Although Devil Fruits are the most well-known items in Eiichiro Oda's One Piece series, there are many other relevant items that make up the lore. Most of them are either treasures or weapons, and in this article, we'll be discussing the latter group by presenting a list of the most powerful swords in the world of One Piece. Some of these swords are truly astonishing, and we'll be ranking the 20 most powerful ones, from weakest to strongest.

20. Sukesan and Kakusan

Owner: Kinemon

Sukesan and Kakusan are a pair of katanas wielded by Kin'emon, featuring a rectangular tsuba and flame-patterned scabbards. Kin'emon uses these blades in his "FireFox" sword style, wielding them individually or dual-wielding them. He has possessed Sukesan and Kakusan since at least the age of 23. However, during the Onigashima rooftop battle against Kaidou, these swords were apparently lost, with Kin'emon later seen using different pairs with circular tsuba.

19. Shichiseiken

Owner: Saga

Shichiseiken is the main antagonist of the fifth film, and after its evil power enters Saga's body, the cursed blade self-destructs. Cursed upon its creation, the Shichiseiken grants immense power but corrupts its wielder's mind. It has the ability to fuse with its wielder, allowing them to slice through objects with their bare hands at any distance, making them nearly unstoppable. Despite its durability, Zoro's attack, Yaki Onigiri, intended to destroy the Shichiseiken, leaves no mark on the blade.

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18. Shigure

Owner: Tashigi

Shigure is a Meito-class katana currently owned by Tashigi. It has a green hilt with a unique four-petal design and a regular blade. The sheath is elaborate, with a green, bumpy upper half and a smooth, white lower half adorned with circular patterns. In the manga, Shigure's hilt and grip are blue. Though rarely seen in action, Shigure has demonstrated tenacity, withstanding the impact of a cannonball and deflecting it.

17. Kashu

Owner: Mr. 11 → Tashigi

Kashu is a Ryo Wazamono-class sword that originally belonged to Baroque Works agent Mr. 11. After losing it in a duel against Tashigi, the sword came into his possession. While the sword's combat abilities remain unseen, its classification as a Ryo Wazamono suggests that it is quite powerful, as it is part of the prestigious group of 50 Ryo Wazamono-grade swords.

16. Sandai Kitetsu

The Sandai Kitetsu is a cursed sword made under the name Kitetsu, known to bring bad luck to its owners. Despite warnings of potential damage, Zoro tested the curse by wielding the blade, plunging deep into the ground without injury. Zoro describes the sword as having a mind of its own, calling it a "troublesome girl," and incorporates it into his santoryu, using it along with his other two swords.

15. Yubashiri

Yubashiri was an exceptionally light yet strong katana, praised by Zoro for its ease of use and sharp cutting power. It was part of Zoro's santoryu, often paired with the Sandai Kitetsu in his two-sword style. After the sword was destroyed, Zoro replaced it with the Shusui. During the Battle of Enies Lobby, when Zoro's right hand was cuffed with sea stone, he improvised by combining Yubashiri with Sogeking to create the "hana arashi sword," using Sogeking as the hilt, until they obtained the keys to free themselves.

14. Pretzel

Owner: Charlotte Cracker

Pretzel is Charlotte Cracker's unique Meito sword, a long saber with a thin black handle. During the battle with Luffy, Cracker multiplies Pretzels using the power of Bisu Bisu no Mi, inducing Armament Haki for specific techniques. Cracker uses Pretzel to enter The Seducing Woods, engaging in combat with Luffy and demonstrating his versatility through Multiplication and Coating Haki.

13. Durandal

Owner: Cavendish

Durandal is a Meito, one of the most powerful sabers in the world, belonging to Cavendish. Its exact rank is currently unknown, and it is a court sword with a rapier-like length, almost equal to Cavendish's height when seated. The sword features contrasting black and white on its scabbard and handle, adorned with carved rings and flowers. Durandal is made of a highly flexible iron, allowing it to withstand powerful blows, and it is double-edged and durable enough to counter Don Chinjao's infamous headbutt, known to have split an Arctic continent.

12. Oto and Kogarashi

Owner: Shiki

Oto and Kogarashi are Meito-grade swords used by Shiki to replace his legs. Shiki demonstrates great skill with these swords, demonstrating his power by killing numerous soldiers at Marineford and facing renowned figures like Gol D. Roger, Monkey D. Garp, and Sengoku. After escaping Impel Down, Shiki uses the swords as his new legs, displaying the ability to expel air blades similar to CP9's Hurricane Foot technique, with the air blades having a yellow/orange color matching Shiki's epithet. Additionally, he combines his sword skills with his Fuwa Fuwa no Mi, slicing through bodies of water.

11. Ray

Owner: Shiryu

Raiu is a Nodachi and a Meito-grade sword whose name means "Storm." Owned by Shiryu, little is known about Raiu's abilities, but being part of the Meito indicates its power and durability. The sword was taken from Shiryu while he was imprisoned on Level 6 of Impel Down, but was later reclaimed when Shiryu joined Blackbeard's Pirates, killing the guards alongside Raiu. Shiryu used Raiu by surprise in Pirate Island against Moria, taking advantage of a trick by Catarina Devon.

10. Nidai Kitetsu

Owner: Kotetsu → Tenguyama Hitetsu, Monkey D. Luffy (temporary)

Nidai Kitetsu is a cursed sword, one of the 21 swords of the Ō Wazamono category, created by Kitetsu along with Shodai Kitetsu and Sandai Kitetsu, and forged by Kotetsu. Its abilities are unknown, but being one of the 21 Ō Wazamono suggests power and durability. Like other Kitetsu swords, it is said to be cursed and result in the death of its wielder. Luffy obtained the Nidai Kitetsu from Tenguyama Hitetsu and used it against Basil Hawkins's minions, striking with the fist that held the sword. Kikunojo later returned the sword to Tenguyama Hitetsu.

9. Wado Ichimonji

Owner: Shimotsuki Kozaburo → Kuina → Roronoa Zoro

Wadō Ichimonji is one of the thirty-two best katanas in the world, classified as Ō Wazamono and renowned for its extreme power and durability. Zoro wields this sword, often placing it in his mouth. Forged by Shimotsuki Kozaburo over 50 years ago, it was passed to Kuina and then Zoro. Tashigi pursues Zoro to retrieve the sword, believing it should not be in the hands of a pirate.

8. Shusui

Owner: Ryuma → Roronoa Zoro → Wano Country

Shusui, an Ō Wazamono, ranks among the thirty-two finest katanas in the world and is the national treasure of Wano Country. Reputed to have enabled the exploits of the legendary samurai Ryuma, the sword turned black after numerous battles. Zoro considered Shusui a pivotal element in the battle against Kaido's crew before acquiring Enma. Ryuma, resurrected by Brook's shadow, wielded Shusui with immense strength, enhancing his swordsmanship, and Zoro noted its potential to surpass even other excellent Meito like Wado Ichimonji and Sandai Kitetsu.

Shusui greatly enhances the user's attack power, demonstrated by Zoro creating a devastating air blade with tenfold destructive power during the Hyakuhachi Pound Ho against Oz. Zoro praised its sturdiness, stating that it would not bend even under the foot of a dinosaur. Despite its exceptional qualities, Shusui has flaws, notably its heavy weight, which initially challenges Zoro's maneuverability. After intense training with Mihawk, Zoro overcame these challenges, making Shusui his preferred blade. After leaping through time, it effortlessly slices through a pirate ship, demonstrating his mastery of the sword.

7. Ame no Habakiri

Owner: Tenguyama Hitetsu → Kozuki Oden → Kozuki Momosuke

Ame no Habakiri, a Meito crafted by Tenguyama Hitetsu, is one of the 21 O Wazamono and was used by Kozuki Oden alongside Enma. Hitetsu considers it his masterpiece, capable of "slicing the sky itself" when fully mastered. In Oden's hands, Ame no Habakiri and Enma inflicted the only known injuries on Kaido, leaving him with a massive scar. Oden has shown its power by cleanly slicing through a giant mountain god and opposing the Saijo-grade Murakumogiri naginata O Wazamono wielded by Whitebeard.

6. Enma

Owner: Roronoa Zoro

Enma, Shimotsuki Kozaburo's masterpiece and one of the 21 O Wazamono, ranks among the finest swords in the world. Zoro considers it a worthy replacement for the legendary Shuusui. Tenguyama Hitetsu describes Enma as capable of "slicing into the depths of the underworld" alongside Ame no Habakiri's ability to "slice the sky itself." Mastery of Enma grants tremendous cutting power, evident when used by Kozuki Oden, who, with Ame no Habakiri, inflicted the only known injuries on Kaido, leaving him scarred. Enma draws an excess of Armament Haki from its user, making it difficult to wield, but with mastery, it can be tamed to reach even greater heights.

5. Griffin

Owner: Shanks

Shanks's sword, Gryphon, has a longer-than-average blade with a green handle and a beige hilt. Shanks carries it in a blue sheath on his right side. Gryphon proves his power by withstanding clashes with Edward Newgate's bisento, causing a force that splits the clouds in the sky without taking any damage. Additionally, when infused with Haki, he demonstrates resilience against Sakazuki's lava attacks.

4. Shodai Kitetsu

Owner: Kitetsu

The Shodai Kitetsu is one of the 12 Saijo Ō Wazamono swords, part of the cursed Kitetsu series alongside the Nidai Kitetsu and Sandai Kitetsu. While its appearance is unknown, being a Saijo Ō Wazamono indicates significant power, similar to Mihawk's Kokuto Yoru. As a cursed sword, it is known to bring misfortune and death to its owners.

3. Murakumogiri

Owner: Edward Newgate / Whitebeard

Murakumogiri is Edward Newgate's Naginata and one of the 12 Saijo Ō Wazamono swords, possessing formidable power. This allows Whitebeard to clash with Shanks's sword, causing atmospheric disturbances as they clash. Whitebeard wields it effortlessly with one or both hands, enhancing its destructive power with the abilities Armament Haki and Devil Fruit. As one of the 12 Saijo Ō Wazamono, Murakumogiri is among the most powerful blades in the world, demonstrating resilience against magma attacks and remaining intact even after two years at Whitebeard's grave.

2. Yoru

Owner: Dracule Mihawk

Yoru, or Kokuto Yoru, is a black blade ranked among the 12 Saijo O Wazamono, wielded by Mihawk, a former member of the Seven Warlords of the Sea. Described as one of the finest swords in the world, it grants Mihawk the ability to cut through virtually anything, from Don Krieg's flagship to Aokiji's frozen tsunami. Mihawk wields Yoru with great finesse, effortlessly deflecting bullets and creating slashing blades of air for ranged attacks. The sword's black blade is said to be indestructible, known for its exceptional strength and resilience, as acknowledged by Roronoa Zoro.

1. Ace

Owner: Gol D. Roger

Ace, the sword wielded by Pirate King Gol D. Roger, is a prestigious Meito ranked among the 12 Saijo Ô Wazamono. This full-sized sword has a slightly curved blade adorned with a saw-like pattern on both sides. Its distinctive features include a yellow/orange hilt with a diamond-shaped pattern, a golden grip, and a black handguard extending from the top of the hilt to the sheath.

As one of the 12 highest-quality Meito, Ace stands out as an exceptional and durable blade, with unparalleled strength and resilience, evident in its history of use by the former Pirate King in numerous exploits, including the God Valley Incident and clashes with Edward Newgate. The sword's pristine condition attests to its sturdiness, withstanding powerful blows from formidable opponents like Whitebeard. Roger has demonstrated the ability to imbue Ace with both Armament Haki and Conqueror's Haki.

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