During Nil Spaar's operation to seize Black Sword Command from the Galactic Empire in 4 ABY, Dar Bille was the future Viceroy's second-in-command. Dar Bille led Spaar's backup assault team through in the seizure of the Super Star Destroyer Intimidator.
When Nil Spaar ordered the execution of the Great Purge, Dar Bille served as Primate of the Intimidator, renamed Pride of Yevetha, and led a number of strikes throughout the Koornacht Cluster.
- The Complete Star Wars Encyclopedia