Firaga Blade

Firaga Blade, also known as Firaga Sword or simply Firaga, is a recurring ability in the series. It is generally a mid-powered Fire-elemental Spellblade ability, either giving the user the element as long as they don't use another Spellblade ability or outright dealing damage. It generally requires the Blizzara spell in order to use it.

Final Fantasy V
Firaga is a level 5 Spellblade ability that costs 15 MP to cast. When used against an enemy that is weak to Fire-elemental attacks, the power of the user's attack is quadrupled and pierces the target's defenses.

Crisis Core -Final Fantasy VII-
Firaga Blade is a rank 5 Command Materia that costs 32 MP to use. It can be obtained by stealing it from Crescent Unit Argentum, finding it during Missions 6-6-5 and 8-5-6, or by buying it in the Wutai Secret Shop for 10,000 gil.

Final Fantasy IX
Firaga Sword is a Sword Magic ability for Steiner while Vivi is in the party. It costs 30 MP to cast and increases Steiner's attack by 30.

Bravely Default
Firaga is a level 5 Sword Magic ability, costing 45 MP to use and adds high-power Fire-element to the user's physical attacks.