They will most likely have to re-locate to a new island in the New World. It might have to be abandoned or something until the day all races can live together because I’m sure the Minks will get heavily discriminated against. It may be difficult for them also because they rely a lot on Zunesha’s “eruption rain” (2x a day) since it gives them a good supply of water & food.

A) they die along with Zunesha while he falls

OR

B) They survive the fall and live with their alies on Wano

Or

C) what everybody else says