From franchise of the fate series, saber alter or artoria Pendragon alter is the opposite of the original character (saber) , she is the king of knights who became a heartless tyrant, but she cannot be called a villain. She is more of a dark hero who is still an idealist clinging to her own values even after being blackened, but if there was someone who was able to understand her feelings and heart, they might realize that Artoria Alter was the same as she was before