Mighty Ulla is a chieftain of a band of Saracens. A group of Crusaders led by Sir Boltyn sent to save King Richard the Lion Hearted after his is taken captive by the Saracens. The Green Falcon is among the knights. Sir Boltyn, working in the interests of Prince John, conspires with Ulla to kill the knights. The plan fails, and Ulla is killed by an arrow.
