Key Features

• Comprehensive sourcebook focused on the worshippers and cults of Great Cthulhu
• Explores the history and evolution of Cthulhu cults across multiple eras
• Includes five fully developed cults ready to use in your campaigns
• Covers settings from the Victorian era through the Roaring Twenties to the modern day
• Reveals hidden lore and long-guarded secrets of the Deathless Masters
• Detailed guidance for creating unique cults, leaders, motivations, and agendas
• Features a practical Cult Worksheet to help build and track custom cults
• Introduces new cultists, Mythos creatures, artifacts, spells, and threats
• Contains three ready-to-play scenarios spanning different time periods
• Examines the role of Cthulhu and its followers within Mythos tomes and forbidden knowledge
• Helps Keepers create believable, complex antagonists beyond traditional faceless cultists
• Ideal for enriching campaigns with intrigue, conspiracy, and cosmic horror