"Yep. And there's only one Avatar around at a time..."

With another swift movement, the rocks zoomed back to the floor and smashed into even tinier chunks and a cloud of dust. Toph paused.

"Ah... right... I think you mentioned that you met Korra already." Toph had become so used to having to explain these things that it's suddenly weird to have someone half-know what she's talking about.