It... [He lets out a small sigh.] It looks a lot more painful than it is. I really can't explain it without a proper demonstration.

[Even though it looks really bad and he's well aware of that. He thinks, though, that it's probably better to warn her beforehand so she isn't too shocked by the sight.]

I'm a fast runner, if it helps? Say I end up needing to use this power on you and you overpower me - unless you have a way to seal off my exits, I'm quite confident in my ability to get away.