Towen Sor was a male Human citizen of the Eternal Empire of Zakuul. A Security Commander in the Spire, in 3632 BBY he and a group of Skytroopers cornered the rogue terrorist Firebrand in the abandoned tram station in the Old World. However, during their shoot-out, Firebrand received assistance from Theron Shan and The Outlander, who defeated Sor and his skytroopers.