It allows them to feed on the corpses of both humans and non-feral ghouls, and with the Old World Blues add-on, additionally on the corpses inside the Y-17 trauma override harnesses. The perk has one rank and requires the Courier to be level four or above. ” - Perk descriptionĬannibal is a perk in Fallout: New Vegas. But every time you feed, you lose Karma, and if the act is witnessed, it is considered a crime against nature. “ With the Cannibal perk, when you're in Sneak mode, you gain the option to eat a corpse to regain Health.