Liber Mechanicum: Forces of the Omnissiah Army Book
Masters of the Machine. Servants of the Omnissiah.

In the shadowed forge-temples of Mars and beyond, the Cult Mechanicum toils to unlock the secrets of the universe. Clad in bionics and draped in data-censers, these cybernetic priesthoods command terrifying battle-automata, arcane war engines, and mind-linked cohorts. As the Horus Heresy splits the Imperium, the servants of the Machine God lend their terrifying arsenal to both Loyalist and Traitor causes.

Liber Mechanicum is the essential army book for commanding a Mechanicum force in Warhammer: The Horus Heresy. Whether your allegiance lies with Mars or its rebellious offshoots, this 152-page hardback tome contains all the lore, rules, and unique traits you need to field one of the most powerful and esoteric factions of the Age of Darkness.

📘 Inside this book:

• Extensive lore and background
  – Explore the inner workings of the Mechanicum, their forge worlds, hierarchy, and motives during the Heresy
  – Includes detailed examples of force organisation and battlefield doctrines

• Full rules for the Taghmata Omnissiah
  – Army building guidelines for Mechanicum forces
  – Unit profiles for cybernetic troops, battle-automata, and devastating engines of war
  – Comprehensive Wargear lists and faction-specific upgrades

• High Tech Arcana – Detachment Rules for:
  – Archimandrite
  – Cybernetica
  – Lacrymaerta
  – Myrmidax
  – Reductor
  – Malagra
  – Macrotek

• Cybertheurgic Rites – rules for psychic-techno rituals and arcane battle protocols

• Machina Malefica – profiles for daemon-infused mechanical horrors

• Visual showcase
  – Painting guides, heraldry, and a gallery of beautifully painted Mechanicum models and vehicles

⚠️ You will need a copy of Warhammer: The Horus Heresy – Age of Darkness Rulebook (sold separately) to use this supplement.