The Dark Mechanicum Rises. Within the depths of the hell-forge, the renegade tech priests and cursed magi prepare a weapon of unimaginable devestation. Blasphemous warriors, engines of destruction and foul transgenic creations spew forth from the bio forges and flesh works of the arch-heretek. As warpcraft and corrupt science conjoin to appease the dark ommnisiah, word is received from the imperium of this new threat, and a combined response is activated. The unstoppable force of three space marine chapters is unleashed on this hellscape as the Imperial Fists, Obsidian Dragons, and the Blood Angels bring death to the heretics. Led by Lord Commander Dante, they must wade through oceans of mutated bio-weapons and unrelenting daemon engines to destroy the doomsday device before it can be unleashed upon the galaxy. Have Dante and his angels of death arrived in time to stop the dark mechanicum, or will the hell-forge consume them all to quell its insatiable hunger…