User blog comment:Kogath/Monster Hunter 4 Ultimate for the Nintendo 3DS/@comment-19936604-20140325004046/@comment-184612-20140325173912

G Rank Fatalis is a special Fatalis version in Frontier.

http://monsterhunter.wikia.com/wiki/Fatalis#G-Rank_Fatalis_.28Monster_Hunter_Frontier_G.29