The Horus Heresy is a pivotal moment in the Warhammer 40,000 lore, marking a turning point in the history of the Imperium. The event is characterized by the corruption of Horus, the most trusted servant of the Emperor, by the Chaos gods. Horus, once a loyal and trusted leader, becomes seduced by the power and promises of the Chaos gods, leading him to rebel against the Emperor.
Forgiveness is not a purpose. It is a leash.
The Horus Heresy community is currently transitioning through a major rules shift, with "Third Edition" updates and official legacy digital releases dominating discussions on platforms like and Reddit .
