“Kiyi, half-sister to Fire Lord Zuko, enrolls at the Royal Fire Academy for Girls! Known for its strict curriculum and even stricter instructors, Zuko worries for Kiyi,” the graphic novel’s ...

Late in the animated series, it’s revealed that Avatar Roku is the grandfather of Zuko’s mother Ursa, who was married to Fire Lord Ozai. The union of Ozai and Ursa connected Sozin and Roku’s ...