Dreams of Unity (Short Story)

Dreams of Unity is the sixty-fifth short story published in The Horus Heresy series that was not originally part of an anthology novel. Dreams of Unity was first published on day 12 of the Black Library's 2017 Advent Calendar.

Synopsis
It has been many long years since the fall of the Thunder Warriors. After the last battles of Unity, the legions of genhanced warriors were slaughtered by the Emperor's Custodian Guard on the Master of Mankind's orders. But a handful survived... Now one of the last few Thunder Warriors gets caught up in dangerous events that engulf the Throneworld – even as he is hunted by one of the Emperor's Praetorians.