The Astranum Incident
Silent and deadly, Plague is largely wreathed in mystery, he never talks and rarely makes noise at all. But this alabaster skinned assassin has proven time and time again that he is death on legs, his name, given to him by Arch Magnar represents the bodies he leaves in his wake.
Plague is likely some kind of mutant, one which bears its mutations on the inside alone, for he appears very much human on the outside.
While some Inquisitors might kill him for his unnatural skills, Inquisitor Orton took Plague in, although it is clear Plague will never rise beyond the rank of an acolyte, he will serve his inquisitor well.