Soul Drinkers

The Soul Drinkers were a Renegade Chapter of Space Marines declared Excommunicate Traitoris by the Inquisition because of their extremely high levels of mutation and obvious corruption by Chaos, yet the Soul Drinkers still considered themselves to be loyal to the Emperor of Mankind, if not to His Imperium. The Soul Drinkers originally believed themselves to be a Second Founding Successor Chapter of the Imperial Fists Legion, only for the Chapter’s Astartes to later learn to their shock after an analysis of their gene-seed by the Apothecaries of the Angels Sanguine that they were actually of unknown origin and Founding.