Sorry Shaibana, but the title says "Hardest Superboss". The final boss (Orphan) is a storyline boss, therefore it cannot be a superboss. Vercingetorix and Long Gui are.
Proto-Babil (FF IV)
Omega Mk. II (FF V)
Neo Shinryu (FF V)
Kaiser Dragon (FF VI)
Emerald Weapon (FF VII)
Ruby Weapon (FF VII)
Omega Weapon (FF VIII)
Ozma (FF IX)
Nemesis (FF X)
Penance (FF X)
Paragon + Trema (FF X-2)
Chac (FF X-2)
Major Numerus (FF X-2)
Yiazmat (FF XII)
Omega Mk. XII (FF XII)
The Judge Magisters (FF XII)
Vercingetorix (FF XIII)
Long Gui (FF XIII)
Gilgamesh (FF XIII-2)
Valfodr (FF XIII-2)
Sorry Shaibana, but the title says "Hardest Superboss". The final boss (Orphan) is a storyline boss, therefore it cannot be a superboss. Vercingetorix and Long Gui are.