"Jasper is one of the main antagonists in the animated series Steven Universe. She is a Homeworld Gem soldier and is the former superior and escort of Peridot. She is the main antagonist of her debut episode The Return and Jail Break, and is also the main antagonist of the second half of the third season, as she strived to create an army of corrupted gem until, she herself, became corrupted as a result fusing with one of the corrupted gems which caused her to become bubbled and teleported to the Burning Room." -From Wiki