2 Works in Episode: s01e13 The Blue Spirit
When he captured the Avatar, Zuko also captured Aang, and somehow taking captive an all-powerful master of the elements was different than taking captive a 12-year-old pacifist. (An AU in which Zuko's plan to capture Aang in The Blue Spirit succeeds, and everyone has to deal with the fallout.)
That night, Prince Zuko lies awake in his bed, listening to the sounds of his warship and thinking.
Introspective drabble taking place at the very end of Book 1, Chapter 13.