katara is captured by Zuko who is working with pirates to capture aang, he interrogates her but she will not tell, he used intimidation and threaten her but still she did not give in, then he took her necklace and used it as leverage she tried to telling Zuko that it was his mother’s and it was very sacred to her but he didn’t listen, katara was tempted to give in then but she resisted and kept her mouth shut, she would not tell, she decided to get smart with him "I will tell you NOTHING Zuko, I besides why would I confess to someone like you"