Mortarion's Heart

In this gripping audiobook, the daemon prince Mortarion leads a devastating plague-horde against the Imperium, prompting an unprecedented mobilization of the Grey Knights under Supreme Grand Master Geronitan. As they confront the formidable daemon army on the plains of Kornovin, Geronitan's sudden defeat by Mortarion forces the Grey Knights to navigate a precarious path. With the Inquisition watching closely, the brotherhood must quickly appoint a new leader and abandon thoughts of revenge to prevent a catastrophic failure.