The great grimoire of the Cthulhu Mythos

The spells that make up this volume have been compiled from the Call of Cthulhu supplements, settings, and campaigns that have seen the light of day over the past thirty years. Updated and revised to adapt them to the Guardian Manual of the famous role-playing game, they also incorporate optional heightened magic rules for the use of especially powerful monsters and wizards. Undoubtedly the ideal resource to captivate and confuse the most daring of researchers.

The Great Grimoire of the Cthulhu Mythos is an indispensable supplement for any Guardian of arcane lore.