"Is that a joke?"

She's less inclined to argue than she normally would be, but- jump on what? Was he doing his ridiculous little hovering air ball trick? Could that even hold somebody besides him? She's seen the trick so many times, but she has no idea how it works.

On the other hand, there was an enraged memory of an Avatar behind her, so there really was no time for discussion. She would just have to hope that he knew what he was talking about.

She jumps.