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Release date: 26 July 2025
Warhammer: The Horus Heresy
Format: hardback rules supplement
Covers the Loyalist and Traitor Mechanicum
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Liber Mechanicum is your guide to fielding the Loyalist and Traitor Mechanicum — the cold, relentless forces of the Machine God — in the Age of Darkness. Crammed with background, army rules and artwork, it brings the battle-automata, Tech-Priests and arcane war-engines of Mars to the tabletop in full. A must for Mechanicum commanders.
At a glance
Game: Warhammer: The Horus Heresy
Format: hardback rules supplement
Covers the Loyalist and Traitor Mechanicum
English Language Version
Why you'll want it
Full army rules for the Mechanicum
Rich background and artwork throughout
Everything you need to unleash the cold legions of Mars on the battlefield.
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