Zoro can eat 3 devil fruits.
9 Won't Eat: Roronoa Zoro
Wielding three swords, Zoro possesses immense proficiency in this art and, over the course of time, his Haki has been consistently improving as well. For someone like Zoro, eating a Devil Fruit doesn't make much sense because he doesn't need to depend on one.
While a part of this can be attributed to his extremely notorious crew, Blackbeard has another ace up his sleeve: he is the only confirmed character in the entire series to possess the power of two Devil Fruits.
Mihawk's strength is so great that Don Krieg accuses him of having the power of a Devil Fruit. While it has not yet been officially confirmed that he does not, it has only been indicated that his abilities are from pure skill and power.
The Supa Supa no Mi is a Paramecia-type Devil Fruit that enables the user's body to gain characteristics of a steel blade to attack opponents with, making the user a Fullbody Bladed Human (全身刃物人間, Zenshin Hamono Ningen?, VIZ: "Human Sword"). It was eaten by Daz Bonez, also known by his Baroque Works alias Mr. 1.
One of the many snake Fruits seen in One Piece, the Yamata no Orochi version is considered to be the rarest out of them all. It was eaten by the Shogun of Wano, Kurozumi Orochi, and it grants him the ability to transform into an eight-headed serpent, each head having its own personality.
Yes. But did you know that he already has a 3rd dwvil fruit but he just kept it in secret? Actually the Gura Gura no mi is already the last one he got and the yami yami no mi is the 2nd on he got.
Logia. The rarest and most powerful of the three Devil Fruit types, Logia-type Devil Fruits allow their users to create, control, and transform their body into a natural element, such as sand, mud, smoke, lightning, plant life, and even darkness.
Strengths. As with all Logia-type Devil Fruit, the Mizu Mizu no Mi grants the user the ability to transform into and create a specific element. In this case, Jackson is given the power of transforming into water. This allows Jackson to attack with water, which is one of the primary weaknesses of Devil Fruits.
Enma is the strongest sword possessed by Zoro of the Straw Hat Pirates right now. What is Zoro's weakest sword? Sandai Kitetsu has to be the weakest sword Zoro has used until now in the One Piece manga and anime.
In the two-year time skip, Zoro trained under Dracule Mihawk, popularly known as Hawk Eyes Mihawk. One of the popular theories is that the scar on Zoro's left eye is a training mishap. Many believe that Zoro lost his left eye during his training in some sort of accident or battle.
In a Water 7 filler episode, Sanji finds another hint of the All Blue's existence. Salt is brought by the Aqua Laguna from all the seas and Sanji compares it to the All Blue. It is shown to be such a good seasoning that a small amount in food is enough to outclass even his own cooking.
Points: Zoro 1, Law 0 Devil Fruit Roronoa Zoro is a very powerful character. He is known as one of the most powerful characters in the series and one of the series' best swordsmen; he is, by all means, probably going to surpass even Mihawk in the future.
In the 98th volume of One Piece, Oda answered a fan question about what Devil Fruits would fit Nami, Zoro, Sanji, Usopp, and Franky best. Nami's Fruit is the Rumble Rumble Fruit, which lets its user wield the power of lightning.
Hito Hito no Mi, or human human fruit, is a zoan type devil fruit. This fruit's effects on humans are unnoticeable because the effect itself is turning the user into a human. If Sanji ate this fruit, the only ability he would gain is a swimming disability.
One Piece shows a new awakening of a Zoan-type Devil Fruit, confirming that Luffy's version of this rare and powerful ability is absolutely unique.
The Inu Inu no Mi, Model: Okuchi no Makami is a powerful Mythical Zoan type of Devil Fruit that was introduced to the fans towards the end of the Wano Country arc. This legendary devil fruit is precious and was in possession of Kaido of the Four Emperors for quite a long time.
The Uo Uo no Mi, Model: Kraken is a Zoan-class Devil Fruit that allows the user to transform into a full or hybrid of a Kraken. It was eaten by Sun Ken Rock.
Can Luffy take second devil fruits or not? No. At present the only person who has, somehow, managed to acquire two devils fruit powers is Blackbeard, and no one knows how he did that. Normally if someone eats a second devils fruit, it'll poison them and they'll die.
The Soku Soku no Mi is a Paramecia-Type Devil Fruit that enables the user the ability to move at extreme speeds, thus making the user a Fast Human (速い人間 Hayai Ningen).
The Dark-Dark Fruit (ヤミヤミ実, Yami Yami Mi) is a Logia-type Cursed Fruit that allows the user to create, control, and transform into darkness at will, making the user a Darkness Human (闇人間, Yami Ningen).