Due to her anecdotes and vestiges, she is classified as an "anti-hero."<br /> <br /> Assassin's True Name is Shuten Douji, one of Japan's Three Great Monsters.<br /> <br /> In the Heian Era, Shuten was the king of Mount Ooe was a commander of many fearsome demons.<br /> <br /> There are many origin stories surrounding Shuten Douji. One goes that she was born on Mount Ibuki to Yamata-no-Orochi and a human girl, another says she descended as the Dragon King Kuzuryuu's godsend. But no matter what, she is the child of a dragon god: something she shares in common with a certain Sakata Kintoki.<br /> <br /> Just like in the past, she lives nowadays as she feels like, behaving to her heart's content.<br /> <br /> In addition, she is also a collector of antiques and rarities, showing a keen interest in the red dragon's ulna dwelling on Kintoki's arm.<br /> <br /> It seems that she attaches importance on rarity and the elegance of the appearance, as such she is incompatible with the King of Heroes who stresses performance and history.<br /> <br /> (Source: Fate/Grand Order Wiki)<br /><br />