"Not sure..." He says thoughtfully. "Cyruscivetium? Mind in some asteroids in the Galaxy of the Loonettes but is also states like.." He darts forward to like the wall again, concentrating for a moment. "Yeah, just a dash of wood." He says decidedly.

On to other things the Doctor just offers a shrug of his shoulders. "Yeah, that's exactly what the void is. I've never been in it-but I have traveled between universe's before-which in most cases you can't do because it can damage the very fabric of reality which is why I need to know how they're doing what they're doing."