Well, if she could shape metal however she pleased, it was probably a good idea to have some on her in general...

Hmm. The Spirit World? Combined with Kuvira's mention of chi, he was sort of getting the impression that she was from the past -- or at least something like the past. "Some people where I come from believe in a spirit world. I don't know if it exists or not. This tree, though... it reminds me of a forest I used to explore. The plants and animals were all oversized."