Blizzaga Blade, also known as Blizzaga Sword or simply Blizzaga, is a recurring ability in the series. It is oftentimes part of the Spellblade skillset, and is the highest Ice-elemental or Water-elemental Spellblade available, depending on the game. It generally requires learning the Blizzaga spell in order to use this ability.
Blizzaga is a level 5 Spellblade ability, costing 15 MP to cast. When used against any non-Heavy enemies weak to Ice-elemental attacks, it will instantly kill them while against Heavy enemies, it will deal x4 damage and pierce their defenses.
Blizzaga Blade is a rank 5 Command Materia that costs 32 MP to use. It can be obtained by stealing it from Crescent Unit Aurum, finding it during Missions 2-5-6, 4-4-2, and 6-3-4, or by buying it in the Wutai Secret Shop for 10,000 gil.
Blizzaga is a level 5 Spellblade ability that costs 45 MP to cast. Here, it gives high-power Water-element to the user's physical attacks.