Before the , he is trapped with his friends because he does not find correct he kills Ozai. After he sleepwalks into a forest, he speaks with four previous Avatars (Roku, Kyoshi, Kuruk, Yangchen), and asking for advice. Each gives him a reason to kill the Fire Lord Ozai, discouraging him. After discovering that the forest is atop a swimming lion-turtle, and receiving advice from said lion-turtle, he prepares to confront the Fire Lord. Once Ozai arrives, Aang engages him in battle. After sparing Ozai when redirecting his lightning and then being backed into a corner, Aang enters the Avatar State. The Avatar State tips the battle in Aang's favor, and makes swift work of Ozai. Using a technique taught to him by the lion-turtle, which called Energybending, Aang removes Ozai's ability to firebend, effectively eliminating the threat. Later, in the Fire Nation capital, Aang is seen in monk robes, standing beside Zuko while he become Fire Lord. He is later seen relaxing with his friends in Ba Sing Se. The series ends with Aang and Katara kissing.