"What do you mean, 'Huh'? Isn't this perfectly normal?"
Seeing everyone's astonished expressions, Kahn said with a chuckle:
"I'm not from this world. How could I possibly stay here forever?"
"Of course we know that, but this is so sudden."
At the news, everyone felt a little at a loss.
Sokka asked suspiciously:
"You're not throwing a tantrum because you had a falling-out with Aang, are you?"
"Do you take me for a child?"
Not knowing whether to laugh or cry, Kahn then said to Katara and Sokka with a touch of emotion:
"Back then, I didn't know why the Great Banyan Tree had brought me here. I was full of confusion and questions. Luckily, that was when I happened to meet Aang and you two."
"At first, I only intended to learn about this world through you, but I never expected to go on a journey like this with everyone. Not only did I gain your friendship, I also fulfilled my wish and resolved my worries and doubts."
"Now, I finally know why the Great Banyan Tree brought me here. It really did hear my request."
He had originally sought out the Great Banyan Tree because he was confused about his feelings for Azula. Judging by how things stood now, he had indeed found the answer in his heart with the Great Banyan Tree's help, and had even gained a great deal more besides.
"Besides, I've fulfilled both my promises-to teach Aang Firebending and to defeat Ozai. There isn't much use in my staying anymore."
"So, it's time to go."
After hearing him out, everyone understood that Kahn had made up his mind, so they stopped trying to persuade him to stay. Still, the sudden prospect of parting made the atmosphere much quieter.
Suddenly, Toph asked:
"Will you come