Grandfather's Gift - A Mortarion Story (Short Story)

Grandfather's Gift - A Mortarion Short Story is the sixty-second short story published in the Horus Heresy Series that was not originally part of an anthology novel. Duty Waits was first published on day 4 of the Black Library's 2017 Advent Calendar.

Synopsis
When Mortarion, Daemon Primarch of the Death Guard Traitor Legion, awakes in a strange garden with no memory of who he is, he cannot know what delights await him in its rotting tranquility. Above all things, Papa Nurgle is a generous god.