User blog comment:Mckrongs/Monster Hunter 4 for the Nintendo 3DS/@comment-6050823-20130809003703/@comment-5029778-20130809031522

I don't disagree, this is just for the sake of argument... :P

The lack of underwater combat doesn't necessarily mean that Lagiacrus isn't returning. Ivory Lagiacrus clearly shows that the species can manage themselves on land. They could simply give some of Ivory Lagia's moves to normal Lagia and he could easily return.