Devil Fruits are an important source of power in the world of One Pieceas they grant enormous power to those who eat them in exchange for the ability to swim. Although most of the strong characters in the story possess Devil Fruit powers, not all of them have one.
Characters like Shanks rely on other powers, such as Haki, to fight against the strongest in history and manage to keep up with them without even relying on the powers of the Devil Fruits. Other powers, such as scientific technology, also add to the vast arsenal of powers that can be used without relying on Devil Fruits.
10 hellish memories could easily burn a Yonko commander
Memories of Hell is an extremely powerful technique used by Sanji and appears to be the pinnacle of his fire-related powers in history. This power seems to be accessible only when Sanji is burning with rage, which means that the more angry he gets, the stronger the technique becomes.
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Sanji used Memories of Hell against Wadatsumi on Fishman Island and later against Plague Reign on Onigashima. With her extreme firepower, Queen flew off in agony.
9 Ryu No Ibuki can destroy things from within
Used by none other than the Chief of Staff of the Revolutionary Army, Ryu no Ibuki is an extremely dangerous technique that is based on the Ryusoken fighting style. Upon finding the core of a target, Sabo is able to send a Haki shock wave straight to the center, piercing through the outer defense quite easily. Thus, the target implodes and is destroyed from within.
Due to how this technique works, it is most likely based on the use of the Ryuo of Inner Destruction that was explained in Wano Country.
8 Kiki Kyutoryu: Dead Man’s Game is Zoro at his finest
Roronoa Zoro’s strongest technique, called Dead Man’s Game, was unleashed by him against Kaido on the roof of Onigashima. This technique was quite powerful and allowed him to slash Kaido across the chest. However, keep in mind that this technique is usually not that powerful.
Zoro accidentally managed to infuse this technique with Conqueror Haki, likely due to Emma’s ability to extract excess Haki from the user, which could have caused Zoro’s dormant Conqueror Haki to awaken.
7 Luffy’s Conqueror Haki infusion put Kaido on his back
In Luffy’s fight against Kaido, he threw everything he had against the Yonko and, although he managed to hurt Kaido, he was not able to take him down with just Ryuo. To have a chance to defeat him, Luffy had to learn how to infuse Conqueror’s Haki into his attacks.
Once he succeeded, a simple punch from him was able to knock Kaido down on his back, which was extremely impressive.
6 Garp’s fist was powerful enough to destroy 8 mountains
Vice Admiral of the Navy, Garp is known to be the strongest of all the marines in history. He was a rival of the Pirate King, Gol D. Roger, and possessed the power to fight on equal terms against him. Garp is a well-known Armament Haki specialist.
In his fight against Chinjao, he claimed to have destroyed 8 mountains to dust while heating to crush his head, which he succeeded in doing.
5 Big Mom’s Conqueror Haki Infusion One-Shot Page One
Like Luffy and Kaido, Big Mom can also infuse her body with the Conqueror’s Haki and become much stronger. On Onigashima, Big Mom was seen wielding this power against Page One when she approached the Straw Hat Pirates.
Hearing that the inhabitants of Okobore City were injured, Big Mom unleashed a powerful Conqueror Haki strike that was empowered by Ryuo to completely knock Page One out.
4 Kamusari sent a samurai like Oden to fly
The Kamusari is quite a powerful technique and was used by the Great Pirate, Gol D. Roger on Kozuki Oden. When the two met on the Grand Line, Roger welcomed Oden by sending a shock wave of Conqueror’s Haki at him, sending him flying miles away.
Oden, who was able to face Whitebeard in battle, could not even clash swords with Roger. The kamusari is certainly not Roger’s strongest technique, but it is certainly up there with the best.
3 Togen Totsuka gave Kaido his only scar until recently
Togen Totsuka was the strongest technique known from the strongest samurai in the Wano country, Kozuki Oden. Thanks to his incredible prowess in fighting, Oden became a master to Ryou and it is implied that he also learned to infuse his attacks with the Conqueror’s Haki.
Using this power to coat his blades, Oden was able to mark Kaido and make him bleed profusely. If Higurashi hadn’t interfered in the battle, Oden would have killed Kaido.
2 Raime Hakke was able to take down Kozuki Oden
The Raime Hakke, also called Thunder Bagua, is one of Kaido’s strongest abilities in history. He debuted against Luffy in the Wano Country arc and in it Kaido uses the Conqueror’s Haki to coat his kanabo.
Using both the Conqueror Haki and Armament Haki, Kaido is capable of taking down almost anyone with a single hit, proving just how skilled he is with this power.
1 Conqueror of Three Worlds: Ragnaraku is Kaido at his finest
Kaido used the Ragnaraku against Luffy when the two fought on the roof of Onigashima. Although Luffy survived his Thunder Bagua, the Ragnaraku proved impossible for him to apply successfully, as Kaido was in his hybrid form. Additionally, Kaido leaps into the air to perform this technique, giving him an extra boost when he hits his Conqueror Haki-infused kanabo.
Without a doubt, this technique is incredibly powerful. Kaido undoubtedly has more powerful techniques up his sleeve, but fans haven’t seen them yet.