Flare Blade

Flare Blade, also known as Flare Sword or simply Flare , is a recurring ability in the series. It is usually the most powerful Spellblade ability available alongside Holy Blade, and usually requires having the Flare spell learned to use it.

Final Fantasy V
Flare is a level 3 Spellblade ability that costs 30 MP to cast. It increases the user's Battle Power by 100 and ignores 75% of the enemy's Defense, making it the strongest Spellblade ability in the game.

Final Fantasy IX
Flare Sword is a Sword Magic ability for Steiner while Vivi is in the party. It costs 60 MP to cast and increases Steiner's attack by 60.