
+    castSpeed: 1.2,
+    unlock: 900,
+    studyTime: 7,
+    desc: "A storm of ice shards."
+  },
+  earthquake: {
+    name: "Earthquake",
+    elem: "earth",
+    dmg: 70,
+    cost: elemCost("earth", 10),
+    tier: 2,
+    castSpeed: 0.8,
+    unlock: 1200,
+    studyTime: 10,
+    desc: "Shake the very foundation."
+  },
+  stoneBarrage: {
+    name: "Stone Barrage",
+    elem: "earth",
+    dmg: 55,
+    cost: elemCost("earth", 7),
+    tier: 2,
+    castSpeed: 1.2,
+    unlock: 1000,
+    studyTime: 8,
+    desc: "Multiple stone projectiles."
+  },
+  hurricane: {
+    name: "Hurricane",
+    elem: "air",
+    dmg: 50,
+    cost: elemCost("air", 8),
+    tier: 2,
+    castSpeed: 1,
+    unlock: 1000,
+    studyTime: 8,
+    desc: "A devastating hurricane."
+  },
+  windBlade: {
+    name: "Wind Blade",
+    elem: "air",
+    dmg: 40,
+    cost: elemCost("air", 5),
+    tier: 2,
+    castSpeed: 1.8,
+    unlock: 700,
+    studyTime: 6,
+    desc: "A blade of cutting wind."
+  },
+  solarFlare: {
+    name: "Solar Flare",
+    elem: "light",
+    dmg: 65,
+    cost: elemCost("light", 9),
+    tier: 2,
+    castSpeed: 0.9,
+    unlock: 1100,
+    studyTime: 9,
+    desc: "A blinding flare of solar energy."
+  },
+  divineSmite: {
+    name: "Divine Smite",
+    elem: "light",
+    dmg: 55,
+    cost: elemCost("light", 7),
+    tier: 2,
+    castSpeed: 1.2,
+    unlock: 900,
+    studyTime: 7,
+    desc: "A smite of divine power."
+  },
+  voidRift: {
+    name: "Void Rift",
+    elem: "dark",
+    dmg: 55,
+    cost: elemCost("dark", 8),
+    tier: 2,
+    castSpeed: 1,
+    unlock: 1000,
+    studyTime: 8,
+    desc: "Open a rift to the void."
+  },
+  shadowStorm: {
+    name: "Shadow Storm",
+    elem: "dark",
+    dmg: 48,
+    cost: elemCost("dark", 6),
+    tier: 2,
+    castSpeed: 1.3,
+    unlock: 800,
+    studyTime: 6,
+    desc: "A storm of shadows."
+  },
+  soulRend: {
+    name: "Soul Rend",
+    elem: "death",
+    dmg: 50,
+    cost: elemCost("death", 7),
+    tier: 2,
+    castSpeed: 1.1,
+    unlock: 1100,
+    studyTime: 9,
+    desc: "Tear at the enemy's soul."
+  },
+  
+  // Tier 3 - Master Spells (20-30 hours study)
+  pyroclasm: {
+    name: "Pyroclasm",
+    elem: "fire",
+    dmg: 250,
+    cost: elemCost("fire", 25),
+    tier: 3,
+    castSpeed: 0.6,
+    unlock: 10000,
+    studyTime: 24,
+    desc: "An eruption of volcanic fury."
+  },
+  tsunami: {
+    name: "Tsunami",
+    elem: "water",
+    dmg: 220,
+    cost: elemCost("water", 22),
+    tier: 3,
+    castSpeed: 0.65,
+    unlock: 10000,
+    studyTime: 24,
+    desc: "A towering wall of water."
+  },
+  meteorStrike: {
+    name: "Meteor Strike",
+    elem: "earth",
+    dmg: 280,
+    cost: elemCost("earth", 28),
+    tier: 3,
+    castSpeed: 0.5,
+    unlock: 12000,
+    studyTime: 28,
+    desc: "Call down a meteor from the heavens."
+  },
+  cosmicStorm: {
+    name: "Cosmic Storm",
+    elem: "air",
+    dmg: 200,
+    cost: elemCost("air", 20),
+    tier: 3,
+    castSpeed: 0.7,
+    unlock: 10000,
+    studyTime: 24,
+    desc: "A storm of cosmic proportions."
+  },
+  heavenLight: {
+    name: "Heaven's Light",
+    elem: "light",
+    dmg: 240,
+    cost: elemCost("light", 24),
+    tier: 3,
+    castSpeed: 0.6,
+    unlock: 11000,
+    studyTime: 26,
+    desc: "The light of heaven itself."
+  },
+  oblivion: {
+    name: "Oblivion",
+    elem: "dark",
+    dmg: 230,
+    cost: elemCost("dark", 23),
+    tier: 3,
+    castSpeed: 0.6,
+    unlock: 10500,
+    studyTime: 25,
+    desc: "Consign to oblivion."
+  },
+  deathMark: {
+    name: "Death Mark",
+    elem: "death",
+    dmg: 200,
+    cost: elemCost("death", 20),
+    tier: 3,
+    castSpeed: 0.7,
+    unlock: 10000,
+    studyTime: 24,
+    desc: "Mark for death."
+  },
+  
+  // Tier 4 - Legendary Spells (40-60 hours study, require exotic elements)
+  stellarNova: {
+    name: "Stellar Nova",
+    elem: "stellar",
+    dmg: 500,
+    cost: elemCost("stellar", 15),
+    tier: 4,
+    castSpeed: 0.4,
+    unlock: 50000,
+    studyTime: 48,
+    desc: "A nova of stellar energy."
+  },
+  voidCollapse: {
+    name: "Void Collapse",
+    elem: "void",
+    dmg: 450,
+    cost: elemCost("void", 12),
+    tier: 4,
+    castSpeed: 0.45,
+    unlock: 40000,
+    studyTime: 42,
+    desc: "Collapse the void upon your enemy."
+  },
+  crystalShatter: {
+    name: "Crystal Shatter",
+    elem: "crystal",
+    dmg: 400,
+    cost: elemCost("crystal", 10),
+    tier: 4,
+    castSpeed: 0.5,
+    unlock: 35000,
+    studyTime: 36,
+    desc: "Shatter crystalline energy."
+  },
+  
+  // ═══════════════════════════════════════════════════════════════════════════
+  // LIGHTNING SPELLS - Fast, armor-piercing, harder to dodge
+  // ═══════════════════════════════════════════════════════════════════════════
+  
+  // Tier 1 - Basic Lightning
+  spark: {
+    name: "Spark",
+    elem: "lightning",
+    dmg: 8,
+    cost: elemCost("lightning", 1),
+    tier: 1,
+    castSpeed: 4,
+    unlock: 120,
+    studyTime: 2,
+    desc: "A quick spark of lightning. Very fast and hard to dodge.",
+    effects: [{ type: 'armor_pierce', value: 0.2 }]
+  },
+  lightningBolt: {
+    name: "Lightning Bolt",
+    elem: "lightning",
+    dmg: 14,
+    cost: elemCost("lightning", 2),
+    tier: 1,
+    castSpeed: 3,
+    unlock: 150,
+    studyTime: 3,
+    desc: "A bolt of lightning that pierces armor.",
+    effects: [{ type: 'armor_pierce', value: 0.3 }]
+  },
+  
+  // Tier 2 - Advanced Lightning
+  chainLightning: {
+    name: "Chain Lightning",
+    elem: "lightning",
+    dmg: 25,
+    cost: elemCost("lightning", 5),
+    tier: 2,
+    castSpeed: 2,
+    unlock: 900,
+    studyTime: 8,
+    desc: "Lightning that arcs between enemies. Hits 3 targets.",
+    isAoe: true,
+    aoeTargets: 3,
+    effects: [{ type: 'chain', value: 3 }]
+  },
+  stormCall: {
+    name: "Storm Call",
+    elem: "lightning",
+    dmg: 40,
+    cost: elemCost("lightning", 6),
+    tier: 2,
+    castSpeed: 1.5,
+    unlock: 1100,
+    studyTime: 10,
+    desc: "Call down a storm. Hits 2 targets with armor pierce.",
+    isAoe: true,
+    aoeTargets: 2,
+    effects: [{ type: 'armor_pierce', value: 0.4 }]
+  },
+  
+  // Tier 3 - Master Lightning
+  thunderStrike: {
+    name: "Thunder Strike",
+    elem: "lightning",
+    dmg: 150,
+    cost: elemCost("lightning", 15),
+    tier: 3,
+    castSpeed: 0.8,
+    unlock: 10000,
+    studyTime: 24,
+    desc: "Devastating lightning that ignores 50% armor.",
+    effects: [{ type: 'armor_pierce', value: 0.5 }]
+  },
+  
+  // ═══════════════════════════════════════════════════════════════════════════
+  // AOE SPELLS - Hit multiple enemies, less damage per target
+  // ═══════════════════════════════════════════════════════════════════════════
+  
+  // Tier 1 AOE
+  fireballAoe: {
+    name: "Fireball (AOE)",
+    elem: "fire",
+    dmg: 8,
+    cost: elemCost("fire", 3),
+    tier: 1,
+    castSpeed: 2,
+    unlock: 150,
+    studyTime: 3,
+    desc: "An explosive fireball that hits 3 enemies.",
+    isAoe: true,
+    aoeTargets: 3,
+    effects: [{ type: 'aoe', value: 3 }]
+  },
+  frostNova: {
+    name: "Frost Nova",
+    elem: "water",
+    dmg: 6,
+    cost: elemCost("water", 3),
+    tier: 1,
+    castSpeed: 2,
+    unlock: 140,
+    studyTime: 3,
+    desc: "A burst of frost hitting 4 enemies. May freeze.",
+    isAoe: true,
+    aoeTargets: 4,
+    effects: [{ type: 'freeze', value: 0.15, chance: 0.2 }]
+  },
+  
+  // Tier 2 AOE
+  meteorShower: {
+    name: "Meteor Shower",
+    elem: "fire",
+    dmg: 20,
+    cost: elemCost("fire", 8),
+    tier: 2,
+    castSpeed: 1,
+    unlock: 1200,
+    studyTime: 10,
+    desc: "Rain meteors on 5 enemies.",
+    isAoe: true,
+    aoeTargets: 5
+  },
+  blizzard: {
+    name: "Blizzard",
+    elem: "water",
+    dmg: 18,
+    cost: elemCost("water", 7),
+    tier: 2,
+    castSpeed: 1.2,
+    unlock: 1000,
+    studyTime: 9,
+    desc: "A freezing blizzard hitting 4 enemies.",
+    isAoe: true,
+    aoeTargets: 4,
+    effects: [{ type: 'freeze', value: 0.1, chance: 0.15 }]
+  },
+  earthquakeAoe: {
+    name: "Earth Tremor",
+    elem: "earth",
+    dmg: 25,
+    cost: elemCost("earth", 8),
+    tier: 2,
+    castSpeed: 0.8,
+    unlock: 1400,
+    studyTime: 10,
+    desc: "Shake the ground, hitting 3 enemies with high damage.",
+    isAoe: true,
+    aoeTargets: 3
+  },
+  
+  // Tier 3 AOE
+  apocalypse: {
+    name: "Apocalypse",
+    elem: "fire",
+    dmg: 80,
+    cost: elemCost("fire", 20),
+    tier: 3,
+    castSpeed: 0.5,
+    unlock: 15000,
+    studyTime: 30,
+    desc: "End times. Hits ALL enemies with devastating fire.",
+    isAoe: true,
+    aoeTargets: 10
+  },
+  
+  // ═══════════════════════════════════════════════════════════════════════════
+  // MAGIC SWORD ENCHANTMENTS - For weapon enchanting system
+  // ═══════════════════════════════════════════════════════════════════════════
+  
+  fireBlade: {
+    name: "Fire Blade",
+    elem: "fire",
+    dmg: 3,
+    cost: rawCost(1),
+    tier: 1,
+    castSpeed: 4,
+    unlock: 100,
+    studyTime: 2,
+    desc: "Enchant a blade with fire. Burns enemies over time.",
+    isWeaponEnchant: true,
+    effects: [{ type: 'burn', value: 2, duration: 3 }]
+  },
+  frostBlade: {
+    name: "Frost Blade",
+    elem: "water",
+    dmg: 3,
+    cost: rawCost(1),
+    tier: 1,
+    castSpeed: 4,
+    unlock: 100,
+    studyTime: 2,
+    desc: "Enchant a blade with frost. Prevents enemy dodge.",
+    isWeaponEnchant: true,
+    effects: [{ type: 'freeze', value: 0, chance: 1 }] // 100% freeze = no dodge
+  },
+  lightningBlade: {
+    name: "Lightning Blade",
+    elem: "lightning",
+    dmg: 4,
+    cost: rawCost(1),
+    tier: 1,
+    castSpeed: 5,
+    unlock: 150,
+    studyTime: 3,
+    desc: "Enchant a blade with lightning. Pierces 30% armor.",
+    isWeaponEnchant: true,
+    effects: [{ type: 'armor_pierce', value: 0.3 }]
+  },
+  voidBlade: {
+    name: "Void Blade",
+    elem: "dark",
+    dmg: 5,
+    cost: rawCost(2),
+    tier: 2,
+    castSpeed: 3,
+    unlock: 800,
+    studyTime: 8,
+    desc: "Enchant a blade with void. +20% damage.",
+    isWeaponEnchant: true,
+    effects: [{ type: 'buff', value: 0.2 }]
+  },
+  
+  // ═══════════════════════════════════════════════════════════════════════════
+  // COMPOUND MANA SPELLS - Blood, Metal, Wood, Sand
+  // ═══════════════════════════════════════════════════════════════════════════
+  
+  // ─── METAL SPELLS (Fire + Earth) ─────────────────────────────────────────────
+  // Metal magic is slow but devastating with high armor pierce
+  metalShard: {
+    name: "Metal Shard",
+    elem: "metal",
+    dmg: 16,
+    cost: elemCost("metal", 2),
+    tier: 1,
+    castSpeed: 1.8,
+    unlock: 220,
+    studyTime: 3,
+    desc: "A sharpened metal shard. Slower but pierces armor.",
+    effects: [{ type: 'armor_pierce', value: 0.25 }]
+  },
+  ironFist: {
+    name: "Iron Fist",
+    elem: "metal",
+    dmg: 28,
+    cost: elemCost("metal", 4),
+    tier: 1,
+    castSpeed: 1.5,
+    unlock: 350,
+    studyTime: 5,
+    desc: "A crushing fist of iron. High armor pierce.",
+    effects: [{ type: 'armor_pierce', value: 0.35 }]
+  },
+  steelTempest: {
+    name: "Steel Tempest",
+    elem: "metal",
+    dmg: 55,
+    cost: elemCost("metal", 8),
+    tier: 2,
+    castSpeed: 1,
+    unlock: 1300,
+    studyTime: 12,
+    desc: "A whirlwind of steel blades. Ignores much armor.",
+    effects: [{ type: 'armor_pierce', value: 0.45 }]
+  },
+  furnaceBlast: {
+    name: "Furnace Blast",
+    elem: "metal",
+    dmg: 200,
+    cost: elemCost("metal", 20),
+    tier: 3,
+    castSpeed: 0.5,
+    unlock: 18000,
+    studyTime: 32,
+    desc: "Molten metal and fire combined. Devastating armor pierce.",
+    effects: [{ type: 'armor_pierce', value: 0.6 }]
+  },
+  
+  // ─── SAND SPELLS (Earth + Water) ────────────────────────────────────────────
+  // Sand magic slows enemies and deals steady damage
+  sandBlast: {
+    name: "Sand Blast",
+    elem: "sand",
+    dmg: 11,
+    cost: elemCost("sand", 2),
+    tier: 1,
+    castSpeed: 3,
+    unlock: 190,
+    studyTime: 3,
+    desc: "A blast of stinging sand. Fast casting.",
+  },
+  sandstorm: {
+    name: "Sandstorm",
+    elem: "sand",
+    dmg: 22,
+    cost: elemCost("sand", 4),
+    tier: 1,
+    castSpeed: 2,
+    unlock: 300,
+    studyTime: 4,
+    desc: "A swirling sandstorm. Hits 2 enemies.",
+    isAoe: true,
+    aoeTargets: 2,
+  },
+  desertWind: {
+    name: "Desert Wind",
+    elem: "sand",
+    dmg: 38,
+    cost: elemCost("sand", 6),
+    tier: 2,
+    castSpeed: 1.5,
+    unlock: 950,
+    studyTime: 8,
+    desc: "A scouring desert wind. Hits 3 enemies.",
+    isAoe: true,
+    aoeTargets: 3,
+  },
+  duneCollapse: {
+    name: "Dune Collapse",
+    elem: "sand",
+    dmg: 100,
+    cost: elemCost("sand", 16),
+    tier: 3,
+    castSpeed: 0.6,
+    unlock: 14000,
+    studyTime: 28,
+    desc: "Dunes collapse on all enemies. Hits 5 targets.",
+    isAoe: true,
+    aoeTargets: 5,
+  },
+  
+  // ═══════════════════════════════════════════════════════════════════════════
+  // UTILITY MANA SPELLS - Mental, Transference, Force
+  // ═══════════════════════════════════════════════════════════════════════════
+  
+  // ─── TRANSFERENCE SPELLS ─────────────────────────────────────────────────────
+  // Transference magic moves mana and enhances efficiency
+  transferStrike: {
+    name: "Transfer Strike",
+    elem: "transference",
+    dmg: 9,
+    cost: elemCost("transference", 2),
+    tier: 1,
+    castSpeed: 3,
+    unlock: 150,
+    studyTime: 2,
+    desc: "Strike that transfers energy. Very efficient.",
+  },
+  manaRip: {
+    name: "Mana Rip",
+    elem: "transference",
+    dmg: 16,
+    cost: elemCost("transference", 3),
+    tier: 1,
+    castSpeed: 2.5,
+    unlock: 250,
+    studyTime: 4,
+    desc: "Rip mana from the enemy. High efficiency.",
+  },
+  essenceDrain: {
+    name: "Essence Drain",
+    elem: "transference",
+    dmg: 42,
+    cost: elemCost("transference", 7),
+    tier: 2,
+    castSpeed: 1.3,
+    unlock: 1050,
+    studyTime: 10,
+    desc: "Drain the enemy's essence.",
+  },
+  soulTransfer: {
+    name: "Soul Transfer",
+    elem: "transference",
+    dmg: 130,
+    cost: elemCost("transference", 16),
+    tier: 3,
+    castSpeed: 0.6,
+    unlock: 13000,
+    studyTime: 26,
+    desc: "Transfer the soul's energy.",
+  },
+};