Zantetsuken

Zantetsuken (ザンテツケン) is a technique which appears in Kingdom Hearts Final Mix, Kingdom Hearts: Chain of Memories, Kingdom Hearts II Final Mix, Kingdom Hearts Birth by Sleep, Kingdom Hearts Re:coded, and Kingdom Hearts 3D: Dream Drop Distance. It consists of holding the Keyblade tip-backwards, then performing a single powerful slash through the opponent's body so quickly that the cut doesn't appear until after the technique is finished. It is usually a ground combo finisher, and can defeat minor enemies in a single hit.

Mechanics
In Kingdom Hearts Final Mix Zantetsuken requires 2 AP to equip.

In Kingdom Hearts: Chain of Memories, Zantetsuken is an attack sleight that deals damage, and will render the opponent's cards unreloadable if it is used to break them.

In Kingdom Hearts II Final Mix, Zantetsuken consumes a Drive Bar when used.

In Kingdom Hearts Birth by Sleep, Zantetsuken is an Ultimate attack command exclusive to Terra that takes up one slot in the Command Deck, has a maximum level of 5, has a normal reload time of 20 seconds, and fills the Command Gauge by 40%.

In Kingdom Hearts Re:coded, Zantetsuken is an attack command that has a memory consumption of 22% of memory and a reload time of 25 seconds.

In Kingdom Hearts 3D: Dream Drop Distance, Zantetsuken is an attack command exclusive to Riku that uses two slots in the Command Deck and has a reload time of 32 seconds.

Kingdom Hearts Final Mix

 * Sora learns Zantetsuken after defeating the Kurt Zisa.

Kingdom Hearts: Chain of Memories

 * Sora can learn Zantetsuken starting at level 22.
 * Its card combination is:

Kingdom Hearts Re:Chain of Memories

 * Sora can learn Zantetsuken starting at level 27.
 * Its card combination is:

Kingdom Hearts II Final Mix

 * Limit Form has Zantetsuken as a default ability.

Kingdom Hearts Birth by Sleep

 * Terra can create Zantetsuken through Command Melding.
 * Terra can purchase Zantetsuken from the Command Shop for 1700 munny once five worlds are cleared or the command has already been obtained elsewhere.
 * Terra can purchase Zantetsuken from the Medal Shop for 1000 medals.

Kingdom Hearts Re:coded

 * Data-Sora can create Zantetsuken through Command Conversion.
 * Data-Sora can obtain Zantetsuken as the reward for defeating the Ice Titan at Critical difficulty.

Kingdom Hearts 3D: Dream Drop Distance

 * Sora and Riku can purchase Zantetsuken from the Thunderaffe Ability Link.
 * Sora and Riku can purchase Zantetsuken from the Lord Kyroo Ability Link.
 * Sora and Riku can purchase Zantetsuken from the Staggerceps Ability Link.
 * Sora and Riku can purchase Zantetsuken from the Cera Terror Ability Link.

Kingdom Hearts Birth by Sleep
Zantetsuken is an Ultimate-class attack command that can be melded through two different recipes, listed in the Giga Attack Recipe.
 * The first recipe can only be melded by Terra and is a recipe that has a 20% chance of transforming into Ars Solum.
 * Stopga (LV4) + Dark Haze (LV4)
 * The second recipe can only be melded by Terra and is a recipe that has a 20% chance of transforming into Ars Solum.
 * Stopga (LV4) + Sonic Blade (LV5)

Kingdom Hearts Re:coded
Zantetsuken is an attack command that can be converted through one recipe.
 * Judgment Triad + Gravity Drop

Kingdom Hearts 358/2 Days
While wielding the Oathkeeper, Two Become One, or Dream Sword, the ground combo finisher is a Zantetsuken-like slash.

Kingdom Hearts Re:coded
Data-Sora's second ground finish is a Zantetsuken-like slash. In addition, Keychains with the Sonic Arts Overclock ability will have Zantetsuken-like slash as their ground finish.

Origin
In the Final Fantasy series, "Zantetsuken" (斬鉄剣) is the signature attack of the summon Odin, and it is sometimes mimicked by Gilgamesh. It typically inflicts Instant Death upon all enemies.

Trivia

 * Zantetsuken is the only attack within the Kingdom Hearts series that uses romanized Japanese in the English versions of the games.

Zantetsuken