Howl of the Hearthworld is a short story published in the Horus Heresy Series. Howl of the Hearthworld was originally published simultaneously as a part of the anthology novella Death and Defiance and as a stand-alone E-Book. It is now also included in the War Without End anthology novel.
In the wake of Prospero and Magnus the Red's betrayal, Space Wolves Watch Packs were sent to keep an eye on each Primarch, ready to strike should treachery rear its head. One Pack made their way to Terra itself, assigned to the Emperor's Praetorian, Rogal Dorn...
- Howl of the Hearthworld (Short Story) by Aaron Dembski-Bowden