Black Templars Chaplain Grimaldus leads the defence of Hive Helsreach, a city in the path of a massive greenskin force on the war-wracked world of Armageddon. Battle rages and the Black Templars win several vital battles, but as the ork numbers grow and the Imperial defenders dwindle, Grimaldus and his loyal Sword Brethren are forced into a desperate last stand that will test the Chaplain's resolve and leadership to their limits.
Aaron Dembski-Bowden is the author of the Horus Heresy novels Betrayer and The First Heretic, as well as the novella Aurelian and the audio drama Butcher's Nails, for the same series. He also wrote The Talon of Horus, the popular Night Lords series, the Space Marine Battles book Helsreach, the Grey Knights novel The Emperor's Gift and numerous short stories. He lives and works in Northern Ireland.