5- SHIKI
Shiki the Golden Lion, also known as the “Flying Pirate”, is the admiral of the Golden Lion Pirates and the first known prisoner ever to escape from Impel Down.
During Roger’s era, he was one of the most powerful figures of the time, being on par with Sengoku, Garp, Whitebeard, and Roger. Before that era, Shiki was a member of the Rocks Pirates, a powerful crew whose members included three future Yonko.
Shiki possesses great skills in swordsmanship as he dual-wielded Oto and Kogarashi to single-handedly massacre an entire army of Marines before getting subdued by Garp and Sengoku.
After the two swords became his prosthetic legs, not only he has little difficulty in standing or walking while using them, he is also capable of attacking from a distance with them by sending slashes from his sword legs in a Rankyaku like fashion. These air-blades have a light-yellow/gold color-scheme, matching his epithet.
He also combines his sword skills with his Fuwa Fuwa no Mi, a Paramecia type Devil Fruit which allows him to make surrounding non-living matter levitate once he has come in contact with it.
4- FUJITORA
In terms of combat strength, Fujitora is considered to be one of the strongest fighters within the entire World Government structure.
Fujitora is a Marine Admiral. He ate the Zushi Zushi no Mi, a Paramecia-type Devil Fruit that allows him to manipulate gravity around a chosen location at will by sending gravitational forces.
While other admirals have been shown to mostly rely on their Devil Fruit abilities in battle, Fujitora wields a shikomizue (a cane sword) in tandem with his Devil Fruit ability. The connection between these two factors has yet to be explained, though it seems he channels his power through the sword.
Fujitora has an extremely high level of skill in Busoshoku Haki. He could focus a strong concentration of Busoshoku Haki into his sword, turning it obsidian black and making it strong enough to defend against the razor sharp threads of the Birdcage, which can slice cannonballs and buildings with great ease.
He’s also masterful in Kenbunshoku Haki, which he uses to compensate for his blindness in battle.
3- KOZUKI ODEN
Kozuki Oden had tremendous physical strength since infancy. By age two, he could catch rabbits with his bare hands, and at age four, he killed a bear by throwing a boulder at it. His combat and charisma combination was best seen in his restoration of peace to Kuri, where he defeated the powerful Ashura Doji(someone noted to be worth 100 men in battle) and then proceeded to round up the rest of the dangerous criminals and get them to work under him, including Ashura.
Oden was an extremely powerful master samurai, dual wielding the legendary blades Ame no Habakiri(the sword said to be able to cut “heaven” itself) and Enma(the sword said to be able to cut to the “bottom of hell”) in a style of swordsmanship known as Daito Nitoryu.
At age nine, Oden could fight an entire Yakuza gang in the Flower Capital. At age 18, he struck down a massive beast known as the Mountain God.
Oden possessed Haoshoku Haki, a very rare type of Haki whose users are said to have the qualities of a king. During his initial encounter with Edward Newgate 30 years ago, their sudden clash created a notable effect similar to lightning and released a large burst.
Oden possessed an extremely high level of skill in Busoshoku Haki, as shown when he hardens his swords to cleanly bisect the gigantic beast known as the Mountain God cleanly in half. He mastered this form of Haki to a point where he is the only samurai who could fully control Enma’s ability to drain massive amounts of Busoushoku Haki, and even permanently scar the near-invulnerable Kaido, something no one else has been able to.
2- RYUMA
Ryuma was a legendary samurai from Wano Country.
He was renowed for his immense mastery in swordsmanship. His skills resembled a mix of Kenjutsu and Battojutsu. He could slice through copper, kill Cyrano, a first-rate swordsman, and an enormous dragon with little effort.
He was renowned as the strongest swordsman of his time. Due to this, as well as his strong belief in protecting others, Ryuma was also called “King,” the swordsman who carries the world’s greatest “Warrior’s Soul”.
At some point in time after his death, he came to be known as the Sword God in Wano Country and his skills continue to be regarded as legendary.
Ryuma possessed a sword called Shusui, one of the 21 Great Swords. It is distinguished by its black blade and flower-shaped guard. It was said that Shusui was not always a “black blade”, and it became one after many battles alongside its master.
Due to its association with Ryuma, Shusui is considered the national treasure of Wano Country.
1- DRACULE MIHAWK
Mihawk is the current holder of the title, “Greatest Swordsman in the World”.
Part of Mihawk’s reputation as the most powerful master swordsman in the world is also due to his tremendous superhuman physical power and fortitude which supplements his mastery of swordsmanship.
Mihawk demonstrates tremendous dexterity and supreme skill in swordsmanship, especially when using his main sword, the Black Sword Yoru.
His swordsmanship is extremely versatile, from destroying entire fleets of ships and giant icebergs with immense power using the Strong Blade swordsmanship to being able to deflect the course of bullets with masterful and graceful precision. He is also able to cut through steel with immense ease and swiftness.
The fact that Mihawk used to be a rival of one of the Yonko implies that Mihawk might be one of the strongest characters in the series. Infact he has been known to have frequently fought with Shanks when they were younger. Their battles were said to shake the whole of the Grand Line and Mihawk often sought Shanks out for duels. However, Mihawk lost interest in him after Shanks lost his left arm. Mihawk has remained unharmed thus far throughout the entire series.
