The industrial world of Zybos has fallen to the Black Legion, its colossal foundries slaved to the production of countless foul Daemon Engines.
The Imperial Fists have vowed that the corrupted world will be purged and its hideous creations destroyed.
But the traitors will not give up their prize lightly and as immense exchanges of weapons fire rock the planet’s surface, they unleash a tide of heretical war engines, eager to annihilate the loyalist Space Marines.