A member of the Banik slave race, Stark has the ability to ease the pain and suffering of those passing over to another realm. This trait, inherent to the Stykera -a particularly special breed of Banik- made him a highly sought after test subject for the Aurora Chair. stark gained his freedom after helping Crichton to survive the Chair and escape from Scorpius' Gammak Base. Stark later developed a special relationship with Zhaan and both were able to use their mental powers to communicate extraverbally. He also played a major role in making D'Argo's reunion with his son, Jothee, a reality.