Age of Darkness: Saturnine (ENG) - The Horus Heresy

 The galaxy burns! Warmaster Horus has betrayed the Emperor and plunged the Imperium into civil war! An age of darkness has descended upon the galaxy. It is a war of brother against brother, Space Marine against Space Marine, which has seen the might of the Imperium's vast armies turned upon itself in a cataclysm of fire and blood.