Home GM ToolkitEncounter Builder

Encounter Builder

Build balanced encounters with CR calculations, terrain modifiers, faction-based encounter tables, and AI-powered generation. Connect a campaign for party-aware encounter design.

Context Source

Party Size

Average Level

Encounter (0 creatures)

Add monsters from Quick-Pick, NPC Builder, or the DB browser below.

Encounter Difficulty

Add monsters to see difficulty.

Suggested CR (groups):CR 1/4–4

Suggested CR (solo boss):CR 6

Quick Reference

Easy — Little threat, minimal resource drain

Medium — One or two scary moments

Hard — Someone might go down

Deadly — Could be a TPK without luck or tactics