Chaosium 

Master mind-shattering horror in this 40th anniversary edition of the Keeper Rulebook. Everything needed to run Call of Cthulhu 7e: rules, Mythos lore, monsters, magic, and adventures.


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Keeper Rulebook

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Amidst the Ancient Trees

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Crimson Letters

Cthulhu: Keeper Rulebook

Call of Cthulhu 7e

The daughter of a local industrialist has been kidnapped

Cthulhu: Mythos Bundle

The adventure begins at the ill-starred Miskatonic University

The Keeper Rulebook, contains the core rules, background, guidance, spells, and monsters of the game. It is everything you need for Call of Cthulhu at your fingertips, and will enhance all of your games. The Keeper Rulebook is intended for use by the Keeper of Arcane Lore—the Game Master who will present the scenario to the other players.

Join the adventure