Foundry VTT Combat System

Domain: Foundry VTT Module/System Development Status: Production-Ready Last Updated: 2026-01-05

Overview

Foundry's combat system manages turn-based encounters through Combat and Combatant documents. Understanding the combat lifecycle is essential for game system development.

When to Use This Skill

• Implementing initiative rolling formulas
• Managing turn order and round progression
• Hooking into combat events
• Extending combat behavior for game systems
• Creating combat-related UI features

Combat Document