Roronoa Zoro is one of the best swordsmen in One Piece. From a young age, Zoro was motivated by the desire to become the strongest swordsman in the world. He knew that accomplishing the goal wouldn't be easy, which is why he trains his body.

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One Piece: 39 Strongest Characters In The Series

These are the strongest characters to sail the seas of the One Piece world.

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As one of the main fighters of the Straw Hat Pirates, Zoro has engaged in combat with some of the most infamous villains in One Piece. These experiences helped Zoro grow stronger and challenge even bigger names. Currently, Zoro can use all three types of Haki, including the advanced versions of Conqueror's and Armament Haki. If that isn't enough, he also has access to three high-quality blades that increase his attacking power further. With his current skillset, Zoro can even take down some legendary pirates in One Piece.

This post contains spoilers for One Piece.

Crocus

Crocus holding a harpoon
  • Affiliation: Roger Pirates

Crocus was the doctor of the Roger Pirates. It was due to his medicine and care that Roger was able to stay alive and finally find the One Piece. One could say that without Crocus's help, Roger would never have reached Laugh Tale and become the Pirate King.

As a member of the Roger Pirates, it's safe to say that Crocus is considered nothing short of a legend. In fact, any person who traveled with Roger for such a long time belongs in the same bracket. Since Crocus is a doctor, he doesn't have crazy levels of strength, so Zoro can defeat him without any problem.

Captain John

big mom and captain john one piece chapter 1157 raw scans
  • Affiliation: Rocks Pirates

Captain John was a member of the Rocks Pirates, who were active many years prior to the current timeline. Considering John was a member of Xebec's crew, it's safe to say that he was not a weakling. He possessed the Jiki Jiki no Mi, the same Devil Fruit that currently belongs to Eustass Kid.

One Piece Pirate Crews Best Haki
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Captain John had good control over the Devil Fruit, and he often used it to steal treasure and attack his enemies. Despite having the Jiki Jiki no Mi at his disposal, Captain John wouldn't stand a chance against Roronoa Zoro.

Don Chinjao

One Piece Don Chinjao fighting against Lucy
  • Affiliation: Happo Navy

Don Chinjao used to be the captain of the Happo Navy, and he was known across the world for his drill-shaped head. Chinjao's head was so strong that it could pierce through a thick sheet of ice, and he used this to his advantage. Chinjao would separate the sheet to store treasure inside, which kept it safe from others.

GameRant Quiz

GameRant Quiz

Furthermore, Don Chinjao would coat with Haki to increase the potency of his attacks. Naturally, his fame began to spread across the world, and it earned him a bounty of 500 million berries. A lot of time has passed since, and currently, Chinjao is merely a husk of his former self, which is why Zoro would have no problem beating him.

Charlotte Katakuri

Katakuri Staring Down Luffy In The Mirror World In One Piece
  • Affiliation: Big Mom Pirates

Charlotte Katakuri is the second-strongest member of the Big Mom Pirates. From a young age, Katakuri assumed the responsibility of protecting his siblings, which is why almost every single person within the crew respected him. Katakuri is not driven by power, but rather by his desire to keep his family.

With so many threats looming, Katakuri knew that becoming strong was the only way to prevent any harm from befalling his siblings. As a result, Katakuri trained his Haki to the point that it allows him to see the future. The Sweet Commander also possessed the Mochi Mochi no Mi, which allows him to create and control mochi at will. A fighter of Katakuri's capability will certainly give Zoro a run for his money, but the latter will ultimately reign supreme.

Dorry and Brogy

Dorry and Brogy Strongest Haki Users Elbaf Arc one piece
  • Affiliation: Giant Warrior Pirates

Dorry and Brogy are the captains of the Giant Warrior Pirates. The two hail from Elbaf and are considered among their greatest warriors ever. As giants, Dorry and Brogy possess immense physical strength, which allows them to pummel most characters with ease.

While the duo is skilled at using weapons, they can even resort to hand-to-hand combat if the situation calls for it. However, even they cannot beat someone like Zoro. The swordsman can use Advanced Conqueror's Haki, which is more than enough to deal significant damage to Dorry and Brogy and bring them to their knees.

Marco

Marco the Phoenix using the Bird-Bird Fruit, Model: Phoenix during the Summit War in One Piece.
Marco the Phoenix using the Bird-Bird Fruit, Model: Phoenix during the Summit War in One Piece.
Image via Toei Animation
  • Affiliation: Whitebeard Pirates

Marco is the former captain and First Division Commander of the Whitebeard Pirates. He joined the crew as a youngster and stayed on board until the death of Whitebeard. After decades of sailing with one of the greatest pirates in history, Marco gained valuable fighting experience. Even when the odds are stacked against him, he can assess the situation calmly and figure out the best way to deal with it.

Marco's Tori Tori no Mi, Model: Phoenix is another reason why he is so strong. The Mythical Zoan-type Devil Fruit allows Marco to transform into a phoenix at will. Furthermore, the flames help him to recover from all kinds of injuries. Considering Marco's strength, Zoro might struggle a bit to beat him, but there is absolutely no question that the outcome will be in his favor.

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One Piece
Release Date
October 20, 1999
Network
Fuji TV
  • Cast Placeholder Image
    Mayumi Tanaka
    Monkey D. Luffy (voice)
  • Cast Placeholder Image
    Kazuya Nakai
    Roronoa Zoro (voice)

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