2023 · ソースブック（プレイを拡張するルール／オプション）

Sidekicks for Modern Horror: Book 2 (CoC)

This modern-horror supplement presents three detailed supporting characters for supernatural investigations: Father Michael O’Connor, a parish priest offering spiritual guidance; Grace Tanner, a paranormal blogger and vlogger pursuing unexplained phenomena; and Dr. Leonard Blackwood, a reclusive occult scholar surrounded by ancient texts and artifacts. Each character includes a background, personality, and plot hooks. They can serve as allies, sources of information, or enigmatic figures whose motives and knowledge deepen the mysteries facing the investigators.