FFGDH16 Daemon Hunter - Dark Heresy RPG by Fantasy Flight Game Daemon Hunter is the long-awaited sourcebook covering the Ordo Malleus for the Dark Heresy roleplaying game. Focused on those inquisitors and space marines specifically tasked with hunting daemons, this book includes the history of the Ordo Malleus, new career paths, weapons, and gear designed for fighting daemons, and new demonic powers and villains.