Although Kaido introduces himself as “the world's strongest creature,” he has suffered numerous defeats in one-on-one combat. This suggests that Kaido's power is not absolute, but rather represents the high level of difficulty he poses.
Shanks is one of the few emperors in the series who has never eaten a Devil Fruit. Despite this, with the raw power of his Haki, he is able to exert absolute pressure over Devil Fruit users.
Garp is the only marine officer who has been able to fight legendary pirates like Roger head-to-head without using any fruit powers. This proves that physical strength can still be a primary factor in the One Piece universe.
Buggy is the only character who has reached the emperor level through “political coincidences” and misunderstandings, despite being below average in terms of fighting power. This shows that power is not only defined by physical strength in One Piece.
Those Who Reached the Top with Haki Mastery
Shanks' Haoshoku Haki is so advanced that he can render his enemies helpless without even landing a physical blow. His ability to halt admiral-level opponents with a single glance after the Wano arc is a concrete example of this ability.
Rayleigh, despite his age, can use both Armament and Observation Haki at a perfect level. He is one of the rare characters who combines the technical and spiritual dimensions of Haki.
Luffy's ability to use his “White” form in 5th Gear is made possible by transforming Conqueror's Haki into a physical attack tool. This demonstrates that Haki can be used not only for defense or spiritual pressure but also for generating physical power.
The Unusual Power Dynamics of Devil Fruits
Whitebeard's Gura Gura no Mi is the only fruit with the potential to “destroy the world.” However, the most interesting aspect of this fruit is that after Whitebeard's death, we have not seen its full power in any other user—meaning that the power lies not only in the fruit itself, but in the will of the user.
Law's Ope Ope no Mi fruit is known for its ability to perform “immortality surgery.” However, this ability is activated at the cost of the user's life, and it is unknown whether anyone has ever used it. This theoretically means that a character in the One Piece universe could be “immortal.”
Blackbeard's possession of two Devil Fruit powers at the same time is normally considered impossible. However, this aligns with explanations from the Roger era that hint at Blackbeard's “abnormal physique” — fans speculate that he may actually possess more than one consciousness.
Characters Who Disrupt the Balance
Imu's existence is a mystery that disrupts the entire One Piece power scale. Although he has not appeared on stage directly, his ability to control Gorosei and even the world government suggests that Imu possesses not physical but absolute power.
Monkey D. Dragon's true power has not yet been revealed in the series. However, his designation as the “most dangerous man” by the World Government suggests that he poses a threat not through direct military power but through his revolutionary influence.
The power Joy Boy has carried throughout history is more symbolic than physical. However, Luffy's transformation into the physical embodiment of this symbol through his Gear 5 form suggests that there may be a transfer of power between the past and the present.
Those at the Peak of Physical Strength
Whitebeard died without falling to the ground despite sustaining fatal wounds in the Marineford battle and having 267 sword marks, 152 bullet wounds, and 46 cannonball injuries on his body. This demonstrates that his physical endurance was almost supernatural.
Kozuki Oden became legendary for enduring boiling oil for an hour. However, a lesser-known detail is that Oden could defeat sea monsters with his bare hands using only his physical strength.
Even as a child, Big Mom was powerful enough to knock out giant pirates with a single punch. When enraged, her uncontrollable power became both a protection and a threat to the people of Totto Land.
Game Changers in Team Battles
Thanks to Marco's regenerative power, not only does he survive, but he can also heal his allies during battle. This makes him more effective in large-scale conflicts rather than one-on-one fights.
Kizaru's Pika Pika no Mi ability allows him to move at the speed of light, but this speed is even more destructive when used as a distraction in a strategic team battle. In his first battles in the series, he combined this ability with a strategic “hit-and-run” tactic.
Katakuri's Observation Haki allows him to see several seconds into the future. This enables him to “predict” a team's strategy, making this ability devastating in team battles rather than one-on-one fights.
Those Who Gain Power Through Consciousness and Psychology
Enel's Mantra (Observation Haki) has a range wide enough to track thousands of people on Sky Island. This ability is a tool of control, not combat.
Doflamingo's power does not stem solely from the Ito Ito no Mi fruit; his ability to exert psychological pressure allows him to manipulate his enemies when they are at their weakest. Many of the people of Dressrosa had already surrendered before the battle even began.
Even when his consciousness was taken and he was turned into a weapon, Kuma continued to protect the Straw Hat crew as programmed. This shows that even if memory is erased, some fundamental aspects of a character's personality can be reflected in their power.
The Unbalanced Power Potential of the New Generation
Eustass Kid can use his magnetic powers to turn his enemies' weapons against them. However, his power is still unstable, and his greatest weakness is his lack of planning.
Trafalgar Law demonstrates that he can be both a surgeon and a tactician with his fruit's surgical ability, as well as teleportation, cutting, and manipulation. Few characters in the series possess such multifunctional power.
Zoro cannot fully control his power because he unconsciously leaks his Haki when using Enma. However, this “leakage” feature can turn him into an involuntary killing machine — and Enma's goal is to make its owner stronger.
Experimental Power Sources and Scientific Developments
The fact that Vinsmoke Sanji began to be affected by genetic modifications even without wearing the Raid Suit shows that power gains have now reached biological limits. His ability to create flames without physical contact also shakes the classic Logia logic.
Franky's General Franky robot is underestimated by his enemies despite its massive appearance. However, when equipped with the laser technology from Punk Hazard, this vehicle becomes nearly as deadly as a Pasifista.
Vegapunk's Seraphim project has produced copies from the genetic material of former Shichibukai members. These new generation clones are not only physically stronger than the original characters, but also possess Haki potential.
Power Balances and Weaknesses of Legendary Characters
Gol D. Roger is the only pirate to have reached the pinnacle of the One Piece world without the power of a Devil Fruit. What sets him apart from others is not his physical strength, but his charisma and strategic intelligence. This demonstrates that absolute power can be achieved not only through ability, but also through the power to unite people.
Roger's legendary duel with Whitebeard lasted for days, but neither sustained fatal injuries, turning the battle into a sort of “recognition of power” ceremony. This shows that some fights in One Piece are not just about superiority but also about mutual respect.
Rocks D. Xebec is a terrifying force not only on his own but also because he can keep together a crew that includes names like Kaido, Big Mom, and Whitebeard. This suggests that he is a charismatic and manipulative leader both physically and mentally.
The Process of Power Transformation and Evolution
Luffy's Gear systems are actually different from classic power-up mechanics. Gear 2 speeds up his blood circulation and increases his heart rate; Gear 3 enlarges his bones; Gear 4 covers his body with rubber, increasing his flexibility and durability. Each form comes with a physiological cost.
The Gear 5 form is entirely different, based on the concept of “creativity without limits.” This form, which can bend physical rules, has evolved into a concept where otherworldly power is blended with the “power of belief” in the real world.
In Zoro's three sword styles, each sword represents a different meaning: Wado Ichimonji represents loyalty, Enma represents sacrifice, and Sandai Kitetsu represents a cursed fate. Zoro's power is not only physical; it also reflects the spiritual evolution of his character through these symbols.
The Gray Areas of Admiral-Level Powers
Akainu's Magu Magu no Mi is the Logia fruit with the highest attack power. However, this fruit also makes the user extremely aggressive and uncontrollable. At Marineford, he destroys the battlefield in order to kill Ace.
Aokiji is the complete opposite with his ice fruit. His cool-headedness and impartiality translate into cold-blooded strategy on the battlefield. He is a figure of “rational power” within the Marine structure.
Despite being blind, Fujitora can sense his enemies from a distance thanks to his Observation Haki. This shows that physical senses are not limiting and that power can also develop based on “perception.”
The Powers and Psychological Superiority of Female Characters
Big Mom possesses a fruit that manipulates souls beyond her physical strength. Her ability to steal the souls of her opponents by exploiting their fears makes her a master of psychological warfare.
Boa Hancock's Love Love no Mi fruit can petrify enemies without physical contact. When combined with her beauty, this power has the potential to directly break her opponents' mental resistance.
Robin's power is more strategic and intimidating than combat-oriented. Her ability to copy her body onto any surface makes her unique in infiltrating enemy territory and gathering information.
The Influence of History and Secret Knowledge on Power
Although Nico Robin is not the strongest character physically, she is the representative of “the power of knowledge” as the only person who can read ancient inscriptions. In the One Piece universe, the most sought-after information is historical secrets rather than physical treasures.
Vegapunk's technological power is at a level where he can produce an army single-handedly. However, his true power lies in his ability to transform knowledge into a “weapon of war.”
Dr. Clover's theories show that throughout history, empires have gained power not by hiding knowledge, but by destroying it. This establishes a deep connection between ‘power’ and ‘memory’ in One Piece.
The Influence of Race and Mixed Blood on Power
King is a member of the Lunarian race, whose natural ability to produce fire and their durability make him nearly invincible in individual combat. As long as the flames on his back remain lit, the damage he takes is significantly reduced—this creates the ideal balance between defense and attack.
Jinbe defies the theory that fishmen are physically ten times stronger than humans by combining this strength with control, transforming it into a martial art. Fishman Karate can be deadly not only underwater but also in open combat.
Charlotte Katakuri's half-giant, half-human origins allow him to possess high agility despite his massive body. This “hybrid structure” offers a unique advantage in terms of both physical pressure and quick reaction ability.
Powers of Characters from Ancient Times and Legends
Ryuma is known as Wano's legendary sword master, and even after his death, his body was made to fight against Brook's shadow. His sword, Shusui, retained its “national treasure” status even after passing to Zoro, demonstrating that the sword possesses an aura independent of its owner.
Joy Boy represents not only history but also the potential for a “power inheritance.” Luffy's Gear 5 form has reincarnated his legend as a “reborn will.”
Zunesha was introduced as Joy Boy's former accomplice and is awaiting orders. This implies that power in the One Piece universe is not solely physical but also shaped by “charismatic loyalty.”
Artificial Powers Obtained Through Scientific Intervention
The Pacifists are prototypes copied from Kuma's body and pose an absolute threat on the battlefield despite their low intelligence, thanks to their powerful weapon systems. These characters demonstrate how pure production power, independent of individual skill, has become the standard in combat.
Seraphim are more sophisticated versions of this formula. These clones, which possess the characteristics of the Shichibukai, are notable for their ability to use Haki despite being products of both artificial intelligence and genetic engineering.
Caesar Clown's gas fruit, though it may seem like a ordinary power, possesses different dimensions such as suffocating enemies, creating mental effects, and transforming the environment into a battlefield. This demonstrates that toxic scientific power can be more destructive than direct attacks.
Power Possibilities Based on Fan Theories
The theory that Shanks has developed a level of Haki similar to time manipulation is fueled by his late arrival on the battlefield and his enemies' “freezing.” According to this theory, advanced Haoshoku Haki is thought to be able to bend the perception of time.
Imu's access to “Void Century” knowledge has fueled speculation that he may have a connection to time or immortality. Some fans suggest that Imu is actually someone from Joy Boy's era.
The theory that Zoro is descended from the Shimotsuki clan strengthens his connection to Wano. If this is true, Zoro's swordsmanship may not be solely the result of training, but also genetic inheritance.
Referring to Blackbeard's “three heads” legend, there are strong theories that he carries three different spirits or consciousnesses within his body. This is seen as the only logical framework that could explain his ability to use multiple fruit powers.