This book is an essential guide for anyone looking to command Mechanicum armies in Warhammer: The Horus Heresy. Inside, you'll find all the rules required to unleash the deadly and esoteric forces of the Taghmata Omnissiah, whether they fight in service to the Emperor or have sworn allegiance to the Warmaster. It includes Detachments, Wargear, and special rules that set the Mechanicum apart as a truly unique force on the tabletop.

This 152-page hardback book contains:

• Background and lore: An in-depth look at the Mechanicum, including their structure, beliefs, and examples of battlefield forces.
• Rules and unit profiles: Comprehensive army building guidance along with profiles for units, weapons, and Wargear used by the Mechanicum.
• High Tech Arcana: Faction rules and Detachments for the following traits Archimandrite, Cybernetica, Lacrymaerta, Myrmidax, Reductor, Malagra, and Macrotek.
• Cybertheurgic Rites: Additional rules representing the arcane and unorthodox ways the Mechanicum wages war.
• Machina Malefica: Unit profiles for horrific creations empowered by the Warp.
• Visual showcase: A gallery of beautifully painted miniatures and suggested colour schemes for Mechanicum infantry and vehicles.

Whether you're a long-time devotee of the Machine God or beginning your journey into the mysteries of Mars, this book is a must-have for fielding a Mechanicum force in the Age of Darkness.