Scourge was a pureblood Sith male who served as a Sith Lord of the reconstituted Sith Empire and later as the Emperor's Wrath, the personal enforcer of the Sith Emperor, before he allied with the Jedi Knight known as the Hero of Tython in order to prevent the Emperor from extinguishing all life in the galaxy. Rendered immortal and appointed as the Emperor's Wrath, Scourge served the Emperor loyally for over three centuries, killing the Emperor's enemies and carrying out his will. Not until the Galactic War began to break out between the Empire and the Republic did Scourge encounter the Hero of Tython, the Jedi from his vision, and set in motion his plans to aid the Jedi.