The Great Necromancer, Nagash, initiates an all-out war to end all life in the Mortal Realms, but in order to complete his monumental task he needs access to them. And so he turns his gaze to the Eightpoints, ruled over by none other than Archaon Everchosen, Exalted Grand Marshall of the Apocalypse.
Warlock Bombardiers are those engineers who develop a particular penchant for weapons that deliver explosive death from extreme range. Their alchemical armaments cause utter devastation wherever they strike home.
While many skaven are repelled by the very sight of fire, Rattachak the Warlock Bombardier is positively obsessed with the stuff and can often be found with tufts of singed fur from his many experiments.