If you want to enjoy Final Fantasy, you need to suspend your disbelief, a little. And if you're willing to accept that a sulky teen can kill a dinosaur, you're willing to accept anything. That's why we take the following attacks with a grain of salt.
These are the top ten Final Fantasy attacks that went above and beyond the boundaries of plausibility, necessity, and extravagance. The attacks that brought a nuclear bomb to a knife-fight. It's the top ten Final Fantasy overkills.
( Final Fantasy A2: the Sealed Grimoire, Final Fantasy, Final Fantasy Agito XIII, Final Fantasy Crystal Defenders, Final Fantasy Dissidia, Final Fantasy II, Final Fantasy II: Anniversary Edition, Final Fantasy IV: The After Years, Final Fantasy Tactics, Final Fantasy Tactics: The War of the Lions, Final Fantasy Versus XIII, Final Fantasy VII, Final Fantasy VII: Endless Crisis, Final Fantasy VS XIII, Final Fantasy X, Final Fantasy X-2, Final Fantasy XI, Final Fantasy XI: War of the Godess, final fantasy XI: wings of godness, Final Fantasy XI: Wings of the Goddess, Final Fantasy XII, Final Fantasy XIII, Final Fantasy XIV, Final Fantasy XV, PS2, PS3, PSP)