The Black Legion series in Warhammer 40,000 runs to 2 books. Below is the full reading order in series sequence, so you know exactly where to start Black Legion and what to read next.
Original summaries and chronology labels generated from the same catalog powering the atlas.
Aaron Dembski-Bowden
The first novel of the Black Legion series, narrated by the sorcerer Iskandar Khayon, recounting how the shattered remnants of the traitor legions were forged into a new power in the aftermath of the Horus Heresy. It chronicles the rise of Abaddon and reframes the Long War from inside the Eye of Terror, blending dark fantasy and tragedy.
000.M32 - 999.M41
range date, medium confidence
First published 2014
Aaron Dembski-Bowden
The sequel to The Talon of Horus, continuing Khayon's account of Abaddon's campaign to unite the warbands of the Eye of Terror under a single banner. It follows the consolidation of the Black Legion and the opening moves against the Imperium that will define the millennia of the Long War.
000.M32 - 999.M41
range date, medium confidence
First published 2017