Following Feretory, Heretic is a print and PDF zine that collects recent Mork Bork Cult free content and adds several pieces by the MB designers.

MBC Content:
Adventure: Graves Left Wanting – Karl Druid
Adventure: Sepulcher of the Swamp Witch – Christian Sahlén.
Adventure: Bloat – Greg Saunders.
Rules: Unheroic Feats. – Johnny Carhat.
Rules: Blackpowder Weapons for the Rich and Foolhardy. – Ian McClung.
Class: Sacrilegious Songbird – Karl Druid.
Class: Shedding Vicar. – Cameron James.
Creature: The Merchant. – Johnny Carhat.
Creature: The Bone Bowyer. – Matthew Bottiglieri.

Official content:
Creature: Borg Bitor.
Creature: Rotting Nurse.
Adventure: Nurse the Rot.
Rules: Curses and Cures.