During one such attack on the freighters of an Imperial grand fleet, they were driven off by the ships of the Rogue Trader Janus Darke, who later accepted a commission from the Imperium to wipe out the group once and for all. The Rogue Trader tracked the Corsairs to their lair within a massive asteroid belt and scoured it clean, with measured ruthlessness, using his fleet of ships. When the Corsairs were defeated, Janus later gathered the surviving pirates and forcefully recruited the best of the group, while pushing the others out of airlocks and into space.
- Chapter Four of Farseer (Novel) implies that the Dorian Corsairs were based in the Medusa Sector.
- The Dorian Corsairs could be connected to the planet of Dorian Prime that was lost to the Warp