From Lexicanum

The Emperor's Blades were a sect of Death Cultists that existed within the Imperium of Man.

Overview

They communicated by a intricate form of sign language and its masters or mistresses constantly trained its follower in the ritual form of death blows developed by the cult. Hiring member of the Emperor's Blades requires at least one phial of blood to be taken from each of the Death Cultist's victims and sent to their temple where it is devoted to the Emperor of Mankind.

Inquisitor Eisenhorn investigated the Cult and found that they were puritan followers of the Imperium and completely devoted to the Emperor. He hired the twin sisters Severina and Sevora to serve him in his duties.

External Link

• Inquisitor Rulebook