In the , Aang and his friends had to win a new enemy - an killer hired by Zuko who shoots with his third eye. Aang and his friends from Earth Kingdom attack the Fire Nation capital during the solar eclipse, but the invasion failed because Azula knew about it. In the next episode, Zuko offers to teach Aang firebending. Aang accepts, despite the group's strong opposition. In "The Firebending Masters" (the 13th episode of third season) Aang learns firebending with the help of the last two dragons.