docs: add comprehensive game briefing document and fix deprecated tests

- Created GAME_BRIEFING.md with full documentation of all game systems - Fixed getFloorElement to use cycle length instead of hardcoded 8 - Fixed deprecated tests referencing removed elements (life, blood, wood) - Fixed deprecated tests referencing removed skills (deepReservoir, etc.) - Fixed guardian tests to not expect floor 70 - Fixed computeRegen tests to account for attunement regen correctly - All 512 tests now pass The game briefing document includes: - Core game loop and progression - Mana system with all 14 mana types - Time and incursion mechanics - Spire and floor system with room types - Combat system with elemental effectiveness - Guardian and pact system - Attunement system (Enchanter, Invoker, Fabricator) - Skill evolution with 5 tiers and milestone upgrades - Equipment and enchantment system - Golemancy system - Prestige/loop mechanics - Complete formulas and system interactions
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+# Mana-Loop: Comprehensive Game Briefing Document
+
+**Document Version:** 1.0  
+**Generated:** Game Systems Analysis  
+
+---
+
+## Table of Contents
+
+1. [Executive Summary](#executive-summary)
+2. [Core Game Loop](#core-game-loop)
+3. [Mana System](#mana-system)
+4. [Time & Incursion System](#time--incursion-system)
+5. [Spire & Floor System](#spire--floor-system)
+6. [Combat System](#combat-system)
+7. [Guardian & Pact System](#guardian--pact-system)
+8. [Attunement System](#attunement-system)
+9. [Skill System](#skill-system)
+10. [Equipment & Enchantment System](#equipment--enchantment-system)
+11. [Golemancy System](#golemancy-system)
+12. [Prestige/Loop System](#prestigeloop-system)
+13. [Achievement System](#achievement-system)
+14. [Formulas & Calculations](#formulas--calculations)
+15. [System Interactions](#system-interactions)
+
+---
+
+## Executive Summary
+
+**Mana-Loop** is a browser-based incremental/idle game with a 30-day time loop mechanic. Players gather mana, study skills, climb a 100-floor spire, defeat guardians, sign pacts, enchant equipment, and prestige for permanent progression.
+
+**Key Differentiators:**
+- 3-class Attunement system (Enchanter, Invoker, Fabricator)
+- Equipment-based spell system (spells come from enchanted gear)
+- 5-tier skill evolution with milestone upgrade choices
+- Time pressure through incursion mechanic
+- Guardian pacts provide permanent multipliers
+
+---
+
+## Core Game Loop
+
+### Primary Loop (Within Each Run)
+
+```
+┌─────────────────────────────────────────────────────────────┐
+│                      TIME LOOP (30 Days)                     │
+├─────────────────────────────────────────────────────────────┤
+│  ┌─────────┐    ┌──────────┐    ┌───────────┐    ┌───────┐ │
+│  │ GATHER  │───▶│  STUDY   │───▶│   CLIMB   │───▶│ CRAFT │ │
+│  │  MANA   │    │ SKILLS   │    │   SPIRE   │    │  GEAR │ │
+│  └─────────┘    └──────────┘    └───────────┘    └───────┘ │
+│       │              │               │                │     │
+│       ▼              ▼               ▼                ▼     │
+│  ┌─────────────────────────────────────────────────────┐   │
+│  │              DEFEAT GUARDIANS → SIGN PACTS           │   │
+│  └─────────────────────────────────────────────────────┘   │
+│                            │                                 │
+│                            ▼                                 │
+│  ┌─────────────────────────────────────────────────────┐   │
+│  │           DAY 30: LOOP ENDS → GAIN INSIGHT           │   │
+│  └─────────────────────────────────────────────────────┘   │
+└─────────────────────────────────────────────────────────────┘
+```
+
+### Game Actions
+
+| Action | Effect | Time Cost |
+|--------|--------|-----------|
+| **Meditate** | Regen mana with meditation bonus multiplier | Passive |
+| **Climb** | Progress through spire floors, cast spells | Active combat |
+| **Study** | Learn skills/spells, requires mana cost | Hours per level |
+| **Craft** | Create/enchant equipment | Hours per stage |
+| **Convert** | Auto-convert raw mana to elements | Per tick |
+| **Design** | Create enchantment designs | Hours |
+| **Prepare** | Ready equipment for enchanting | Hours + mana |
+| **Enchant** | Apply enchantment to equipment | Hours + mana |
+
+---
+
+## Mana System
+
+### Mana Types Hierarchy
+
+```
+Raw Mana (Base Resource)
+    │
+    ├──▶ Base Elements (7) ─────────────────────────────────────┐
+    │    Fire, Water, Air, Earth, Light, Dark, Death           │
+    │                                                           │
+    ├──▶ Utility Element (1) ───────────────────────────────────┤
+    │    Transference (Enchanter attunement)                    │
+    │                                                           │
+    ├──▶ Compound Elements (3) ── Created from 2 base ──────────┤
+    │    Metal = Fire + Earth                                   │
+    │    Sand = Earth + Water                                   │
+    │    Lightning = Fire + Air                                 │
+    │                                                           │
+    └──▶ Exotic Elements (3) ── Created from advanced recipes ──┤
+         Crystal = Sand + Sand + Light                          │
+         Stellar = Fire + Fire + Light                          │
+         Void = Dark + Dark + Death                             │
+```
+
+### Mana Formulas
+
+**Maximum Raw Mana:**
+```
+maxMana = (100 + (manaWellLevel × 100) + (prestigeManaWell × 500) + equipmentBonuses) × maxManaMultiplier
+```
+
+**Maximum Elemental Mana:**
+```
+elementMax = (10 + (elemAttuneLevel × 50) + (prestigeElemAttune × 25)) × elementCapMultiplier
+```
+
+**Base Regeneration (per hour):**
+```
+baseRegen = 2 + (manaFlowLevel × 1) + (manaSpringLevel × 2) + (prestigeManaFlow × 0.5)
+effectiveRegen = baseRegen × (1 - incursionStrength) × meditationMultiplier
+```
+
+**Meditation Bonus:**
+```
+Base: 1 + min(hours/4, 0.5) = up to 1.5x after 4 hours
+With Meditation Focus skill: 2.5x after 4 hours
+With Deep Trance skill: 3.0x after 6 hours
+With Void Meditation skill: 5.0x after 8 hours
+```
+
+**Attunement Mana Conversion:**
+- Enchanter: Raw → Transference at 0.2/hour base (scales with level)
+- Fabricator: Raw → Earth at 0.25/hour base (scales with level)
+
+### Mana Conversion Cost
+- **100 Raw Mana = 1 Elemental Mana** (for base elements)
+- Compound/Exotic elements are crafted, not converted
+
+---
+
+## Time & Incursion System
+
+### Time Constants
+
+| Constant | Value | Description |
+|----------|-------|-------------|
+| `TICK_MS` | 200ms | Real time per game tick |
+| `HOURS_PER_TICK` | 0.04 | Game hours per tick |
+| `MAX_DAY` | 30 | Days per loop |
+| `INCURSION_START_DAY` | 20 | When incursion begins |
+
+### Time Progression
+- 1 real second = 5 game hours (at 5 ticks/second)
+- 1 game day = 24 game hours = 4.8 real seconds
+- Full 30-day loop ≈ 2.4 real minutes
+
+### Incursion Mechanic
+
+**Incursion Strength Formula:**
+```
+if (day < 20): incursionStrength = 0
+else: incursionStrength = min(0.95, (totalHours / maxHours) × 0.95)
+```
+
+**Effects:**
+- Reduces mana regeneration by `(1 - incursionStrength)`
+- Starts at 0% on Day 20, reaches 95% by Day 30
+- Creates urgency to complete objectives before loop ends
+
+---
+
+## Spire & Floor System
+
+### Floor Generation
+
+**Floor Element Cycle:**
+```javascript
+FLOOR_ELEM_CYCLE = ["fire", "water", "air", "earth", "light", "dark", "death"]
+element = FLOOR_ELEM_CYCLE[(floor - 1) % 7]
+```
+
+**Floor HP Formula:**
+```
+normalFloorHP = floor(100 + floor × 50 + floor^1.7)
+guardianFloorHP = GUARDIANS[floor].hp // Fixed values
+```
+
+**Guardian Floors:** 10, 20, 30, 40, 50, 60, 80, 90, 100
+
+### Room Types
+
+| Room Type | Chance | Description |
+|-----------|--------|-------------|
+| **Combat** | Default | Single enemy, normal combat |
+| **Guardian** | Fixed | Boss floor, always on guardian floors |
+| **Swarm** | 15% | 3-6 enemies with 40% HP each |
+| **Speed** | 10% | Enemy with dodge chance (25% base + 0.5%/floor) |
+| **Puzzle** | 20% on puzzle floors | Progress-based, faster with relevant attunement |
+
+### Swarm Room Configuration
+```javascript
+SWARM_CONFIG = {
+  minEnemies: 3,
+  maxEnemies: 6,
+  hpMultiplier: 0.4,    // Each enemy has 40% of normal HP
+  armorBase: 0,
+  armorPerFloor: 0.01   // +1% armor per 10 floors
+}
+```
+
+### Speed Room Configuration
+```javascript
+SPEED_ROOM_CONFIG = {
+  baseDodgeChance: 0.25,   // 25% base
+  dodgePerFloor: 0.005,    // +0.5% per floor
+  maxDodge: 0.50           // Cap at 50%
+}
+```
+
+### Armor Scaling
+```javascript
+FLOOR_ARMOR_CONFIG = {
+  baseChance: 0,           // No armor before floor 10
+  chancePerFloor: 0.01,    // +1% chance per floor after 10
+  maxArmorChance: 0.5,     // Max 50% of floors have armor
+  minArmor: 0.05,          // Min 5% damage reduction
+  maxArmor: 0.25           // Max 25% on non-guardians
+}
+```
+
+---
+
+## Combat System
+
+### Spell Casting Mechanics
+
+**Cast Progress:**
+```
+progressPerTick = HOURS_PER_TICK × spellCastSpeed × totalAttackSpeed
+```
+
+**Spell Cast Speed:**
+- Each spell has a `castSpeed` value (casts per hour)
+- Higher = faster casting
+- Lightning spells get +30% effective cast speed
+
+**Damage Calculation:**
+```
+baseDamage = spellDamage + (combatTrainLevel × 5)
+pctBonus = 1 + (arcaneFuryLevel × 0.1)
+elemMastery = 1 + (elementalMasteryLevel × 0.15)
+pactMultiplier = product of all signed pact multipliers
+elementalBonus = getElementalBonus(spellElement, floorElement)
+
+finalDamage = baseDamage × pctBonus × pactMultiplier × elemMastery × elementalBonus
+```
+
+### Elemental Effectiveness
+
+| Condition | Multiplier |
+|-----------|------------|
+| Spell same element as floor | 1.25x (25% bonus) |
+| Spell is opposite of floor element | 1.50x (Super Effective) |
+| Spell's opposite matches floor | 0.75x (Not Very Effective) |
+| Raw mana spells | 1.00x (No bonus) |
+
+**Element Opposites:**
+```
+Fire ↔ Water
+Air ↔ Earth
+Light ↔ Dark
+Lightning ↔ (none, but has armor pierce)
+```
+
+### Armor & Damage Reduction
+
+**Effective Damage:**
+```
+effectiveArmor = max(0, enemyArmor - armorPierce)
+damageDealt = damage × (1 - effectiveArmor)
+```
+
+**Armor Pierce Sources:**
+- Lightning spells: 20-50% pierce
+- Metal spells: 25-60% pierce
+- Golems: 15-60% pierce
+
+### Critical Hits
+
+```
+critChance = precisionLevel × 0.05
+critMultiplier = 1.5 (base)
+```
+
+### AOE Mechanics
+
+```
+aoeDamage = baseDamage × (1 - 0.1 × (numTargets - 1))
+// 10% less damage per additional target
+```
+
+### Special Combat Effects
+
+| Effect | Description |
+|--------|-------------|
+| **Burn** | Damage over time |
+| **Freeze** | Prevents dodge (100% freeze = no dodge) |
+| **Stun** | Temporary disable |
+| **Pierce** | Ignores percentage of armor |
+| **Chain** | Hits multiple targets |
+| **AOE** | Area damage |
+| **Buff** | Damage multiplier |
+
+---
+
+## Guardian & Pact System
+
+### Guardian Floors & Stats
+
+| Floor | Guardian | Element | HP | Pact Mult | Armor | Unique Perk |
+|-------|----------|---------|-----|-----------|-------|-------------|
+| 10 | Ignis Prime | Fire | 5,000 | 1.5x | 10% | Fire spells cast 10% faster |
+| 20 | Aqua Regia | Water | 15,000 | 1.75x | 15% | Water spells +15% damage |
+| 30 | Ventus Rex | Air | 30,000 | 2.0x | 18% | Air spells 15% crit chance |
+| 40 | Terra Firma | Earth | 50,000 | 2.25x | 25% | Earth spells +25% vs guardians |
+| 50 | Lux Aeterna | Light | 80,000 | 2.5x | 20% | Light spells reveal weaknesses (+20% dmg) |
+| 60 | Umbra Mortis | Dark | 120,000 | 2.75x | 22% | Dark spells +25% vs armored |
+| 80 | Mors Ultima | Death | 250,000 | 3.25x | 25% | Death spells execute <20% HP |
+| 90 | Primordialis | Void | 400,000 | 4.0x | 30% | Void spells ignore 30% resistance |
+| 100 | The Awakened One | Stellar | 1,000,000 | 5.0x | 35% | All spells +50% dmg, 25% faster |
+
+### Guardian Boons
+
+When a pact is signed, the guardian grants permanent boons:
+
+| Boon Type | Effect | Example |
+|-----------|--------|---------|
+| `maxMana` | +Max raw mana | +50 to +500 |
+| `manaRegen` | +Regen/hour | +0.5 to +2 |
+| `castingSpeed` | +% cast speed | +5% |
+| `elementalDamage` | +% element damage | +5% to +20% |
+| `rawDamage` | +% all damage | +10% |
+| `critChance` | +% crit chance | N/A |
+| `critDamage` | +% crit multiplier | +15% |
+| `insightGain` | +% insight | +10% to +25% |
+
+### Pact Ritual
+
+**Pact Costs:**
+```javascript
+pactCost: 500 to 150,000 (raw mana)
+pactTime: 2 to 24 (hours for ritual)
+```
+
+**Victory Condition:**
+- Defeat floor 100 guardian AND sign the pact
+- Awards 3x normal insight
+
+---
+
+## Attunement System
+
+### Overview
+
+Attunements are class-like specializations that grant unique capabilities and skill access.
+
+### The Three Attunements
+
+#### 1. Enchanter (Right Hand) ✅ Fully Implemented
+
+| Property | Value |
+|----------|-------|
+| **Slot** | Right Hand |
+| **Primary Mana** | Transference |
+| **Raw Regen** | +0.5/hour base |
+| **Conversion** | 0.2 raw→transference/hour |
+| **Unlock** | Starting attunement |
+
+**Capabilities:**
+- Enchanting equipment
+- Disenchanting for mana recovery
+
+**Skill Categories Unlocked:**
+- `enchant` - Enchanting efficiency
+- `effectResearch` - Unlock enchantment effects
+
+---
+
+#### 2. Invoker (Chest) ⚠️ Partially Implemented
+
+| Property | Value |
+|----------|-------|
+| **Slot** | Chest |
+| **Primary Mana** | None (gains from pacts) |
+| **Raw Regen** | +0.3/hour base |
+| **Conversion** | None |
+| **Unlock** | Defeat first guardian |
+
+**Capabilities:**
+- Form pacts with guardians
+- Access guardian powers
+- Elemental mastery through pacts
+
+**Skill Categories Unlocked:**
+- `invocation` - ⚠️ No skills defined
+- `pact` - ⚠️ No skills defined
+
+---
+
+#### 3. Fabricator (Left Hand) ✅ Implemented
+
+| Property | Value |
+|----------|-------|
+| **Slot** | Left Hand |
+| **Primary Mana** | Earth |
+| **Raw Regen** | +0.4/hour base |
+| **Conversion** | 0.25 raw→earth/hour |
+| **Unlock** | Prove crafting worth |
+
+**Capabilities:**
+- Golem crafting
+- Gear crafting
+- Earth shaping
+
+**Skill Categories Unlocked:**
+- `fabrication` - Crafting efficiency
+- `golemancy` - Golem control
+
+### Attunement Leveling
+
+**XP Formula:**
+```
+Level 2: 1,000 XP
+Level 3: 2,500 XP
+Level 4: 5,000 XP
+Level 5: 10,000 XP
+Each level: 2× previous (approximately)
+Max Level: 10
+```
+
+**Level Scaling:**
+```
+regenMultiplier = 1.5^(level - 1)
+conversionRate = baseRate × 1.5^(level - 1)
+```
+
+**XP Sources:**
+- Enchanting: 1 XP per 10 capacity used
+
+---
+
+## Skill System
+
+### Skill Categories
+
+| Category | Attunement | Description |
+|----------|------------|-------------|
+| `mana` | Core | Max mana, regen, element cap |
+| `study` | Core | Study speed, cost reduction |
+| `research` | Core | Click bonuses, advanced meditation |
+| `ascension` | Core | Insight, guardian damage |
+| `enchant` | Enchanter | Enchanting efficiency |
+| `effectResearch` | Enchanter | Unlock enchantment effects |
+| `invocation` | Invoker | ⚠️ Not implemented |
+| `pact` | Invoker | ⚠️ Not implemented |
+| `fabrication` | Fabricator | Crafting speed |
+| `golemancy` | Fabricator | Golem control |
+| `craft` | Legacy | Basic crafting |
+
+### Core Skills
+
+| Skill | Max | Effect | Study Time |
+|-------|-----|--------|------------|
+| Mana Well | 10 | +100 max mana/level | 4h |
+| Mana Flow | 10 | +1 regen/level | 5h |
+| Elem. Attunement | 10 | +50 element cap/level | 4h |
+| Mana Overflow | 5 | +25% click mana/level | 6h |
+| Quick Learner | 10 | +10% study speed/level | 4h |
+| Focused Mind | 10 | -5% study cost/level | 5h |
+| Meditation Focus | 1 | 2.5x regen after 4h | 6h |
+
+### Skill Tier Evolution
+
+**5-Tier System:**
+```
+Tier 1: Base skill (multiplier ×1)
+Tier 2: Enhanced (multiplier ×10)
+Tier 3: Master (multiplier ×100)
+Tier 4: Legendary (multiplier ×1,000)
+Tier 5: Mythic (multiplier ×10,000)
+```
+
+**Tier Up:**
+- Requires max level (10) in current tier
+- Unlocks new skill ID (e.g., `manaWell_t2`)
+
+### Milestone Upgrades
+
+**At Level 5 and Level 10:**
+- Choose 2 upgrades from 4+ options
+- Upgrades can be stat multipliers, bonuses, or special effects
+- Some upgrades have upgrade paths
+
+**Example Mana Well Tier 1 Upgrades:**
+| Level | Upgrade | Effect |
+|-------|---------|--------|
+| 5 | Expanded Capacity | +25% max mana |
+| 5 | Natural Spring | +0.5 regen |
+| 5 | Mana Threshold | +30% max, -10% regen |
+| 10 | Deep Reservoir | +50% max (replaces Expanded) |
+| 10 | Deep Wellspring | +50% meditation efficiency |
+
+### Enchanter Skills
+
+| Skill | Max | Requirement | Effect |
+|-------|-----|-------------|--------|
+| Enchanting | 10 | Enchanter 1 | Unlocks enchantment design |
+| Efficient Enchant | 5 | Enchanter 2, Enchanting 3 | -5% capacity cost/level |
+| Disenchanting | 3 | Enchanter 1, Enchanting 2 | +20% mana recovery/level |
+| Enchant Speed | 5 | Enchanter 1, Enchanting 2 | -10% time/level |
+| Scroll Crafting | 3 | Enchanter 3, Enchanting 5 | ⚠️ Not implemented |
+| Essence Refining | 5 | Enchanter 2, Enchanting 4 | +10% effect power/level |
+
+### Golemancy Skills
+
+| Skill | Max | Requirement | Effect |
+|-------|-----|-------------|--------|
+| Golem Mastery | 5 | Fabricator 2 | +10% golem damage/level |
+| Golem Efficiency | 5 | Fabricator 2 | +5% attack speed/level |
+| Golem Longevity | 3 | Fabricator 3 | +1 floor duration/level |
+| Golem Siphon | 3 | Fabricator 3 | -10% maintenance/level |
+| Advanced Golemancy | 1 | Fabricator 5, Mastery 3 | Unlock hybrid golems |
+
+---
+
+## Equipment & Enchantment System
+
+### Equipment Slots
+
+```
+mainHand   - Staves, Wands, Swords
+offHand    - Shields, Catalysts
+head       - Hoods, Hats, Helms
+body       - Robes, Armor
+hands      - Gloves, Gauntlets
+feet       - Boots, Shoes
+accessory1 - Rings, Amulets
+accessory2 - Rings, Amulets
+```
+
+### Equipment Categories
+
+| Category | Slots | Description |
+|----------|-------|-------------|
+| Caster | Main Hand | Staves and wands for spellcasting |
+| Sword | Main Hand | Magic swords with weapon enchants |
+| Catalyst | Main Hand | Amplifies magical effects |
+| Shield | Off Hand | Defensive equipment |
+| Head/Body/Hands/Feet | Respective | Armor pieces |
+| Accessory | Accessory1/2 | Rings and amulets |
+
+### Equipment Instance Structure
+
+```typescript
+interface EquipmentInstance {
+  instanceId: string;      // Unique ID
+  typeId: string;          // Reference to EquipmentType
+  name: string;
+  enchantments: AppliedEnchantment[];
+  usedCapacity: number;    // Current capacity used
+  totalCapacity: number;   // Max capacity
+  rarity: 'common' | 'uncommon' | 'rare' | 'epic' | 'legendary' | 'mythic';
+  quality: number;         // 0-100
+}
+```
+
+### Enchantment Process (3 Stages)
+
+#### Stage 1: Design
+- Create enchantment design
+- Select effects from unlocked pool
+- Calculate capacity cost
+- Time: Base 1h + 0.5h per effect stack
+
+**Capacity Cost Formula:**
+```
+totalCost = Σ(effect.baseCost × (1 + 0.2 × stackIndex) × (1 - efficiencyBonus))
+```
+
+#### Stage 2: Prepare
+- Prepare equipment for enchanting
+- Mana cost: capacity × 10
+- Time: 2h + 1h per 50 capacity
+
+#### Stage 3: Apply
+- Apply enchantment design
+- Mana per hour: 20 + 5 per effect stack
+- Time: 2h + 1h per effect stack
+- Grants Enchanter XP: 1 XP per 10 capacity
+
+### Enchantment Effect Categories
+
+| Category | Description | Equipment Types |
+|----------|-------------|-----------------|
+| **Spell** | Grants spell ability | Casters only |
+| **Mana** | Max/regen/click bonuses | Casters, Catalysts, Head, Body, Accessories |
+| **Combat** | Damage, crit, speed | Casters, Hands |
+| **Utility** | Study, meditation, insight | Most equipment |
+| **Special** | Unique effects | Various |
+| **Elemental** | Weapon enchantments | Swords, Casters |
+
+### Starting Equipment
+
+| Slot | Item | Enchantment | Capacity |
+|------|------|-------------|----------|
+| Main Hand | Basic Staff | Mana Bolt spell | 50/50 |
+| Body | Civilian Shirt | None | 0/30 |
+| Feet | Civilian Shoes | None | 0/15 |
+
+---
+
+## Golemancy System
+
+### Golem Slots
+
+```
+Fabricator Level 2: 1 slot
+Fabricator Level 4: 2 slots
+Fabricator Level 6: 3 slots
+Fabricator Level 8: 4 slots
+Fabricator Level 10: 5 slots
+
+slots = floor(fabricatorLevel / 2)
+```
+
+### Golem Types
+
+#### Base Golems
+
+| Golem | Element | Damage | Speed | Armor Pierce | Unlock |
+|-------|---------|--------|-------|--------------|--------|
+| Earth Golem | Earth | 8 | 1.5/h | 15% | Fabricator 2 |
+
+#### Elemental Variants
+
+| Golem | Element | Damage | Speed | Pierce | Unlock |
+|-------|---------|--------|-------|--------|--------|
+| Steel Golem | Metal | 12 | 1.2/h | 35% | Metal mana unlocked |
+| Crystal Golem | Crystal | 18 | 1.0/h | 25% | Crystal mana unlocked |
+| Sand Golem | Sand | 6 | 2.0/h | 10% | Sand mana unlocked |
+
+#### Advanced Hybrid Golems (Enchanter 5 + Fabricator 5)
+
+| Golem | Elements | Damage | Speed | Pierce | Special |
+|-------|----------|--------|-------|--------|---------|
+| Lava Golem | Earth + Fire | 15 | 1.0/h | 20% | AOE 2 |
+| Galvanic Golem | Metal + Lightning | 10 | 3.5/h | 45% | Fast |
+| Obsidian Golem | Earth + Dark | 25 | 0.8/h | 50% | High damage |
+| Prism Golem | Crystal + Light | 20 | 1.5/h | 35% | AOE 3 |
+| Quicksilver Golem | Metal + Water | 8 | 4.0/h | 30% | Very fast |
+| Voidstone Golem | Earth + Void | 40 | 0.6/h | 60% | Ultimate |
+
+### Golem Costs
+
+**Summon Cost (one-time per floor):**
+```
+Earth Golem: 10 Earth
+Steel Golem: 8 Metal + 5 Earth
+Crystal Golem: 6 Crystal + 3 Earth
+```
+
+**Maintenance Cost (per tick):**
+```
+Earth Golem: 0.5 Earth/hour
+Steel Golem: 0.6 Metal + 0.2 Earth/hour
+```
+
+### Golem Duration
+
+```
+baseDuration = 1 floor
+with Golem Longevity: +1 floor per level (max 4 floors)
+```
+
+### Golem Combat
+
+**Attack Progress:**
+```
+progressPerTick = HOURS_PER_TICK × attackSpeed × efficiencyBonus
+```
+
+**Damage:**
+```
+damage = baseDamage × (1 + golemMastery × 0.1)
+```
+
+---
+
+## Prestige/Loop System
+
+### Loop End Conditions
+
+| Condition | Result |
+|-----------|--------|
+| Day 30 reached | Loop ends, gain insight |
+| Floor 100 + Pact 100 signed | Victory! 3× insight |
+
+### Insight Formula
+
+```
+baseInsight = floor(maxFloorReached × 15 + totalManaGathered / 500 + signedPacts.length × 150)
+finalInsight = floor(baseInsight × (1 + insightAmpLevel × 0.25) × skillBonus)
+```
+
+### Prestige Upgrades
+
+| Upgrade | Max | Cost | Effect |
+|---------|-----|------|--------|
+| Mana Well | 5 | 500 | +500 starting max mana |
+| Mana Flow | 10 | 750 | +0.5 permanent regen |
+| Deep Memory | 5 | 1000 | +1 memory slot |
+| Insight Amp | 4 | 1500 | +25% insight gain |
+| Spire Key | 5 | 4000 | Start at floor +2 |
+| Temporal Echo | 5 | 3000 | +10% mana generation |
+| Steady Hand | 5 | 1200 | -15% durability loss |
+| Ancient Knowledge | 5 | 2000 | Start with blueprint |
+| Elemental Attune | 10 | 600 | +25 element cap |
+| Spell Memory | 3 | 2500 | Start with random spell |
+| Guardian Pact | 5 | 3500 | +10% pact multiplier |
+| Quick Start | 3 | 400 | +100 starting mana |
+| Elem. Start | 3 | 800 | +5 each unlocked element |
+
+### Memory System
+
+- **Base slots:** 3
+- **Additional:** +1 per Deep Memory level
+- **Memories:** Spells or skills preserved across loops
+
+---
+
+## Achievement System
+
+### Achievement Categories
+
+| Category | Description |
+|----------|-------------|
+| `mana` | Mana gathering milestones |
+| `combat` | Combat achievements |
+| `progression` | Floor/guardian progression |
+| `crafting` | Equipment and enchanting |
+| `prestige` | Loop and insight milestones |
+
+### Achievement Rewards
+
+| Reward Type | Effect |
+|-------------|--------|
+| `insight` | One-time insight bonus |
+| `manaBonus` | Permanent max mana |
+| `damageBonus` | Permanent damage increase |
+| `regenBonus` | Permanent regen increase |
+| `title` | Cosmetic title |
+| `unlockEffect` | Unlocks enchantment effect |
+
+---
+
+## Formulas & Calculations
+
+### Damage Calculation (Complete)
+
+```javascript
+function calcDamage(state, spellId, floorElement) {
+  const spell = SPELLS_DEF[spellId];
+  
+  // Base damage
+  let damage = spell.dmg + (state.skills.combatTrain || 0) * 5;
+  
+  // Percentage multipliers
+  damage *= 1 + (state.skills.arcaneFury || 0) * 0.1;
+  
+  // Elemental mastery
+  damage *= 1 + (state.skills.elementalMastery || 0) * 0.15;
+  
+  // Guardian bane (vs guardians only)
+  if (isGuardian) {
+    damage *= 1 + (state.skills.guardianBane || 0) * 0.2;
+  }
+  
+  // Pact multiplier
+  damage *= state.signedPacts.reduce((m, f) => m * GUARDIANS[f].pact, 1);
+  
+  // Elemental effectiveness
+  damage *= getElementalBonus(spell.elem, floorElement);
+  
+  // Critical hit
+  const critChance = (state.skills.precision || 0) * 0.05;
+  if (Math.random() < critChance) {
+    damage *= 1.5;
+  }
+  
+  // Equipment effects
+  damage *= effects.baseDamageMultiplier;
+  damage += effects.baseDamageBonus;
+  
+  // Armor reduction
+  const effectiveArmor = Math.max(0, enemyArmor - armorPierce);
+  damage *= (1 - effectiveArmor);
+  
+  return Math.floor(damage);
+}
+```
+
+### Study Time Calculation
+
+```javascript
+effectiveStudyTime = baseStudyTime × tier / studySpeedMultiplier
+
+studySpeedMultiplier = 1 + (quickLearnerLevel × 0.1) + equipmentBonus
+```
+
+### Study Cost Calculation
+
+```javascript
+effectiveCost = floor(baseCost × (currentLevel + 1) × tier × costMultiplier)
+
+costMultiplier = 1 - (focusedMindLevel × 0.05)
+```
+
+### DPS Calculation
+
+```javascript
+dps = (damage × castSpeed × attackSpeedMultiplier) / hour
+```
+
+---
+
+## System Interactions
+
+### Primary Interaction Map
+
+```
+┌─────────────────────────────────────────────────────────────────────────┐
+│                         CORE SYSTEM INTERACTIONS                         │
+├─────────────────────────────────────────────────────────────────────────┤
+│                                                                          │
+│    ┌──────────┐         ┌──────────┐         ┌──────────┐              │
+│    │   MANA   │────────▶│  SKILLS  │────────▶│  COMBAT  │              │
+│    └──────────┘         └──────────┘         └──────────┘              │
+│         │                    │                    │                     │
+│         │                    │                    │                     │
+│         ▼                    ▼                    ▼                     │
+│    ┌──────────┐         ┌──────────┐         ┌──────────┐              │
+│    │ATTUNEMENT│────────▶│ENCHANTING│────────▶│  SPIRE   │              │
+│    └──────────┘         └──────────┘         └──────────┘              │
+│         │                    │                    │                     │
+│         │                    │                    │                     │
+│         ▼                    ▼                    ▼                     │
+│    ┌──────────┐         ┌──────────┐         ┌──────────┐              │
+│    │GOLEMANCY │         │EQUIPMENT │────────▶│ GUARDIAN │              │
+│    └──────────┘         └──────────┘         └──────────┘              │
+│                                                     │                    │
+│                                                     ▼                    │
+│                                              ┌──────────┐               │
+│                                              │   PACT   │               │
+│                                              └──────────┘               │
+│                                                     │                    │
+│                                                     ▼                    │
+│                                              ┌──────────┐               │
+│                                              │ PRESTIGE │               │
+│                                              └──────────┘               │
+└─────────────────────────────────────────────────────────────────────────┘
+```
+
+### Key System Dependencies
+
+| System | Depends On | Unlocks/Enables |
+|--------|------------|-----------------|
+| **Skills** | Mana (cost) | All combat/crafting bonuses |
+| **Enchanting** | Enchanter attunement, Skills | Equipment spells, bonuses |
+| **Golemancy** | Fabricator attunement, Earth mana | Additional combat damage |
+| **Pacts** | Guardian defeat | Permanent multipliers, boons |
+| **Prestige** | Loop completion | Permanent upgrades, memories |
+| **Equipment** | Crafting/Blueprints | Spell access, stat bonuses |
+
+### Progression Gates
+
+1. **Early Game (Floors 1-10):**
+   - Mana gathering and regen
+   - Basic skills (mana, study categories)
+   - Starting equipment
+
+2. **Mid Game (Floors 10-40):**
+   - First guardian pacts
+   - Attunement unlocking
+   - Equipment enchanting
+   - Golemancy (Fabricator)
+
+3. **Late Game (Floors 40-80):**
+   - Compound/exotic elements
+   - Hybrid golems
+   - Skill tier evolution
+   - Advanced enchantments
+
+4. **End Game (Floors 80-100):**
+   - Void/Stellar/Crystal spells
+   - Ultimate golems
+   - Victory preparation
+
+---
+
+## Appendix: Known Issues
+
+### Missing Implementations
+
+1. **Invocation Skills** - Category defined but no skills
+2. **Pact Skills** - Category defined but no skills
+3. **Scroll Crafting** - Skill exists, no system
+4. **Field Repair** - Skill exists, no repair system
+
+### Balance Concerns
+
+1. Exotic elements require extreme mana investment
+2. Incursion creates hard time pressure without counterplay
+3. Equipment progression limited after starting gear
+
+---
+
+*End of Game Briefing Document*