Omnislash

Omnislash (超究武神覇斬) is a technique introduced in , and is one of Cloud's signature attacks. It allows the user to deal many powerful slashes to one or more enemies, sometimes flying between them to ensure accuracy.

Mechanics
In Kingdom Hearts Chain of Memories, Omnislash is a Summon Sleight. It summons Cloud to the battlefield, whereupon he flies across the field, periodically slashing at enemies. In Kingdom Hearts Re:Chain of Memories, additional attacks are added by pressing when prompted. Pressing at the wrong time will cancel the sleight. Its card combination is:

In Kingdom Hearts Re:coded, Omnislash is a special ability used by Cloud in the Labyrinth. Cloud will warp in front of an enemy and slash it four times, randomly switching to another enemy. The last slash follows with two finishing strikes on the same enemy.

In Kingdom Hearts Union χ, Omnislash is a special attack that targets all enemies. It costs 2 special attack gauges to perform. It raises the player's Power-based strength by 3 tiers for 1 turn. It lowers the targets' Power-based defense by 3 tiers for 1 turn. It inflicts more damage the higher the player's HP.

Kingdom Hearts Chain of Memories

 * Sora learns Omnislash once he obtains the Cloud card by clearing the Olympus Coliseum Room of Truth.

Kingdom Hearts Re:coded

 * Cloud may randomly use Omnislash in place of an attack following a successful button press, while in the Labyrinth.

Kingdom Hearts Union χ

 * Omnislash +5 is the special attack for medal.

Kingdom Hearts
Cloud uses Omnislash while fighting Sora. He will first generate an aura of red electricity around himself while spreading his wing, and then will float into the air and glide across the arena, attempting to slash at Sora three times, before returning to normal.

Kingdom Hearts Chain of Memories
Cloud uses Omnislash while fighting Sora. In Chain of Memories, each charge has more of a pronounced swoop than in other versions, while in Re:Chain of Memories, Cloud glides as normal, but at increased speed. The card combination is:

Kingdom Hearts Re:coded
Cloud uses Omnislash while fighting Sora and Hercules. It is identical to the version he uses as a party member, but adds more slashes at a faster pace like in the recent portrayals of the attack in other forms of media while ending with the signature flipping overhead slash.

Origin
''' is the signature attack of, and his strongest in '. In most forms of recent media, such as the Dissidia games, and in Kingdom Hearts II, the technique often involves a series of many rapid-frenzy slashes mid-flight ending with a downward slamming strike. However, in Kingdom Hearts and Kingdom Hearts Chain of Memories and its remake, only three slashes are done in a slow succession.