It is the bad guy you face at the end of the floating continent before you get to the end where you meet kefka and Gestahl. He was called atma weapon in the snes version and in the advanced it was changed to Ultima Weapon.
It is the bad guy you face at the end of the floating continent before you get to the end where you meet kefka and Gestahl. He was called atma weapon in the snes version and in the advanced it was changed to Ultima Weapon.