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Release date: 18 July 2026
Paperback Horus Heresy omnibus
Includes Garro: Knight of Grey and the Era of Ruin anthology
Black Library heavyweights including Abnett and Dembski-Bowden
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The dust of the Siege of Terra hasn't settled, and the wounds run deep. Flames of Betrayal gathers the bruised, dangerous dawn after Horus's fall — treachery, grief and grim resolve, told by some of Black Library's sharpest pens. In Garro: Knight of Grey, the former Death Guard legionary faces his monstrous father, the traitor primarch Mortarion; the Era of Ruin anthology charts the fractured galaxy in the aftermath.
Written by Black Library heavyweights including Dan Abnett, Aaron Dembski-Bowden and James Swallow, it's a tidy entry point if you missed the individual releases.
Paperback omnibus. Keep reading through the aftermath in our Horus Heresy range.
Handpicked recommendations — no bundle or discount, just great reads in the same world.
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