feat: Remove banned mana types (life, blood, wood, mental, force) and lifesteal

- Remove life, blood, wood, mental, force mana types from ELEMENTS
- Remove all spells using banned mana types
- Remove lifesteal from all remaining spells and effects
- Update guardian perks to remove lifesteal mentions
- Remove research skills for banned spell types
- Update tests to reflect new element structure
- Add BANNED CONTENT section to AGENTS.md (lifesteal/healing ban)
- Add mana types overview to README.md and AGENTS.md
- All 44 tests pass, lint clean

src/lib/game/constants.ts

@@ -30,28 +30,27 @@ export const ELEMENTS: Record<string, ElementDef> = {
   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" },
-  life:   { name: "Life",   sym: "🌿", color: "#2ECC71", glow: "#2ECC7140", cat: "base" },
   death:  { name: "Death",  sym: "💀", color: "#778CA3", glow: "#778CA340", cat: "base" },
   
   // Utility Elements
-  mental: { name: "Mental", sym: "🧠", color: "#E91E8C", glow: "#E91E8C40", cat: "utility" },
   transference: { name: "Transference", sym: "🔗", color: "#1ABC9C", glow: "#1ABC9C40", cat: "utility" },
-  force:  { name: "Force",  sym: "💨", color: "#E74C3C", glow: "#E74C3C40", cat: "utility" },
   
   // Composite Elements
-  blood:     { name: "Blood",     sym: "🩸", color: "#C0392B", glow: "#C0392B40", cat: "composite", recipe: ["life", "water"] },
   metal:     { name: "Metal",     sym: "⚙️", color: "#BDC3C7", glow: "#BDC3C740", cat: "composite", recipe: ["fire", "earth"] },
-  wood:      { name: "Wood",      sym: "🪵", color: "#8B5E3C", glow: "#8B5E3C40", cat: "composite", recipe: ["life", "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", "mental"] },
+  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"] },
 };
 
-export const FLOOR_ELEM_CYCLE = ["fire", "water", "air", "earth", "light", "dark", "life", "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
@@ -167,7 +166,7 @@ export const GUARDIANS: Record<number, GuardianDef> = {
     ],
     pactCost: 1000,
     pactTime: 4,
-    uniquePerk: "Water spells have 10% lifesteal"
+    uniquePerk: "Water spells deal +15% damage"
   },
   30:  { 
     name: "Ventus Rex", element: "air", hp: 30000, pact: 2.0, color: "#00D4FF",
@@ -211,18 +210,7 @@ export const GUARDIANS: Record<number, GuardianDef> = {
     ],
     pactCost: 15000,
     pactTime: 12,
-    uniquePerk: "Dark spells have 20% lifesteal"
-  },
-  70:  { 
-    name: "Vita Sempiterna", element: "life", hp: 180000, pact: 3.0, color: "#2ECC71",
-    armor: 0.20,
-    boons: [
-      { type: 'elementalDamage', value: 10, desc: '+10% Life damage' },
-      { type: 'manaRegen', value: 1, desc: '+1 mana regen' },
-    ],
-    pactCost: 25000,
-    pactTime: 14,
-    uniquePerk: "Life spells heal for 30% of damage dealt"
+    uniquePerk: "Dark spells deal +25% damage to armored enemies"
   },
   80:  { 
     name: "Mors Ultima", element: "death", hp: 250000, pact: 3.25, color: "#778CA3",
@@ -431,7 +419,6 @@ export const SPELLS_DEF: Record<string, SpellDef> = {
     unlock: 150,
     studyTime: 3,
     desc: "Drain life force from your enemy.",
-    effects: [{ type: 'lifesteal', value: 0.2 }]
   },
   rotTouch: {
     name: "Rot Touch",
@@ -444,29 +431,7 @@ export const SPELLS_DEF: Record<string, SpellDef> = {
     studyTime: 3,
     desc: "Touch of decay and rot."
   },
-  lifeTap: {
-    name: "Life Tap",
-    elem: "life",
-    dmg: 8,
-    cost: elemCost("life", 1),
-    tier: 1,
-    castSpeed: 3,
-    unlock: 100,
-    studyTime: 2,
-    desc: "Tap into life energy for a weak attack.",
-    effects: [{ type: 'lifesteal', value: 0.3 }]
-  },
-  thornWhip: {
-    name: "Thorn Whip",
-    elem: "life",
-    dmg: 12,
-    cost: elemCost("life", 2),
-    tier: 1,
-    castSpeed: 2.5,
-    unlock: 130,
-    studyTime: 2,
-    desc: "A whip of living thorns."
-  },
+
   
   // Tier 2 - Advanced Spells (8-12 hours study)
   inferno: {
@@ -610,19 +575,7 @@ export const SPELLS_DEF: Record<string, SpellDef> = {
     castSpeed: 1.1,
     unlock: 1100,
     studyTime: 9,
-    desc: "Tear at the enemy's soul.",
-    effects: [{ type: 'lifesteal', value: 0.25 }]
-  },
-  entangle: {
-    name: "Entangle",
-    elem: "life",
-    dmg: 35,
-    cost: elemCost("life", 5),
-    tier: 2,
-    castSpeed: 1.5,
-    unlock: 700,
-    studyTime: 6,
-    desc: "Vines entangle and crush."
+    desc: "Tear at the enemy's soul."
   },
   
   // Tier 3 - Master Spells (20-30 hours study)
@@ -701,20 +654,7 @@ export const SPELLS_DEF: Record<string, SpellDef> = {
     castSpeed: 0.7,
     unlock: 10000,
     studyTime: 24,
-    desc: "Mark for death.",
-    effects: [{ type: 'lifesteal', value: 0.35 }]
-  },
-  worldTree: {
-    name: "World Tree",
-    elem: "life",
-    dmg: 180,
-    cost: elemCost("life", 18),
-    tier: 3,
-    castSpeed: 0.75,
-    unlock: 9000,
-    studyTime: 22,
-    desc: "Power of the world tree itself.",
-    effects: [{ type: 'lifesteal', value: 0.4 }]
+    desc: "Mark for death."
   },
   
   // Tier 4 - Legendary Spells (40-60 hours study, require exotic elements)
@@ -969,66 +909,15 @@ export const SPELLS_DEF: Record<string, SpellDef> = {
     castSpeed: 3,
     unlock: 800,
     studyTime: 8,
-    desc: "Enchant a blade with void. 10% lifesteal.",
+    desc: "Enchant a blade with void. +20% damage.",
     isWeaponEnchant: true,
-    effects: [{ type: 'lifesteal', value: 0.1 }]
+    effects: [{ type: 'buff', value: 0.2 }]
   },
   
   // ═══════════════════════════════════════════════════════════════════════════
   // COMPOUND MANA SPELLS - Blood, Metal, Wood, Sand
   // ═══════════════════════════════════════════════════════════════════════════
   
-  // ─── BLOOD SPELLS (Life + Water) ─────────────────────────────────────────────
-  // Blood magic sacrifices HP for power, with lifesteal effects
-  bloodNeedle: {
-    name: "Blood Needle",
-    elem: "blood",
-    dmg: 12,
-    cost: elemCost("blood", 2),
-    tier: 1,
-    castSpeed: 3,
-    unlock: 200,
-    studyTime: 3,
-    desc: "A needle of congealed blood. Fast and efficient.",
-    effects: [{ type: 'lifesteal', value: 0.15 }]
-  },
-  bloodSlash: {
-    name: "Blood Slash",
-    elem: "blood",
-    dmg: 18,
-    cost: elemCost("blood", 3),
-    tier: 1,
-    castSpeed: 2,
-    unlock: 280,
-    studyTime: 4,
-    desc: "A slashing arc of blood. Good lifesteal.",
-    effects: [{ type: 'lifesteal', value: 0.2 }]
-  },
-  bloodRite: {
-    name: "Blood Rite",
-    elem: "blood",
-    dmg: 45,
-    cost: elemCost("blood", 7),
-    tier: 2,
-    castSpeed: 1.2,
-    unlock: 1100,
-    studyTime: 10,
-    desc: "A ritual of blood. Strong damage and lifesteal.",
-    effects: [{ type: 'lifesteal', value: 0.35 }]
-  },
-  sanguineStorm: {
-    name: "Sanguine Storm",
-    elem: "blood",
-    dmg: 80,
-    cost: elemCost("blood", 15),
-    tier: 3,
-    castSpeed: 0.7,
-    unlock: 12000,
-    studyTime: 26,
-    desc: "A storm of blood droplets. Massive lifesteal.",
-    effects: [{ type: 'lifesteal', value: 0.5 }]
-  },
-  
   // ─── METAL SPELLS (Fire + Earth) ─────────────────────────────────────────────
   // Metal magic is slow but devastating with high armor pierce
   metalShard: {
@@ -1080,57 +969,6 @@ export const SPELLS_DEF: Record<string, SpellDef> = {
     effects: [{ type: 'armor_pierce', value: 0.6 }]
   },
   
-  // ─── WOOD SPELLS (Life + Earth) ─────────────────────────────────────────────
-  // Wood magic focuses on growth and regeneration
-  thornStrike: {
-    name: "Thorn Strike",
-    elem: "wood",
-    dmg: 14,
-    cost: elemCost("wood", 2),
-    tier: 1,
-    castSpeed: 2.5,
-    unlock: 180,
-    studyTime: 3,
-    desc: "A strike of wooden thorns. Some lifesteal.",
-    effects: [{ type: 'lifesteal', value: 0.12 }]
-  },
-  rootGrab: {
-    name: "Root Grab",
-    elem: "wood",
-    dmg: 20,
-    cost: elemCost("wood", 3),
-    tier: 1,
-    castSpeed: 2,
-    unlock: 260,
-    studyTime: 4,
-    desc: "Roots entangle and crush. Good lifesteal.",
-    effects: [{ type: 'lifesteal', value: 0.18 }]
-  },
-  treePunch: {
-    name: "Tree Punch",
-    elem: "wood",
-    dmg: 40,
-    cost: elemCost("wood", 6),
-    tier: 2,
-    castSpeed: 1.3,
-    unlock: 1000,
-    studyTime: 9,
-    desc: "A massive wooden fist. Strong lifesteal.",
-    effects: [{ type: 'lifesteal', value: 0.25 }]
-  },
-  forestAwakening: {
-    name: "Forest Awakening",
-    elem: "wood",
-    dmg: 120,
-    cost: elemCost("wood", 14),
-    tier: 3,
-    castSpeed: 0.65,
-    unlock: 11000,
-    studyTime: 24,
-    desc: "The forest itself awakens. Excellent lifesteal.",
-    effects: [{ type: 'lifesteal', value: 0.4 }]
-  },
-  
   // ─── SAND SPELLS (Earth + Water) ────────────────────────────────────────────
   // Sand magic slows enemies and deals steady damage
   sandBlast: {
@@ -1188,59 +1026,8 @@ export const SPELLS_DEF: Record<string, SpellDef> = {
   // UTILITY MANA SPELLS - Mental, Transference, Force
   // ═══════════════════════════════════════════════════════════════════════════
   
-  // ─── MENTAL SPELLS ──────────────────────────────────────────────────────────
-  // Mental magic stuns and disrupts enemies
-  mindSpike: {
-    name: "Mind Spike",
-    elem: "mental",
-    dmg: 10,
-    cost: elemCost("mental", 2),
-    tier: 1,
-    castSpeed: 3.5,
-    unlock: 200,
-    studyTime: 3,
-    desc: "A spike of mental energy. Fast and disruptive.",
-    effects: [{ type: 'stun', value: 0.1, chance: 0.15 }]
-  },
-  psychicBlast: {
-    name: "Psychic Blast",
-    elem: "mental",
-    dmg: 20,
-    cost: elemCost("mental", 4),
-    tier: 1,
-    castSpeed: 2.5,
-    unlock: 320,
-    studyTime: 5,
-    desc: "A blast of psychic energy. Chance to stun.",
-    effects: [{ type: 'stun', value: 0.15, chance: 0.2 }]
-  },
-  mindCrush: {
-    name: "Mind Crush",
-    elem: "mental",
-    dmg: 48,
-    cost: elemCost("mental", 8),
-    tier: 2,
-    castSpeed: 1.2,
-    unlock: 1200,
-    studyTime: 11,
-    desc: "Crush the enemy's mind. High stun chance.",
-    effects: [{ type: 'stun', value: 0.2, chance: 0.3 }]
-  },
-  cerebralAnnihilation: {
-    name: "Cerebral Annihilation",
-    elem: "mental",
-    dmg: 150,
-    cost: elemCost("mental", 18),
-    tier: 3,
-    castSpeed: 0.55,
-    unlock: 16000,
-    studyTime: 30,
-    desc: "Total mental destruction. Very high stun chance.",
-    effects: [{ type: 'stun', value: 0.25, chance: 0.4 }]
-  },
-  
   // ─── TRANSFERENCE SPELLS ─────────────────────────────────────────────────────
-  // Transference magic moves mana and provides lifesteal
+  // Transference magic moves mana and enhances efficiency
   transferStrike: {
     name: "Transfer Strike",
     elem: "transference",
@@ -1250,8 +1037,7 @@ export const SPELLS_DEF: Record<string, SpellDef> = {
     castSpeed: 3,
     unlock: 150,
     studyTime: 2,
-    desc: "Strike that transfers energy. Good lifesteal.",
-    effects: [{ type: 'lifesteal', value: 0.2 }]
+    desc: "Strike that transfers energy. Very efficient.",
   },
   manaRip: {
     name: "Mana Rip",
@@ -1262,8 +1048,7 @@ export const SPELLS_DEF: Record<string, SpellDef> = {
     castSpeed: 2.5,
     unlock: 250,
     studyTime: 4,
-    desc: "Rip mana from the enemy. Strong lifesteal.",
-    effects: [{ type: 'lifesteal', value: 0.25 }]
+    desc: "Rip mana from the enemy. High efficiency.",
   },
   essenceDrain: {
     name: "Essence Drain",
@@ -1274,8 +1059,7 @@ export const SPELLS_DEF: Record<string, SpellDef> = {
     castSpeed: 1.3,
     unlock: 1050,
     studyTime: 10,
-    desc: "Drain the enemy's essence. Excellent lifesteal.",
-    effects: [{ type: 'lifesteal', value: 0.35 }]
+    desc: "Drain the enemy's essence.",
   },
   soulTransfer: {
     name: "Soul Transfer",
@@ -1286,59 +1070,7 @@ export const SPELLS_DEF: Record<string, SpellDef> = {
     castSpeed: 0.6,
     unlock: 13000,
     studyTime: 26,
-    desc: "Transfer the soul's energy. Massive lifesteal.",
-    effects: [{ type: 'lifesteal', value: 0.5 }]
-  },
-  
-  // ─── FORCE SPELLS ───────────────────────────────────────────────────────────
-  // Force magic is raw telekinetic power - high damage, fast
-  forcePush: {
-    name: "Force Push",
-    elem: "force",
-    dmg: 12,
-    cost: elemCost("force", 2),
-    tier: 1,
-    castSpeed: 3.5,
-    unlock: 180,
-    studyTime: 3,
-    desc: "A push of telekinetic force. Very fast.",
-  },
-  kineticBlast: {
-    name: "Kinetic Blast",
-    elem: "force",
-    dmg: 24,
-    cost: elemCost("force", 4),
-    tier: 1,
-    castSpeed: 2.8,
-    unlock: 300,
-    studyTime: 4,
-    desc: "A blast of pure kinetic energy. Fast and powerful.",
-  },
-  gravityWell: {
-    name: "Gravity Well",
-    elem: "force",
-    dmg: 50,
-    cost: elemCost("force", 7),
-    tier: 2,
-    castSpeed: 1.4,
-    unlock: 1150,
-    studyTime: 10,
-    desc: "A crushing gravity well. Hits 2 enemies.",
-    isAoe: true,
-    aoeTargets: 2,
-  },
-  telekineticStorm: {
-    name: "Telekinetic Storm",
-    elem: "force",
-    dmg: 160,
-    cost: elemCost("force", 18),
-    tier: 3,
-    castSpeed: 0.5,
-    unlock: 17000,
-    studyTime: 30,
-    desc: "A storm of telekinetic fury. Hits 4 enemies.",
-    isAoe: true,
-    aoeTargets: 4,
+    desc: "Transfer the soul's energy.",
   },
 };
 
@@ -1378,7 +1110,7 @@ export const SKILLS_DEF: Record<string, SkillDef> = {
   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: "Life & Death Research", desc: "Unlock Drain, Life Tap 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 } },
@@ -1409,48 +1141,36 @@ export const SKILLS_DEF: Record<string, SkillDef> = {
   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 - Blood, Metal, Wood, Sand, Lightning
+  // COMPOUND MANA SPELL RESEARCH - Metal, Sand, Lightning
   // ═══════════════════════════════════════════════════════════════════════════
   
   // Tier 1 - Basic Compound Spells
-  researchBloodSpells: { name: "Blood Spell Research", desc: "Unlock Blood Needle, Blood Slash spell enchantments", cat: "effectResearch", max: 1, base: 400, studyTime: 6, req: { researchLifeDeathSpells: 1, researchWaterSpells: 1, enchanting: 3 }, attunementReq: { enchanter: 2 } },
   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 } },
-  researchWoodSpells: { name: "Wood Spell Research", desc: "Unlock Thorn Strike, Root Grab spell enchantments", cat: "effectResearch", max: 1, base: 400, studyTime: 6, req: { researchLifeDeathSpells: 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
-  researchAdvancedBlood: { name: "Advanced Blood Research", desc: "Unlock Blood Rite spell enchantment", cat: "effectResearch", max: 1, base: 700, studyTime: 12, req: { researchBloodSpells: 1, enchanting: 5 }, attunementReq: { enchanter: 3 } },
   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 } },
-  researchAdvancedWood: { name: "Advanced Wood Research", desc: "Unlock Tree Punch spell enchantment", cat: "effectResearch", max: 1, base: 700, studyTime: 12, req: { researchWoodSpells: 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
-  researchMasterBlood: { name: "Master Blood Research", desc: "Unlock Sanguine Storm spell enchantment", cat: "effectResearch", max: 1, base: 1300, studyTime: 26, req: { researchAdvancedBlood: 1, enchanting: 7 }, attunementReq: { enchanter: 5 } },
   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 } },
-  researchMasterWood: { name: "Master Wood Research", desc: "Unlock Forest Awakening spell enchantment", cat: "effectResearch", max: 1, base: 1300, studyTime: 26, req: { researchAdvancedWood: 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 - Mental, Transference, Force
+  // UTILITY MANA SPELL RESEARCH - Transference
   // ═══════════════════════════════════════════════════════════════════════════
   
   // Tier 1 - Basic Utility Spells
-  researchMentalSpells: { name: "Mental Spell Research", desc: "Unlock Mind Spike, Psychic Blast spell enchantments", cat: "effectResearch", max: 1, base: 450, studyTime: 7, req: { enchanting: 4 }, attunementReq: { enchanter: 2 } },
   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 } },
-  researchForceSpells: { name: "Force Spell Research", desc: "Unlock Force Push, Kinetic Blast spell enchantments", cat: "effectResearch", max: 1, base: 400, studyTime: 6, req: { enchanting: 3 }, attunementReq: { enchanter: 2 } },
   
   // Tier 2 - Advanced Utility Spells
-  researchAdvancedMental: { name: "Advanced Mental Research", desc: "Unlock Mind Crush spell enchantment", cat: "effectResearch", max: 1, base: 750, studyTime: 14, req: { researchMentalSpells: 1, enchanting: 5 }, attunementReq: { enchanter: 3 } },
   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 } },
-  researchAdvancedForce: { name: "Advanced Force Research", desc: "Unlock Gravity Well spell enchantment", cat: "effectResearch", max: 1, base: 700, studyTime: 12, req: { researchForceSpells: 1, enchanting: 5 }, attunementReq: { enchanter: 3 } },
   
   // Tier 3 - Master Utility Spells
-  researchMasterMental: { name: "Master Mental Research", desc: "Unlock Cerebral Annihilation spell enchantment", cat: "effectResearch", max: 1, base: 1400, studyTime: 28, req: { researchAdvancedMental: 1, enchanting: 8 }, attunementReq: { enchanter: 5 } },
   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 } },
-  researchMasterForce: { name: "Master Force Research", desc: "Unlock Telekinetic Storm spell enchantment", cat: "effectResearch", max: 1, base: 1400, studyTime: 28, req: { researchAdvancedForce: 1, enchanting: 8 }, 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 },
@@ -1528,7 +1248,7 @@ export const EFFECT_RESEARCH_MAPPING: Record<string, string[]> = {
   researchEarthSpells: ['spell_stoneBullet', 'spell_rockSpike'],
   researchLightSpells: ['spell_lightLance', 'spell_radiance'],
   researchDarkSpells: ['spell_shadowBolt', 'spell_darkPulse'],
-  researchLifeDeathSpells: ['spell_drain', 'spell_lifeTap'],
+  researchLifeDeathSpells: ['spell_drain'],
   
   // Tier 2 - Advanced Spell Effects
   researchAdvancedFire: ['spell_inferno', 'spell_flameWave'],
@@ -1555,52 +1275,40 @@ export const EFFECT_RESEARCH_MAPPING: Record<string, string[]> = {
   researchUtilityEffects: ['meditate_10', 'study_10', 'insight_5'],
   
   // Special Effect Research
-  researchSpecialEffects: ['spell_echo_10', 'lifesteal_5', 'guardian_dmg_10'],
+  researchSpecialEffects: ['spell_echo_10', 'guardian_dmg_10'],
   researchOverpower: ['overpower_80'],
   
   // ═══════════════════════════════════════════════════════════════════════════
-  // COMPOUND MANA SPELL RESEARCH - Blood, Metal, Wood, Sand, Lightning
+  // COMPOUND MANA SPELL RESEARCH - Metal, Sand, Lightning
   // ═══════════════════════════════════════════════════════════════════════════
   
   // Tier 1 - Basic Compound Spells
-  researchBloodSpells: ['spell_bloodNeedle', 'spell_bloodSlash'],
   researchMetalSpells: ['spell_metalShard', 'spell_ironFist'],
-  researchWoodSpells: ['spell_thornStrike', 'spell_rootGrab'],
   researchSandSpells: ['spell_sandBlast', 'spell_sandstorm'],
   researchLightningSpells: ['spell_spark', 'spell_lightningBolt'],
   
   // Tier 2 - Advanced Compound Spells
-  researchAdvancedBlood: ['spell_bloodRite'],
   researchAdvancedMetal: ['spell_steelTempest'],
-  researchAdvancedWood: ['spell_treePunch'],
   researchAdvancedSand: ['spell_desertWind'],
   researchAdvancedLightning: ['spell_chainLightning', 'spell_stormCall'],
   
   // Tier 3 - Master Compound Spells
-  researchMasterBlood: ['spell_sanguineStorm'],
   researchMasterMetal: ['spell_furnaceBlast'],
-  researchMasterWood: ['spell_forestAwakening'],
   researchMasterSand: ['spell_duneCollapse'],
   researchMasterLightning: ['spell_thunderStrike'],
   
   // ═══════════════════════════════════════════════════════════════════════════
-  // UTILITY MANA SPELL RESEARCH - Mental, Transference, Force
+  // UTILITY MANA SPELL RESEARCH - Transference
   // ═══════════════════════════════════════════════════════════════════════════
   
   // Tier 1 - Basic Utility Spells
-  researchMentalSpells: ['spell_mindSpike', 'spell_psychicBlast'],
   researchTransferenceSpells: ['spell_transferStrike', 'spell_manaRip'],
-  researchForceSpells: ['spell_forcePush', 'spell_kineticBlast'],
   
   // Tier 2 - Advanced Utility Spells
-  researchAdvancedMental: ['spell_mindCrush'],
   researchAdvancedTransference: ['spell_essenceDrain'],
-  researchAdvancedForce: ['spell_gravityWell'],
   
   // Tier 3 - Master Utility Spells
-  researchMasterMental: ['spell_cerebralAnnihilation'],
   researchMasterTransference: ['spell_soulTransfer'],
-  researchMasterForce: ['spell_telekineticStorm'],
 };
 
 // Base effects unlocked when player gets enchanting skill level 1
@@ -1627,7 +1335,6 @@ export const ELEMENT_OPPOSITES: Record<string, string> = {
   fire: 'water', water: 'fire',
   air: 'earth', earth: 'air',
   light: 'dark', dark: 'light',
-  life: 'death', death: 'life',
   lightning: 'earth', // Lightning is weak to earth (grounding)
 };
 
@@ -1641,14 +1348,9 @@ export const ELEMENT_ICON_NAMES: Record<string, string> = {
   earth: 'Mountain',
   light: 'Sun',
   dark: 'Moon',
-  life: 'Leaf',
   death: 'Skull',
-  mental: 'Brain',
   transference: 'Link',
-  force: 'Wind',
-  blood: 'Droplets',
   metal: 'Target',
-  wood: 'TreeDeciduous',
   sand: 'Hourglass',
   lightning: 'Zap',
   crystal: 'Gem',