Horus Heresy: Liber QuestorisA rules supplement for Warhammer: The Horus Heresy Your guide to commanding Loyalist and Traitor Knight and Titan forces in battle Loaded with detailed background information about the organisation of the Questoris Familia and the Titan Legions Packed with the rules you'll need to field these heavy machines, along with special Engine Kill Missions The ultimate engines of war in the Imperium during the Horus Heresy are battle titans and knights, huge