User blog comment:Mckrongs/Monster Hunter 4 for the Nintendo 3DS/@comment-74.240.150.85-20121110123423/@comment-202.45.119.14-20121112222912

Gravios essentially got spilt into Agnaktor and Uragaan. Uragaan is the tough rocky monster with a tough hide and Agnaktor is the laz0r beam spewing lava submerging volcana monster.