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Secret Ninja Attack

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Secret Ninja Attack
Greninja Final Smash SSBU.gif
Secret Ninja Attack in Ultimate
User Greninja
Universe Pokémon
Articles on Bulbapedia Mat Block (move)

Secret Ninja Attack (忍びの秘奥義, The Shinobi's Hidden Secret), is Greninja's Final Smash.


Ash-Greninja in Ultimate.

In this Final Smash, Greninja sends one or more foes airborne by using Mat Block: hitting them with a tatami, then overwhelms its opponent with slashes, kicks, and palm strikes in front of the moon. Greninja then readies a final blow to meteor smash the foe. It is similar to Ike's Great Aether.

The Final Smash deals a total of 52% damage: 2% if the opponent(s) are caught by the Mat Block, 5% for the Mat Block flip, 2% for each rapid attack, and 15% for the final blow.

Aside from the initial Mat Block, the attack is visually identical to Zoroark's Fury Swipes attack; however, the Secret Ninja Attack deals significantly more damage, and the final blow cannot be teched (except in Ultimate).

In Super Smash Bros. Ultimate, Greninja transforms into Ash-Greninja for the Final Smash.

Instructional quotes[edit]

Super Smash Bros. for Nintendo 3DS case foldout GreninjaHeadSSB4-3.png Flip up an opponent, and repeatedly attack.
Super Smash Bros. Ultimate Move List GreninjaHeadSSBU.png Greninja uses Mat Block to flip foes into the air before striking them repeatedly and smacking them back down to the ground. The Mat Block doesn't have much range, so make use of Greninja's speed to get in close to opponents.


Secret Ninja Attack's trophy in Super Smash Bros. for Wii U
Secret Ninja Attack
NTSC In Greninja's Final Smash, it uses its Mat Block move to flip opponents into the air. It then slices them repeatedly in front of the bright moon before smacking them back down to the ground and launching them. The initial Mat Block flip doesn't have much range, but should it hit home, the rest of the attack is unavoidable.
PAL In Greninja's Final Smash, it uses its Mat Block move to flip an opponent into the air. It then slices them repeatedly in front of the shining moon, before smacking them down to the ground so hard they get launched. The initial Mat Block flip doesn't have much range, but if it hits home, there's no evading the rest of the attack.


It says Secret Ninja Attack needs an origin picture. Will this do?
Mat Block as it appears in Pokémon Omega Ruby & Alpha Sapphire.
Night Slash as it appears in Pokémon X & Y.

Greninja activates this move by striking downward at a tatami, a type of mat, to flip it upward and hit opponents, referencing Mat Block (known in Japan as Tatami Flip), formerly one of its signature moves in the Pokémon games. Mat Block possesses the ability to defend the user's side of the field from all attacks used after it; however, unlike other protective moves, it does not possess increased priority and thus will fail if used last in the turn. It is also only able to be used the first turn after Greninja enters the field; at all other times, it will fail. While not named after it, the move's overall aesthetics share thematic similarities with Night Slash, a move Greninja can learn by leveling up in the games.


Greninja transforming into Ash-Greninja in the Pokémon Sun and Pokémon Moon Special Demo Version.

In the Pokémon anime, upon his final evolution, Ash Ketchum's Greninja obtained a unique ability called Bond Phenomenon. It is similar to Mega Evolution but relies on being in sync with Ash rather than a Mega Stone. This transformation caused Greninja to temporarily take on a design based on Ash and his Kalos outfit, as well as producing a psychic bond with Ash.

The transformation later appeared in the main series games with a special Greninja with Battle Bond only obtainable through the Sun and Moon demo, where the transformation would activate upon defeating an opponent directly. Ash-Greninja has higher base stats than regular Greninja and if Ash-Greninja uses Water Shuriken, the move's power becomes 20 (rather than the usual 15) and it always hits three times. The transformation would later be removed in Pokémon Scarlet and Violet with Battle Bond only boosting Greninja's attack, special attack and speed. Ash-Greninja is referenced in Nemona's house as a painting however.


Names in other languages[edit]

Language Name
Japan Japanese 忍びの秘奥義
UK English Secret Ninja Attack
France French (PAL) Technique Secrète Ninja
Quebec French (NTSC) Attaque ninja secrète
Germany German Ninja-Geheimtechnik
Spain Spanish Técnica Floral Ninja
Italy Italian Attacco ninja segreto
China Chinese (Simplified) 忍术秘技
Taiwan Chinese (Traditional) 忍術秘技
South Korea Korean 시크릿닌자어택, Secret Ninja Attack
Netherlands Dutch Geheime Ninjatechniek
Russia Russian Секрет Ниндзя


  • In stages with platforms that reside at high altitudes, such as Palutena's Temple, characters not caught in the Final Smash are able to show up in the animation. These characters are fully mobile and do not appear as silhouettes, unlike Greninja and any opponents it caught.
  • Although the trophy depicts a full moon, the final smash actually only uses a graphic of half of the moon, which can be seen by pausing and moving the camera (Wii U only). In the 3DS, more of the moon is visible when the camera is focused on Greninja, but one can't see where the moon ends in normal gameplay.