Zoan is one of the three Devil Fruit types. This type of fruit allows the user to transform into another species and inter-species hybrid forms at will. Zoan types are especially effective in close combat.
Here’s the list about the 10 Strongest Zoan Devil Fruits:
10 – BOA SANDERSONIA
Sandersonia was fed the Hebi Hebi no Mi, Model: Anaconda, a Zoan-class Devil Fruit that allows her to transform into an anaconda hybrid and a full anaconda at will. Her sister Marigold was given a similar fruit.
The fruit’s major strength, as demonstrated by Sandersonia, is that along with physical strength gained from their transformed forms, they gain a long versatile body that they can use like a real anaconda. However, the tail of the form can be tied to an object to limit their movement and leaving them vulnerable.
9 – PELL
Pell ate the Tori Tori no Mi, Model: Falcon. A Zoan-type Devil Fruit that allows him to become a large falcon and a falcon-human hybrid at will, granting him enhanced senses of a falcon, along with the advantage of having one of the only few Devil Fruits that allow flying. In his full falcon form, he can carry other people on his back while flying. Also in this form, weight does not seem to be much of an issue, as he carried a massive bomb high into the air without showing any strain.
8 – KAKU
Kaku ate the Ushi Ushi no Mi, Model: Giraffe, a Zoan-class Devil Fruit which allows him to transform into a giraffe-human hybrid and a full giraffe.
When in animal or animal/human-form, he can make further use of Rankyaku, as he gains two additional legs. The power of his Rankyaku is also increased, as seen when he uses Rankyaku: Amanedachi to slice through the whole tower that he and Zoro are fighting in.
7 – JABRA
Jabra ate the Inu Inu no Mi, Model: Wolf, a Zoan-class Devil Fruit which gives him the power to change into a full wolf and a human-wolf hybrid that resembles a werewolf.
This greatly increases his physical strength, allowing him to deal more damage with his Rokushiki techniques, which is further complimented by the sharp nails granted by his transformation. Being a carnivorous Zoan user, Jabra is more battle-adept than a regular Zoan.
6 – X DRAKE
X Drake possesses what is referred to as a “rare, Ancient Zoan Devil Fruit”, giving Drake the ability to transform into a theropoda dinosaur. In this form he is large and powerful enough to directly wound one of the Pacifista troops by biting it in the head, something that is quite difficult due to the cyborg’s heavy armor. It is also mentioned that the more carnivorous a Zoan fruit is, the fiercer the combat abilities gained from eating it, which suggests that Drake’s Devil Fruit makes him a strong and formidable opponent.
5 – ROB LUCCI
Rob Lucci ate the Neko Neko no Mi, Model: Leopard, a Zoan-type Devil Fruit which allows him to transform into a leopard and a giant leopard-human hybrid. As Zoan class Devil Fruits enhance physical capabilities the most, it is most favored by martial artists like Lucci. Also, being a carnivorous animal, Lucci is more bloodthirsty and predatory than a regular Zoan class user.
4 – JACK THE DROUGHT
Jack has eaten the Ancient Zoan-type version of the Zou Zou no Mi, which allows him to become a mammoth, granting him immense size and strength; in this form, he leveled part of a city by simply swinging his trunk.
3 – MARCO THE PHOENIX
Marco ate an immensely powerful type of Zoan Devil Fruit, said to be the rarest type, even rarer than Logia fruits. While this fruit’s power is classified as a Zoan, due to the uniqueness of the phoenix itself, the additional powers it grants may be considered similar to those of Paramecia (the somewhat “superhuman” power that affects the user’s body: regeneration) and Logia (the generation of blue phoenix flames).
2 – SENGOKU
Sengoku ate the Hito Hito no Mi, Model: Daibutsu, a rarer-than-Logia Mythical Zoan-class Devil Fruit which allows him to turn into a gigantic Daibutsu, gaining an extreme boost in strength to match his size.
In addition to a full and hybrid transformation that are available to all Zoan Devil Fruit users, he can use palm thrusts to launch powerful shock waves.
1 – KAIDO
Kaido appears to have eaten a Mythical Zoan-type Devil Fruit that allows him to turn into a serpentine dragon. In this form, he is capable of flight and dark clouds fill the sky wherever he goes.
He can also release a massive fire blast (Boro Breath) from his mouth towards a target. It travels very quickly and is extremely powerful, being capable of instantly decimating large structures like the ruins of Oden Castle.