Hurricane Winder

Hurricane Period (ハリケーンピリオド,, Harikēn Piriodoundefined) is an aerial finisher move in both Kingdom Hearts Final Mix and Kingdom Hearts II: Final Mix+.

Sora spins 1080 degrees with his Keyblade extended out.

When will Sora learn it or be able to use it?
Kingdom Hearts Final Mix: depends on which weapon you chose in Awakening.
 * Sword - Obtained when you hit level 27
 * Rod - Obtained when you hit level 18
 * Shield - Obtained when you hit level 51

Kingdom Hearts 2 Final Mix
 * Limit Form has this move automatically when you obtain it from Twilight Town.

Differences of the move between the two games?

 * Kingdom Hearts Final Mix - Deals one powerful blow for each enemy it manages to hit. Sora falls down without any extra height gained.
 * Kingdom Hearts II Final Mix+ - Deals many hits and ends with a vertical slice upwards. Sora jumps upward a bit to hit the enemy with the whole move.