

Over the next two thousand years, interbreeding occurred between the fallen Jedi and the Sith by means of Sith alchemy, which led to the term "Sith" being used to identify not only the original inhabitants of Korriban, but also their fallen Jedi masters. Using their training in the Force, the Dark Jedi amazed the Sith, and elevated themselves to god-like status on Korriban, becoming the rulers of the Sith people and taking the mantle of the Lords of the Sith. The Sith attempted to protect their secrets, but they fell to the superior training and technology of the Jedi invaders. Upon arriving, the Dark Jedi attempted to subjugate the Sith and take whatever knowledge they possessed. In 6900 BBY exiled fallen Jedi fleeing from the Battle of Corbos, which concluded the Hundred-Year Darkness, landed on Korriban, a desolate world inhabited by the relatively primitive but unusually Force-sensitive Sith species which practiced arcane dark side sorcery.


At first, they are introduced as a great threat that has been dormant for long and has bided its time to crush the Republic, therefore making them the main villains of the vanilla game.

In the MMORPG Star Wars: The Old Republic, the Reconstituted version of this Empire is presented as a playable faction along with the Republic. They are the society from which the dreaded Sith Order originated and also the regime which made the term "Sith" infamous because of their vicious wars of conquest and seemingly endless conflicts with the Republic until their eventual downfall. The Sith Empire is an ancient faction that has existed millennia before the rise of the Galactic Empire.
