The battle titans and knights of the Imperium are the ultimate engines of war during the Horus Heresy—towering behemoths capable of levelling cities and annihilating entire armies. Bound by ancient oaths to the forces of the Great Crusade, these colossal war machines march into battle alongside their allies, bringing devastation to any who stand in their path. As the Heresy unfolds, the Titans and Knights become instruments of both loyalty and betrayal, their firepower reshaping the galaxy.

The Titans & Knights Army Book is an essential guide for players who want to field the towering war engines of the Questoris Familia and Legio Titanicus in Warhammer: The Horus Heresy. Inside, you’ll find all the rules needed to command these deadly machines, whether you serve the Emperor or have turned to the Warmaster’s cause. This book covers Detachments, unique wargear, and special rules that make Titans and Knights a distinctive force on the tabletop.

Inside this 128-page hardback book, you’ll find:

• Detailed lore and background on the Titan Legions and Questoris Houses, including their traditions, structure, and notable war engines.

• Comprehensive rules and unit profiles for building armies of Titans and Knights, including weapons, wargear, and unique abilities for these devastating machines.

• Engine Kill missions—special scenarios designed for titanic battles between colossal war engines.

• Visual showcases featuring colour schemes, heraldry, and a gallery of beautifully painted Titan and Knight miniatures to inspire your hobby.

Please Note: You will need a copy of the Warhammer: The Horus Heresy – Age of Darkness Rulebook (sold separately) to use this book in your games.