"The Last Airbender: The Promise" is a graphic novel that continues the story of the animated series Avatar: The Last Airbender. It follows Aang, the last Airbender and the Avatar, as he navigates the challenges of maintaining peace between the Fire Nation and the other nations after the end of the Hundred Year War. The story explores themes of friendship, responsibility, and the consequences of war. Zuko, the former prince of the Fire Nation, struggles with his identity and the expectations placed upon him, while Katara and Sokka support Aang in his quest to unite the nations and ensure a lasting peace.