Stel was a male Human major of the Sith Empire stationed on Ziost during the Galactic War. In 3637 BBY a crisis struck when a former Emperor Vitiate transferred his consciousness to Ziost and possessed a number of Imperial soldiers, using their bodies as a puppets to spread murder and chaos. A Form 98BG-HM7 was filed and Stel made a public service announcement, urging civilians to maintain order during the evacuation.