Kregor Thann is a veteran of countless war zones and a master of biological weaponry. Thann gained renown as the mastermind behind the geno-tailored toxins that made the Purging of Castillium possible, defeating the horrific Thazeme xenos when no other weapon could slay them. In the aftermath of the Purge, Commander Antir petitioned Lord High Commander Ortys to consider Thann for Deathwatch service. Thann arrived at Watch Fortress Erioch in 815.M41, and has served there ever since. Thann was not assigned to a Kill-team, but rather remains as part of Watch Commander Mordigael’s command staff, tasked with engineering a virus or toxin that could be used to combat the Tyranid menace. Like many Apothecaries in the Red Scorpions Chapter, Thann had served as a Sergeant as well as in his role as a