Inquisitor Ravenor

The famous trilogy by Dan Abnet is dedicated to the glorious deeds of Imperial Inquisitor Ravenor and his team of fearless operatives.
All three novels, supplemented with stories and the author's preface, in one cover!
In the forty-first millennium, the Inquisition conducts... a secret war against the enemies of humanity - xenos, demons, and heretics. Gideon Ravenor is a powerful psyker with virtually unlimited powers - and a hopeless cripple confined to a life-support capsule. For many years and parsecs, he and his team have been pursuing the elusive heretic Sigmund Malok, a notorious sociopath and sorcerer who sows chaos and destruction in the worlds of the Imperium. Pursuing the enemy in both explored space and the wild fringes of the Galaxy, Ravenor will find himself on the brink of death multiple times and will suffer many losses. Victory in this confrontation will prove to be Pyrrhic.
As, indeed, most victories in a world where there is only war and the laughter of thirsty gods...