Exorcists

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The Exorcists were founded during the 36th Millennium, some time before the start of the Age of Apostasy. The Exorcists are the only known Successor Chapter of the Grey Knights Chapter and were founded as part of a highly-classified Imperial experiment to create Space Marines who were unusually resistant to daemonic possession and Chaotic corruption because as part of their initiation into the Chapter they had actually been forced to serve as daemonhosts for a short time before having the creature expelled back to the Warp by the intervention of an Inquisitor.

Chapter Creation
The Chapter was created through secret Inquisition experiments in which test subjects were deliberately allowed to be possessed by daemons for a time before the daemons were banished by Ordo Malleus Inquisitors. There were casualties, but the majority of test subjects survived and were versed in the ways of combating daemonkind. This has also caused the subjects to have no psychic signature that pskers can detect. The test subjects, two companies strong (200 Space Marines) were released onto a daemon-infested planet where they displayed extremely impressive results.

Chapter Approval
The Exorcists have since been sanctioned as an official Chapter and are often involved in operations overseen by the Ordo Malleus of the Inquisition.

Notable Campaigns
The Exorcists participated in the Badab War, the Gothic War, the Third War for Armageddon and in the defence against the Thirteenth Black Crusade.

Chapter Colours
The Exorcists wear red Power Armor with black trim.

Chapter Badge
The chapter's symbol is a horned skull.