The newest sourcebook for Old Gods of Appalachia RPG (see "'Old Gods of Appalachia RPG'") allows players to build upon the rich and complex characters they had created with the core rules. It includes new choose-your-own-adventure style character backgrounds and NPC connections. This book also contains rules for player character bonds, character arcs, player intrusions, descriptors, and foci as well as  advice for playing horror RPGs.