"Not for lack of trying. We believe it's something to do with the god Pokémon Arceus, but so far no one's been able to confirm it for certain, and the mechanism is unpredictable. People are brought here from a few weeks to a few years, returned to their home reality just as suddenly, and to the second they left with no memory of this place. And, frankly, for some people this is a reprieve from their homes, with how peaceful the modern day is."

Like, say, a war, or being dead.

"This, on the other hand, is extremely unusual."