In the immediate aftermath of the Word Bearers' attack on Calth, survivors from both sides were driven into the subterranean shelters. Now the Ultramarines face a new war in the underworld.
In the immediate aftermath of the Word Bearers' attack on Calth, survivors from both sides were driven into the subterranean arcology shelters by the tortured Veridian star. While their primarch Roboute Guilliman had planned for many seemingly unthinkable eventualities, the Ultramarines now face a new war in the underworld - could Steloc Aethon, renowned captain of 'the Honoured' 19th Company, be the one to lead them to ultimate victory over the traitors? Perhaps, if he can master his own bitter desire for vengeance...
The Battle for Calth continues in the haunted shadows of the planet's underworld.
Long considering themselves persecuted by the rest of the Imperium, the apostles of the XVIIth Legion have courted sedition, betrayal and even open heresy for decades. But for Kurtha Sedd of the Third Hand Chapter, the Word Bearers' assault on Calth has proven... troubling. Drawn into the haunted shadows of the planet's underworld, the Chaplain and his devout brethren must now put aside all other concerns and continue to wage war against the Ultramarines, no matter the ultimate cost.