In FFV, Shinryuu guards the most powerful weapon in the game. True/False?

Shinryuu has been featured prominently* in how many FF titles?
*Don't count games where he's a random monster

Omega has been a super boss in how many FF games*?
*Don't count ports or remakes

Omega has more HP than any other boss/monster featured in the series. True or False?

What game is Omega not the most powerful superboss featured in his title?