Cohors Cthulhu RPG: Gamesmaster’s Guide

Guide the Hidden Wars in Cohors Cthulhu, an ancient-world roleplaying setting of sinister plots, legendary heroes, and Lovecraftian horror. This 272-page, full-colour hardcover Gamesmaster’s Guide provides dedicated advice and resources for running the game.

• History of the Hidden Wars, major factions, and a guide to the frontier town of Laurium.
• Ancient-world perspectives, gods, and divine pantheons.
• Rules and lore for legendary artifacts, including relics of Atlantis, Hyperborea, and Mythos cults.
• Four complete spellbooks covering Mormo, Nyarlathotep, Cthulhu, and Yog-Sothoth.
• Adversary profiles, Voidforged advancement options, and a detailed plot generator for adventures.