Army of One is the third short story published in the Horus Heresy series and the first that was not originally part of an anthology novel. Army of One was published online in April of 2012, as part of the Black Library's celebration of its fifteen year anniversary. It was later included in the The Silent War anthology novel.
As the Horus Heresy blazes across the galaxy, the Hive World of Proxima Apocryphis turns Traitor and Malcador the Sigillite despatches punishment in the form of a living weapon. Can the Assassin of the Eversor Clade eliminate the planet's governor and restore order?
- Army of One (Short Story) by Rob Sanders