Umbra (RoDs)

'Umbra was a Sith World in the Umbra system of the, it was a hidden world located a system over from the and was the secret retreat of the Emperor Vitiate, Umbra was the location of the Fortress of Solitude and its underground catacombs containing a Carbon Frozen collection of fanatically loyal Sith and Sith Troopers.

Appearances

 * Return of Darkness series
 * Season One - Rebels within Rebels
 * Season Two - Primitive Wars
 * Season Three - Dark Ascension