Quote Originally Posted by Qwertystop View Post
She can decide what she looks like, but at some point she's sort of stuck. She decides to look like a human. Something happens to her that should kill a human that bounces off of her. How does changing shape deal with that after the fact?

NOTE: I don't actually subscribe to the appearance-changing theory.
You fake an injury, pretend to die, get buried, and then dig yourself out, moving to a different area and/or, especially in more modern times, change your appearance.