Warhammer: The Horus Heresy – Legions Imperialis Rulebook

Experience the full scale of galactic warfare with Warhammer: The Horus Heresy – Legions Imperialis, a tabletop wargame that brings to life vast armies of Space Marines, Solar Auxilia, Titans of the Collegia Titanica, and many other forces of the Imperium. Set during the Age of Darkness—a catastrophic civil war that shattered Humanity’s greatest empire—each player assumes the role of a commander leading epic scale miniatures across sprawling battlefields. This 240-page hardback book serves as the essential guide for engaging in these colossal conflicts, providing everything needed to collect, assemble, and wage war with epic scale armies. Filled with lore, rules, and visual inspiration, it is the ultimate entry point into the monumental battles of the Horus Heresy.

Within its pages, you will discover an expansive Age of Darkness background section that recounts the rise of the Emperor’s Great Crusade and the tragic collapse into the Horus Heresy, complete with a detailed timeline of key battles. The book also features the Core Rules for Legions Imperialis, covering orders, combat, missions, terrain, special rules, and more, forming the foundation of the game system. Extensive Faction coverage details the various armies that fought in this era, including the power-armoured Space Marines of the Legiones Astartes, with unique rules for all 18 Legions, as well as the elite Solar Auxilia, renowned for their disciplined infantry and formidable vehicles. Additionally, the book presents the towering Strategic Assets of the Collegia Titanica and Knight Households—god-machines whose presence dominates the battlefield.

The hardback volume includes a rich Hobby Showcase featuring beautifully painted epic scale miniatures from the ’Eavy Metal team and talented hobbyists, accompanied by insights into how each army was collected and painted. A comprehensive Reference Section provides quick access to unit statistics and weapon profiles, perfect for use during fast-paced games. Please note that the Detachment rules found on pages 130–212 have been updated and replaced by the content in the Legions Imperialis – Liber Strategia book, available separately. Whether you are beginning a new force or expanding an existing collection, this rulebook is an indispensable companion for all Legions Imperialis commanders.