Imperial Armour - Index: Forces of Chaos is the complete reference book for using Forge World's range of Chaos models in apocalyptic games of Warhammer 40,000. Within this book are the updated unit datasheets for the dread commanders of the Chaos Legions and the Hellforged vehicles, Knights, Titans, Daemon Engines, and summoned abominations under their charge. With datasheets for twisted war engines and mutated champions corrupted by the touch of the warp, Imperial Armour Index: Forces of Chaos contains vital resources for the hordes of Chaos if they are to destroy the Imperium of Mankind for good and turn the galaxy over to the rule of the Dark Gods. In order to use this book, you will also need a copy of the Warhammer 40,000 rulebook and the relevant Warhammer 40,000 - Index for your army.