I enjoy the fact that aang refuses to kill is more rooted in “im 12 and a monk” and less to do with “if i kill im just as bad”
zuko: you have to kill him because he’s evil
aang: i’m not sure i can
zuko: i swear to god if you tell me it would make you just as bad as him-
aang: what? no. he’s evil and the world would be better without him. but i’m A Child who was raised pacifist and the idea of murder is kinda terrifying regardless of the morality involved
zuko: oh. yeah that’s fair.