Eisenhorn is being hunted by an unknown foe and his operation has been completely dismantled. Pulling together the last of the survivors of his crew, he sets out to learn who is targeting him and why...

A century has passed since the events of Xenos, and Eisenhorn is hunting. Cherubael had slipped through his fingers during the Purge, but nothing will stop him from finding the daemonhost and burning it omce and for all.....not even a heretical conspiracy!

Gregor Eisenhorn is an Imperial Inquisitor tasked with hunting down heretics and preserving the might of the Emperor of Mankind. For six years, Eisenhorn has been hunting facilitator Eyclone, and he's finally caught up to the Chaos agent on Hubris. But Eyclone's schemes are just the tip of the iceberg, and Eisenhorn soon finds himself embroiled in a conspiracy that threatens the rule of man