Look the posts under the video.

SaintDragon666
''dude this is a custome modified game of mine. so yeah your not gonna find jumbo cactuar, omega, zeikfried, lolitia, asguard, mom cocatrice, and a hard version of every boss in a research. you wont find a 500,000 gilla weapon or a weapon stronger then princess guard for aerith, or a reward of a resurrected aerith for defeating a boss.''

There is your answer...