Command your elite forces with Liber Custodes, the definitive rulebook for the Legio Custodes faction in Horus Heresy. This 120-page hardback delivers comprehensive background lore, complete army rules, and detailed unit profiles covering the Legio Custodes, Anathema Psykana, and Divisio Assassinorum. Build full-strength armies of the Emperor's finest warriors or integrate them as powerful Allies into other Loyalist forces. Essential for competitive play and narrative campaigns alike.