User blog comment:Kogath/Monster Hunter X Discussion/@comment-6050823-20150901223601/@comment-5167887-20150902113638

Well P3rd had Royal Ludroth to come back without water, mind that.

Species tend to adapt and evolve along the games they appear in, i see nothing wrong with a regular Lagia becoming as adapted to terrestrial life as Ivory Lagia. We'll still have him at DesIsland, so the sea is still in there in some way.