The Master Control was a piece of artificial intelligence technology constructed by the Gree race and stationed on the world of Asation. This machine mind was situated at the Hypergate Operation Center where it was responsible for the control of all the droid forces of the Gree Enclave on the planet. During the Cold War, the Dread Masters dispatched their agent Kephess to sow chaos and terror in the galaxy. This saw the transformed Trandoshan traveling to Asation where he commandeered the Grand Hypergate and brought numerous monstrous creatures as well as turned the planet's droid forces against their creators.