Maelstrom (ability)

Maelstrom (ミルストーム, Mirusutōmu) is a recurring spell and ability in the Final Fantasy series. It usually reduces the HP of several targets to single digits, and could be considered an upgraded form of Tornado.

Final Fantasy IV
Maelstrom, translated as Storm in the Super NES release, reduces the HP of the entire party to single digits. It is usually used by Barbariccia and several other enemies as a counter spell in this game, such as Behemoths.

Final Fantasy V
Maelstrom reduces the HP of all targets to single digits, and is used by several high-rank enemies, the same being Bahamut, Famed Mimic Gogo, Grand Aevis, Jura Aevis and Archeoaevis, Landcrawler and Sandcrawler, Shinryu and Neo Shinryu, Omega and Omega Mk.II, and Neo Exdeath and Enuo

Final Fantasy VIII
Maelstrom is a spell cast by Edea during the second fight against her and by Ultimecia in her first form. It reduces the HP of all party members by 66% and inflicts Curse status.

Final Fantasy IX
Maelstrom is an ability used by the Garuda enemy. It reduces one party member to single digit health and ignores Reflect.

Final Fantasy X
Maelstrom is an ability used by the Remora and Maelspike enemies. It inflicts a large amount of magic damage to all characters.

Final Fantasy XI
Maelstrom is an enemy ability used by Sea Monks which deals area of effect Water damage and inflicts Strength Down. It can be learned as Blue Magic by Blue Mages.

Final Fantasy Tactics
Maelstrom is a Sky Mantra ability for Rapha. In addition, her brother, Marach, has a Nether Mantra version called Nether Maelstrom. Both strike random tiles on the map for Water damage.

Dissidia Final Fantasy
Maelstrom is the ability used by Barbariccia when summoned as a counter for an opponent's summon, and it swaps the combatants' Brave values.