The Sphere of Galactic Influence was one of the five Spheres of Influence of the reconstituted Sith Empire that was created by Empress Darth Acina after the Eternal Empire conquest. The Sphere was the combination of the Spheres of Sith Intelligence and Expansion and Diplomacy and was led by Dark Council member Darth Xarion.
The Sphere of Galactic Influence was a power base of the Sith Empire responsible for collecting intelligence on internal and external threats, and for conducting diplomacy on behalf of the Empire throughout the galaxy. It was established by Empress Darth Acina to lessen the infighting between Dark Council members, and was one of the five seats that succeeded the twelve Spheres of Influence. The Sphere was led by Darth Xarion.