The Horus Heresy Wiki

It is an age of conquest, the birthing of the Imperium. A time of heroism and a time of treachery...


"Humanity rules the stars. The Emperor's Space Marine Legions have conquered the galaxy in his name, ridding the human worlds of their alien oppressors. At their forefront stride the Primarchs. Scions of the Emperor they are like unto gods. Nothing can stand in their way and a new age of triumph beckons for Mankind.

But these are also dangerious times and the fragile new Imperium is about to face its sternest trial. This new threat does not come from alien races but comes from within the ranks of the Primarchs themselves. The Warmaster Horus, his power second only to the Emperor, is about to commit the most heinous treachery. Horus desires ultimate power and will destroy the Emperor to gain it!"