The question sparked a smirk that verged on a grin. "First off, for fun. Then mostly to see what you could do -- especially with the earthbending." She settled on the ground opposite him. "There aren't exactly a lot of people from my world. . . . Or there weren't, anyway, until I got tossed off Mr. Flipper's back for a year or so. So when I find one, I pay attention."

The smirk sharpened. "Plus I'm Aang's earthbending teacher. Messing with Avatars is kind of standard."