– Background on the reunification of Mortarion with the Death Guard during the Great Crusade, his eventual fall into heresy, and the process inflicted upon the Death Guard as Nurgle's Destroyer Plague took them. – Information on the organisational structure of the Death Guard following the Horus Heresy and how their cohesion meant they were better able to enact war upon the galaxy. – Incredible photography of units, single miniatures, and armies on terrain, both on their own and as part of battle scenes. – Datasheets that cover every unit fieldable by a Death Guard army. – Death Guard-specific Stratagems, Warlord Traits, Relics, and psychic powers. – In-depth Crusade rules that let you grow your force as it spreads diseases and plague across the galaxy. – And more!