User blog comment:Kogath/Monster Hunter X Discussion/@comment-25706585-20150917232401/@comment-26836109-20150920181435

@Molfium

But laggy and plesioth need moisture and can quench that since there is water in the game even though you can't fight them in it, Barroth needs mud and he can't quench his thirst. Not only that, but Barroth's body itself is designed for the desert. He atleast has to return to the deserts of MHX and the DI, and in the desert they have to add a mud area.