The Honoured

"Betrayal at Calth"

- Book's tag-line

The Honoured is a Novella in the Horus Heresy Series, released as a Black Library hardback. The Honoured is part of a duology, the other being The Unburdened, and both were released together in a limited-edition box-set called Betrayal at Calth.

Synopsis
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…