Warhammer Horus Heresy Liber Questoris: Knights and Titans Army BookWarhammer Horus Heresy Liber Questoris: Knights and Titans Army Book The ultimate engines of war in the Imperium during the Horus Heresy are battle titans and knights, huge machines capable of levelling cities and obliterating entire armies. Sworn to the service of the hosts of the Great Crusade by binding oaths, the warriors who pilot these towering war engines follow their allies into the fires of the Horus Heresy. This book is an essential guide