Nemesis was an Imperial I-class Star Destroyer in service to the Empire.
Before the Battle of Endor occurred, the Nemesis had been observed while its weaponry was being tested at the Imperial Academy on Carida.
Approximately five years following the Battle of Endor (9 ABY), it served within the personal fleet of Grand Admiral Thrawn. The Nemesis took part in the Battle of Sluis Van, where it unsuccessfully tried to seize vacant New Republic ships. Subsequently, it was assigned to attack Chrondre as a component of Thrawn's larger strategy to take the Ukio system. The Battle of Bilbringi marks the final recorded sighting of the Nemesis.