One Piece Encyclopedia

Mato Mato no Mi

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Mato Mato no Mi
Mato Mato no Mi Infobox
Japanese Name: マトマトの実
Romanized Name: Mato Mato no Mi
English Name: Mark-Mark Fruit
Meaning: Mark, Target
Usage Debut: Chapter 613; Episode 532[1]
Type: Paramecia
User: Vander Decken IX
For the chapter of the same name, see Chapter 615.

The Mato Mato no Mi[2] is a Paramecia-type Devil Fruit[3] that makes the user capable of aiming at which ever "target" he decides upon from any location and at any time with anything at ease. "Mato" (?) means mark or target in Japanese. In the FUNimation subs, it is called the Mark-Mark Fruit. It was eaten by Vander Decken IX.

Due to Decken telling others that this power is a "curse", it has also been referred to as the Mato Mato Curse (マトマトの呪い Mato Mato no Noroi?, Mark-Mark Curse in the English versions).[4][5]

Strengths and WeaknessesEdit

Mato Mato no Mi in Use
The power of the Mato Mato no Mi.
KuroAshi98Added by KuroAshi98

This fruit makes the user capable of aiming at whoever they touch with their hands. After the user's hand is imprinted with the memory of the target, the user is able to target the person from any location and at any time with anything at ease, regardless whether or not they are aware of the target's actual location. Even if the targets move away from their current locations, the thrown objects will keep aiming at them, immediately changing their trajectory in order to chase targets around.

Furthermore, as shown with Noah, the user does not even need to actually throw the object for it to fly towards the target. All Decken had to do was touch the giant ship with a memorized hand and the ship itself rose off the sea bed without any assistance, aimed towards Shirahoshi.

Decken's 2-bladed Axe
Luffy struggling to deflect Decken's axe.
SewilAdded by Sewil

With the distance and acceleration of the projectile the user is sending it is a very dangerous ability for it can actually give a greater force in its attack as shown by Decken when he sent an axe towards princess Shirahoshi, where its acceleration gives a greater force to the axe blow, a blow that could actually be fatal. Apparently, the longer the distance between the user and the user's target the greater the resulting momentum of the projectile thrown. And if the target the user has chosen happens to be anywhere near them, the thrown projectile will actually even swerve back in a manner not unlike to a boomerang coming back to its thrower. Even a person as strong as Luffy stated that the force behind the axe Decken threw was quite powerful. Furthermore while the user is affected by the sea water, the objects used to target the recipient(s) can travel underwater, without the sea affecting or decreasing the intended function. Though any objects can be thrown as projectiles, whether inanimate or living beings, this power cannot mark inanimate objects as targets, as Decken used his hands to mark his targets, only for that hand to touch the projectile he intends to throw without changing the mark.[6]

Decken meat shield
Hody using Decken as a meat shield.
CaluaAdded by Calua

While this ability is capable of sending objects to the target, it does not give the user the capability of controlling the direction or trajectory of the item, it will just follow a path to the target, moving past every thing along the way. Despite this, the thrown object is not guaranteed to hit even particularly fatally; even at point blank range, a knife thrown at Shirahoshi only hit her in the shoulder. Also, despite the incredible force of the thrown projectiles, they can still be blocked by obstacles or people of sufficient strength, in which the effect of the fruit will be nullified, and the item reverts back to being stationary. It will not act completely like a homing device. And as admitted by Decken himself, there are ways to protect one's self from his power. This is shown when an axe Decken threw stopped following its target, in this case Princess Shirahoshi, after Luffy blocked it. Hody has taken advantage of the fire-and-forget concept of his projectiles and used Decken himself to block the path of a thrown axe. Also if the user dies or falls unconscious, the effects of his ability will disappear.

The Mato Mato no Mi user can also memorize as many targets as how many hands he has (in Decken's case, two). However, in order to keep being able to target a certain person, the user must keep the hand that touched them from physically touching anyone else.[7] Reasonably, owing to the fact that Decken must "mark" the target by touching them with his hands, he can be heavily disadvantaged in long-range combat against someone whom he had never marked before.[8] Outside of combat, the power can serve as a sort of homing device to find the target's location. Vander Decken IX used this idea to find Shirahoshi when he realized she wasn't in the tower. He threw a large piece of coral and then jumped on it, riding it to Shirahoshi's location. When a target person dies, the ability of throwing is removed, which was how Decken became aware that Shirahoshi was still alive in spite of the repetitive projectiles that he kept sending at her, all of which were successfully deflected by Luffy.[9]

Another weaknesses is that the user must not fall unconscious or die while an object is following its target, or the effect is cancelled. This was first seen when Decken fell unconscious and Noah stopped chasing Shirahoshi, sinking back to Fishman Island.

Other than that, the user is still affected by the standard Devil Fruit weakness, as shown when Decken has to coat his ship and leave his ship in a Flutter Kick Coating, despite being a fishman.


One of the user's hands "locked on" a target, this being Shirahoshi.

Decken has been using this fruit's power to launch projectiles at Shirahoshi from great distances, in order to threaten her for marriage, even aiming to take her life. This was the reason why the princess is locked up in the Hard-Shell Tower for a decade, to block off all incoming projectiles.[10] Due to Decken keeping his right hand memorized with Shirahoshi's touch, he can only use his left hand to memorize other targets.[7] Shirahoshi, not knowing about Devil Fruits, referred Decken's power to be a "curse" named Mato Mato, a statement that Decken also tells others.


  • This Devil Fruit marks the first time a Devil Fruit was consumed by a fishman in the current storyline, and the first Paramecia fruit to make a debut after the timeskip.
  • Like Bartholomew Kuma, Decken has to wear gloves to control some of the effects of his Devil Fruit. Also, like Kuma's Nikyu Nikyu no Mi, the hands of the user play a crucial role in implementing this fruit's power. It even follows the theme where the user can send objects and people away.
  • This Devil Fruit is the second occasion in which one was mistaken to be a curse, the first being the three fruits consumed by the Gorgon Sisters.
  • Similar to Bentham's Mane Mane no Mi, this fruit also follows a "memorizing" theme that the user must initiate with the use of their hands. Unlike Bentham's power, however, either hand can be used for the same ability, whereas with Bentham's power, each hand is used for different abilities.


  1. One Piece Manga and Anime — Vol. 62 Chapter 613 and Episode 532, Vander Decken IX first demonstrated his powers.
  2. One Piece Blue Deep: Characters World (p. 225), the name "Mato Mato no Mi" is confirmed.
  3. One Piece Manga and Anime — Vol. 65 Chapter 637 and Episode 558, Jinbe confirms that Decken is a Devil Fruit user.
  4. One Piece Manga — Vol. 62 Chapter 614, Shirahoshi claimed that Decken's Mato Mato no Mi powers is a "curse".
  5. One Piece Manga — Vol. 63 Chapter 615, Decken himself tells the humans captured by Hordy Jones that his powers is a "curse".
  6. One Piece Manga and Anime — Vol. 65 Chapter 640 and Episode 561, Decken uses the same hand he marked Hody to throw an axe.
  7. 7.0 7.1 One Piece Manga — Vol. 63 Chapter 615, Decken explains that he can only memorize the number of targets equal to the number of his hands.
  8. One Piece Manga — Vol. 63 Chapter 618, Luffy made quick work of Decken upon their first confrontation.
  9. One Piece Manga — Vol. 64 Chapter 631, Decken claims that all his projectiles keep flying at Shirahoshi because she is still alive.
  10. One Piece Manga — Vol. 62 Chapter 612, the Hard-Shell Tower's front gates are riddled with weapons thrown by Decken.

External LinksEdit

  • Track & Trace - A Wikipedia article on the device that is similar to Decken's ability.

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