Of course, just because Azula couldn't incinerate Karen at the moment didn't mean she couldn't hurt her another way. Karen quickly let go of the girl's shoulders and backed away. "I'm sorry." After a moment, she remembered the splint, and got to work again.

[I'd say shuffle this exchange in just before Ty Lee's reply, and let the mentioned moment overlap with the next couple of posts. Also: It's blue, actually. Not as ludicrously bright blue as some characters have, but...]