Toph normally would have been surprised, probably even a little bit wary and scared, but this castle had desensitized her to things that were, well, out of the ordinary. Space men, talking lemurs, ghosts, shadows that tried to eat you, walls she couldn't see through, and oh the many other things she'd heard about...

Someone not being human?

Hardly touched the snow of the iceberg.

"... if you're not human, what are you?"