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Game Master Toolset

Player Characters

Manage your investigator party.
Import character sheets to track player stats, abilities, stress, and damage. View party status at a glance and quickly add characters to combat encounters.

No players added yet. Import character sheets below.

Combat Encounter

Run tactical combat encounters.
Add party members and enemies from your databases, roll initiative, and track health, stress, and damage throughout the fight. End combat to sync changes back to party members.

Add Combatants

Prepare Combat

Run Combat

Combat Tracker

No combatants. Add party members and NPCs to begin.

Non-Player Characters

Populate your world with memorable characters.
Create NPCs with distinct roles, affiliations, and ties to the Entities. Track their abilities, relationships, and secrets to bring depth to your investigators' interactions and the unfolding narrative.

Create New NPC

Select entities...

No NPCs created yet.

Bestiary

Build your collection of horrors.
Create creatures and enemies aligned with the Entities, defining their stats, abilities, and combat behaviors. Export your bestiary as JSON or import pre-made collections to quickly populate encounters.

Create New Enemy

Select entities...

Artefacts

Leitners

Session Planning & Notes

Plan your sessions and track ongoing mysteries.
Use this space to outline session content, track plot threads, note NPC interactions, and manage the web of horror unfolding in your campaign.

Plot Threads & Mysteries

No active plot threads. Add them as your story unfolds.

Session Notes

Record what happens during each session.
Document investigation progress, key events, decisions made, clues discovered, and statements given. Review past sessions to maintain continuity in your campaign.

Session History

No previous sessions recorded yet.

Locations Database

Map the settings of your investigations.
Create and organize locations your investigators will explore. Track which NPCs, enemies, artefacts, and Leitner books are found at each site, building a comprehensive reference for your campaign world.

➕ Create New Location

No NPCs added yet

No enemies added yet

No artefacts added yet

No Leitner books added yet

💾 Save & Load Campaign

Save your campaign world to your computer or load a previously saved campaign to continue your investigations. Data is automatically saved to browser storage every 10 minutes.