Ashi

Ashi is the secondary antagonist turned deuteragonist of the fifth season of Samurai Jack on Adult Swim. She started out as one of the Daughters of Aku who were trained to slay Samurai Jack. But later, after being rescued by Jack and seeing the truth about Aku, she decides to tag along on Jack's quest.

Trivia

 * At the end of the series, Mewtwo, the Good Fairy, and Zordon will summon the great dragon spirit Shenron (who also revived Zordon) who will resurrect Ashi with all of her powers (excluding the Time Portal power) and will permanently remove her from Aku's bloodline as well as what's left of his evil essence inside her.
 * After her resurrection, Mewtwo, Aisling, and the Good Fairy will become her new family.