User blog comment:Kogath/Monster Hunter XX Discussion/@comment-33581177-20170302093357/@comment-26421638-20170302105144

^ Well, you shoudn't be surprised... Is tecnically a Monster Hunter "G" Game. Usually a "G" Game gets only two completely new monsters: the flagship and the online final boss.

In a G Game the other monsters are just returning monsters from previous games or new Subspecies,Rare Species,Variants or in this case Deviants of old monsters.