Pathfinder RPG Horror Adventures
Pathfinder RPG Horror Adventures - Rules of Play says:
Pathfinder RPG Horror Adventures gives you everything you need to bring nightmares into reality. Within these pages, you'll find secrets to take your game into the darkest reaches of fantasy, where the dead hunger for the living, alien gods brood in dreams, and madness and death lurk around every corner. Rules for players and GMs alike pit brave champions against a darkness capable of devouring mind, body, and soul. To prepare to face such torments, the heroes can take new feats, learn powerful spells, and even acquire holy relics—for they'll need every edge possible to survive!