Sorry! -_-;; I tend to research everything and then come off sounding like a know-it-all-prat.


I think that's the case. But it sounds like there's a lot of effort that goes into the one-way worldhop in the first place. It's not like, say, switching on a TARDIS. b:

They could always unearth another Quantum-Mirror-type-thing. I always had my doubts about whether or not it was actually destroyed, anyway.