The Imperium broke itself in the wake of the Heresy. The damage done by the Angel Fallen was something unthinkable, and since then the threats that face the Imperium have grow further. The xenos, mutant and witch continue to assault the loyal worlds of the God-Emperor while the Eye of Terror His traitor sons plot. It is the 41st millennium, and there is only war.

Inspired by the great Dornian Heresy of Aurelius Rex, here is an alternate timeline to the Warhammer 40000 universe, where Guilliman turned traitor instead of Horus, and led half the Legions in rebellion against the Emperor. The Index Astartes are done for all Legions. Now, the Times of Ending have begun ...