BECMI War Machine

Complete D&D Expert Set Campaign Management Suite

Authentic BECMI Rules Implementation • Strategic Domain Management • Tactical Combat Simulation

👥 Mustard Hall Registry

Generate BECMI-compliant characters with proper ability scores, classes, equipment, and retainers. Features 3d6 in order, class restrictions, and authentic gear.

  • 3d6 Ability Scores (In Order)
  • All BECMI Classes & Races
  • Proper Saving Throws & THAC0
  • Authentic Equipment & Retainers
  • Export for Dungeon Integration
🎲 Generate Party

🏰 The Dungeon Delver

Tactical dungeon combat simulation with individual character management, spell casting, morale checks, and treasure generation using authentic BECMI Treasure Types.

  • Individual Character HP Tracking
  • Spell Slot Management
  • BECMI Combat Resolution
  • Morale & Reaction Checks
  • Treasure Type A-O Generation
⚔️ Enter Dungeon

⚖️ Merchant of Darokin

BECMI Expert Set trade simulation with demand modifiers, border tariffs, and caravan logistics. Calculate profits across different terrain types and market conditions.

  • Terrain-Based Demand Modifiers
  • Border Tax Calculations
  • 8 Trade Goods with Real Economics
  • Risk vs. Reward Caravan Planning
  • Guild Membership Benefits
💰 Start Trading

⚗️ Artificer's Lab

Research new spells, brew potions, and enchant magic items using the BECMI Rules Cyclopedia formulas. Manage your library value and research costs.

  • Spell Research & Formula Discovery
  • Potion Brewing & Scroll Scribing
  • Magic Item Creation Logic
  • Library Value Requirements
  • Success/Failure Probability Wheels
🔮 Enter Lab

🏛️ Dominion Administrator

Manage your domain with authentic BECMI Rules Cyclopedia economics. Track population, income, confidence levels, and political relationships with proper alignment mechanics.

  • BECMI Confidence Calculations
  • Specific Resource Types (Salt, Iron, Horses)
  • Alignment-Based Ruler Effects
  • Liege/Vassal Relationships
  • Seasonal Economic Cycles
👑 Rule Your Domain

🏰 Stronghold Architect

Design fortifications and calculate construction costs per BECMI Expert Rules. Plan Keeps, Towers, Walls, and Moats with accurate pricing and construction time.

  • Expert Set Construction Costs
  • Time & Engineer Calculations
  • Terrain Cost Modifiers
  • JSON Design Export
  • Project Tracking
🏗️ Build Stronghold

🚩 War Machine Mass Combat

Simulate large-scale battles using the BECMI War Machine rules. Calculate Battle Force Ratings (BFR), apply tactical modifiers, and resolve sieges with the Combat Results Table.

  • Exact BFR Calculations
  • Tactical Maneuvers (Trap, Envelop, etc.)
  • Siege Engine & Terrain Modifiers
  • Casualty & Rout Tracking
  • Combat Results Table (CRT) Lookup
⚔️ Start Battle

Master Chronometer

Coordinate all campaign activities. Track Dungeon Turns, Wilderness Days, and Dominion Seasons in a unified Mystara calendar with moon phases and event logging.

  • Unified Campaign Timekeeping
  • Track Active Spell/Effect Durations
  • Moon Phase Calculation
  • Seasonal Tracking
  • Event Logging & History
🕰️ Open Calendar

💎 Treasure Hoard Generator

Generate complete treasure hoards using official BECMI tables (Types A-O). Includes coins, variable gem values, jewelry, and magic item sub-tables.

  • Treasure Types A-V + Individual
  • Accurate Percentage Probabilities
  • Variable Gem & Jewelry Values
  • Magic Item Sub-Table Logic
  • Clipboard Export
💰 Generate Hoard

🌲 Royal Cartographer

BECMI wilderness exploration with Movement Points, terrain costs, and authentic encounter tables. Generate hex maps with castles, ruins, and monster lairs.

  • Movement Point System (12 MP/day)
  • BECMI Encounter Tables (Levels 1-3)
  • Terrain-Based MP Costs
  • Castle/Ruin/Lair Generation
  • Weather & Foraging Systems
🗺️ Explore Wilderness

BECMI Campaign Workflow

1. Character Creation
Mustard Hall Registry
2. Wilderness Exploration
Royal Cartographer
3. Dungeon Delving
The Dungeon Delver
4. Domain Management
Dominion Administrator

Seamlessly export/import data between tools to maintain campaign continuity and track character progression.