Yes, they have a habit of doing that as well. [Vastra grimaces and pauses to steady herself against a tree again.] One bloody planet isn't good enough, best make it three or four.

[She closes her eyes and breathes for a moment before continuing on. It feels a little warmer, perhaps, but that could just be her body growing numb.] And what are you? Not human, clearly. Unless everyone is able to manipulate matter in here and I've simply yet to discover that.