[ He's not a professor on this subject by any means. He would rather be concise when explaining things like this, if possible, and he hopes she understood most of it.

Her question, however, is telling. Zack shakes his head. ]

The name of this world -- this place, this planet -- is Allaidh Darach.

Once we arrive, we can't go back to where we came from.

[ Or at least, not by choice. ]