Across the battlefields of the 31st Millennium, Humanity fights for its very survival. The Warmaster, Horus Lupercal, has turned against the Emperor, along with half of the armies of the Imperium. They march relentlessly for Terra, as vast cohorts of titanic war machines clash against each other in a brutal and bloody civil war. This is the Age of Darkness.

This essential gaming supplement for Warhammer: The Horus Heresy – Legions Imperialis collates the army lists for Legiones Astartes, Solar Auxilia, Mechanicum Taghmata, Dark Mechanicum, Collegia Titanica, and Knight Households. Having the Detachments and Formations for each force in one place makes army building easy, and keeping track of your rules in the heat of battle straightforward. The book also contains Iconic Formations and Bonded Cybernetica Support Formations to add even more narrative flavour to your armies.

Inside this 240-page hardback book, you will find:
– Army Lists: Exhaustive Formations and Detachments for Legiones Astartes, Solar Auxilia, Mechanicum Taghmata, Dark Mechanicum, Collegia Titanica, and Knight Households.
– Miniatures Showcases: Painted Legions Imperialis miniatures to inspire you.
– Iconic Formations: Legendary Formations of warriors you can unleash on the battlefield.
– Bonded Cybernetica Support Formations: Cohorts of Legio Cybernetica constructs you can add to your force.

To use the contents of this book, you'll need a copy of the Warhammer: The Horus Heresy – Legions Imperialis Rulebook, which is available separately.