Mustering a considerable array of long-range weapons batteries to complement its sizeable launch bays, the Styx is even more formidable than its considerable tonnage would suggest. There are 7 recorded instances of Styx-class Heavy Cruisers fighting against the forces of the Emperor in the Segmentum Obscurus before the Gothic War. During that conflict, this figure rose to 39 major fleet battles involving Styx-class ships, demonstrating the value the followers of the Dark Gods placed on their capabilities. Although there were at least 5 ships of this class ranged against the Imperium during that campaign only two were identifiable: the Horrific and the Heartless Destroyer. Both had been laid down in the Cypra Mundi orbital dockyards in the early 33rd Millennium, and the Heartless Destroyer