- Is the Spanish Inquisition on steroids. Or ice. Or both.
- Roots out heresy, mutation and alien influence within the Imperium.
- Is as conflicted and corrupt within itself as it is brutal without.

Takes up two thirds of the Milky Way Galaxy. Is a futurist’s nightmare fusion of Dickens’ Industrial Revolution and Verhoeven’s Starship Troopers […]
Is the dangerous other-realm thorugh which starships must travel to go between stars. Is only navigable by a particular breed of psyker […]
Is the Imperial term for a discrete, self-contained commando unit. Is the standard operational unit of the Deathwatch. Is, in the Deathwatch […]
Have been defined in Warhammer 40,000 lore (including the Deathwatch Core Rulebook) for several years as unable to exist due to the […]