Sith Order

The Sith Order is a rich and powerful empire established by the tainted Jedi Knight's who were exiled by the Jedi Order after their defeat in the Battle of Corbos during the Hundred-Year Darkness. Exiles of the Jedi Order fled to Korriban and interbred with the Sith species through the art of Sith Alchemy. The Sith Order developed in complete isolation before the Galactic Republic and the Jedi Order discovered it.

 The Sith Order Under The Shadow Empire 

The Sith Order was refound by the Dark Lord Of The Sith Onepath Rainwar in 1,130 ABY. He was the Supreme Leader and Emporer of the Shadow Empire. In the rise of the Shadow Empire under the ashes of the First Order and Galactic Empire, he wanted to make the galaxy envision on what really matters in the galaxy; power. In the midst of his power-hungry feast, he reformed the Dark Council, creating power into not just one Dark Lord Of The Sith, but many.

As the new Sith Order under the Shadow Empire was rising, the Dark Council ordered sanctuary, hiding deep within' the Sith World's, bringing them back home to both Dromund Kaas and Korriban. While the Dark Council was recreated, they protected the Twelve Spheres Of Influence, making every member of the council a protector of a sphere. With the Twelve Spheres Of Influence, each member of the council had a secret gift and power, making the Shadow Empire supreme with secrecy and power.