The Dark Lord of the Sith Naga Sadow, who governed the Sith Empire during the Great Hyperspace War circa 5000 BBY, is thought to have possessed a force crystal known as the Force crystal of Naga Sadow. Despite arguments surrounding its actual existence around the time of the Battle of Yavin, this artifact remained a target for those seeking treasure. Riyan Kiner, an explorer, was driven to complete madness as a result of his lifelong quest to locate this legendary item.