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While all Devil Fruits in the story make their users stronger than they were before eating them, some of them aren’t all that useful and offer very small advantages, making them some of the worst seen in the story so far.

Updated April 20, 2022, by Rei Penber: The world of One Piece has seen the introduction of quite a lot of powerful Devil Fruits over the years and others that are not nearly as good. While all natural Devil Fruits make the user better in some way, there are some fruits that, when eaten, grant little to no advantage to the eater or are simply not interesting enough. These are the worst Devil Fruits in One Piece.

14 Hoya Hoya no Mi

Hoya Hoya no Mi is a Paramecia type of Devil Fruit that was eaten by none other than Charlotte Daifuku of the Big Mom Pirates. This fruit is quite interesting, as it allows the user to produce a genie from their belly once rubbed hard enough.

The genie itself is quite strong and can overpower some tough opponents for sure. However, the user’s lack of mobility puts it among the worst Devil Fruits. Furthermore, the user has to rub their belly to get the Genie to work, and so if they are prevented from doing that, this fruit is rendered useless.

13 Smile Devil Fruits

Smile Devil Fruits are artificial fruits created using a chemical known as SAD. These fruits are Zoan types and, as such, grant the powers of some animals to the users when they eat them. While these do offer some power, they are generally not as effective in combat as other Devil Fruits, and, in some cases, they can even become a hindrance.

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What’s more, SMILEs don’t even guarantee power to the eater. Only one out of every ten people eating them is a success, meaning that the other nine are left without any powers, a permanent smile on their faces, along with the inability to swim. This arguably makes SMILEs the worst Devil fruits in One Piece.

12 Zoans of Impel Down

The Jailer Beasts of Impel Down all possess Zoan-type Devil Fruits that are yet unknown to the fans. These fruits are quite powerful, however, by the looks of it, they were force-fed to the beasts and have thus turned them into mindless creatures.

At the same time, these fruits have also been forcefully awakened, and while that does make them powerful, they lose all sense of themselves, which is simply counterproductive in combat. Their lack of critical thinking also makes them quite useless in many situations unless Sadi is with them to order them around, making the jailer beasts some of the worst Devil Fruit users.

11 Kuku Kuku no Mi

Kuku Kuku no Mi is a Paramecia type of Devil Fruit eaten by Streusen of the Big Mom Pirates. This fruit allows him to turn anything inanimate into food with ease. While the food that he makes certainly does provide nutrition, it isn’t tasty at all.

Big Mom considered all of Streusen’s food to be bland, meaning it has very little to offer. In combat, once again, this fruit doesn’t shine as much, as there is little one can do with food in a fight (unless, of course, one happens to be partaking in a food fight). Without a doubt, this is one of the worst Devil Fruits to be introduced in One Piece.

10 Baku Baku no Mi

Baku Baku no Mi is a Paramecia-type Devil Fruit that was eaten by Wapol, the main antagonist of the Drum Island arc of One Piece. This Devil Fruit allows him to consume anything from people to weapons and buildings. Using Baku Baku Factory, Wapol is then able to incorporate these powers into his own body.

While this Devil Fruit makes him stronger, its powers are very limited and dependent on what Wapol eats. Most of the time, the power increment is not all that great.

9 Sube Sube no Mi

Eaten by Alvida, Sube Sube no Mi is the third Paramecia-type Devil Fruit to be introduced in One Piece. This Devil Fruit turned Alvida into a slippery woman and made her quite difficult to take on in a fight. Everything thrown her way simply slips off her skin, be it a punch or a cannonball.

This fruit also made Alvida lose weight and become incredibly beautiful, as seen during the Loguetown arc. However, one big downside of this fruit is Alvida slips off every surface and needs shoes to encumber herself.

8 Ori Ori no Mi

Another Paramecia-type Devil Fruit, Ori Ori no Mi was eaten by Rear Admiral Hina of the Marines. Its powers allow her to produce iron shackles from her body and trap anyone who touches them. As a result, the Ori Ori no Mi is quite useful to capture small-time pirates.

However, it isn’t all that effective against strong people. Luffy was able to escape right through its powers during the Marineford arc. This fruit is also hard to control as Hina has, on occasions, trapped her own allies with its powers.

7 Guru Guru no Mi

Eaten by Buffalo of the Donquixote Pirates, Guru Guru no Mi is a Paramecia-type Devil Fruit that allows him to fly by giving him the ability to create propellers on his body. This Devil Fruit is very limited as to what it can do other than that. In Buffalo’s fight against Franky, the shortcomings of this Devil Fruit were very clear.

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It has very low usability and even the ability that it offers isn’t special in the slightest. In fact, Buffalo was quite slow despite using the fruit to the best of his abilities.

6 Kame Kame no Mi

Kame Kame no Mi is a Zoan-type Devil Fruit that was eaten by Pekoms, a Lion mink who works for Big Mom. This Devil Fruit allows Pekoms to become a turtle at will and it doesn’t have many advantages, as expected.

The shell offered by this Devil Fruit makes Pekoms as hard as diamond, meaning no sword or bullet can pierce him. However, to use its powers properly, he has to revert into his shell. In combat, Pekoms doesn’t rely on it as it is very inconvenient.

5 Kilo Kilo no Mi

Consumed by Miss Valentine of the Baroque Works, Kilo Kilo no Mi is a Paramecia-type Devil Fruit that allows her to manipulate her weight between 1-10,000 kgs at will. She can become as light as a feather and float away or as heavy as a boulder and crush others.

While this Devil Fruit is certainly useful, it is very easy to counter, as seen on Whiskey Peak. The user’s attacks are linear and can easily be avoided while their movement in the air is extremely slow as well.

4 Hito Hito no Mi

Eaten by Chopper, Hito Hito no Mi is a very intriguing Devil Fruit that has turned him into a human and a hybrid at will. Using his experiments with the Rumble Ball, Chopper has been able to unlock seven transformations that aid him greatly in battle.

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While it goes without saying that Chopper’s Devil Fruit is beneficial for him, the same wouldn’t hold true for a human. In most cases, all it would do is make someone wiser.

3 Jake Jake no Mi

Another Devil Fruit of the Paramecia class, Jake Jake no Mi was eaten by Kelly Funk and its powers allow him to turn into a jacket. This jacket is completely useless until it is worn by someone. Once worn, it allows them to take over their body.

Every strength of the wearer is transferred to the jacket but it needs to be worn willingly. Jake Jake no Mi is absolutely useless unless someone else puts it on.

2 Shari Shari no Mi

Shari Shari no Mi is a Paramecia-type Devil Fruit that was eaten by Sharinguru of the Marines. This Devil Fruit allows him to turn his limbs into wheels and as expected, it aids greatly in travel, making Sharinguru a human vehicle.

However, in combat, this Devil Fruit is almost worthless as the user can do little with wheels, which act as spinning weapons. Franky dealt with it rather easily during the Enies Lobby arc, as is expected of anyone who is a capable fighter in the One Piece world.

1 Beri Beri no Mi

Eaten by Marine Captain Very Good, Beri Beri no Mi is a rather bizarre Devil Fruit as all it can do is allow the user to turn their body into several orbs shaped like berries. This makes the user immune to all blunt attacks, like Buggy is to slashing attacks.

However, it has glaring weaknesses, as demonstrated during the Enies Lobby arc. Once the head of the user is caught, they have basically lost the battle and can do little to free themselves.

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