The Space Marine Legions of the 31st Millennium command a diverse and formidable array of genetically enhanced warriors and advanced war machines, superior to any military force in the galaxy. As darkness falls over the sky and the flames of rebellion fan, the armies that forged the Imperium battle each other in the bloody war of the Horus Heresy.

Of the eighteen Space marine Legions, only half are still loyal to their promises. Unprecedented heroes, these Space Marines will do everything they can to protect the Emperor and everything he has built. In the chaos of the Horus Heresy, they stand firm against corruption and fight a bitter war against their treacherous brethren. Only their courage and power will determine the fate of the Imperium.

This book is an essential guide for anyone wanting to command a Loyalist Legiones Astartes army. It contains everything you need to send your units to war, from information about the different units to how all weapons work and the special rules for the Loyalist Legions - such as their Rites of War, special armaments and their unique units. To use this book, a copy of Warhammer – The Horus Heresy – Age of Darkness is required.

Note: the description is machine translated and might contain errors.