But how do we get them all out? Are we supposed to herd a crowd of people in here to use up their tokens? Who's to say they'll even want one or treat them properly.

[ He doesn't want to inadvertently harm the creatures, that's for sure. But with the machine's refusal to accept more than one token per person, their options are severely limited, save assaulting the device itself.

A certain point? Like a catalyst? It does explain how Clavell was able to befriend a creature as large as the Abomasnow, if it started out somewhat smaller.

He picks up the Eevee from his shoulder so he can study it more closely in front of him. Eevee flicks its ears and studies him back. ]

So what determines which one it evolves into?