the sister of Firelord Zuko. she is super talented and powerful, And her firebending is blue. while Aang fought off Firelord Ozai, Azula took on Katara and Zuko. however, due to all the pressure she was under, she began hallucinating her long-gone mother in every reflection. by now, Azula's madness has gotten much worse and she is locked up in an institution.