There are individuals who are drawn to worship the evil gods of Chaos eith a promise of ultimate power. Cultists are among these individuals. However, Cultists take their worship too seriously, and travel the Underhive to convert none-believers. Selling their belongings for a life if poverty, Cultists often own nothing but the robes they wear and the weapons they keep. Often, a particularly powerful Cultist will attract a band of followers to embark on a crusade to corrupt the denizens of the Underhive to their cause. These bands of Cultists are known as Covens