After the successful runs of Warhammer 40.000: Conquest and Mortal Realms comes the next Warhammer-themed partwork smash-hit from Hachette Partworks: Warhammer 40.000: Imperium. This time, the combined forces of Primaris Space Marines, Adeptus Mechanicus, and Sisters of Battle are pitted against the sinister Necrons. In this review, we’ll take a look at the contents of the 80-magazine partwork collection and find out if it’s worth your subscription money (spoiler: yes, it is).