The misconception that Luffy used "Supreme King Haki" earlier (e.g., against Doflamingo in Episode 733 or Katakuri in Episode 870) arises from two errors:
The specific episode you are looking for is Episode 1028 of One Piece.
Context: The battle on the Skull Dome rooftop. Luffy, Zoro, Law, Kid, and Killer are fighting Kaido and Big Mom simultaneously. After recovering from his first defeat, Luffy realizes that Kaido's terrifying power doesn't come from physical punches, but from coating his body in Supreme Haki.
The Moment: Around the 18-minute mark of Episode 1028, Luffy stares down Kaido. He stops trying to punch with physical strength. Instead, he channels his willpower into his fist. Black, thick lightning (visually distinct from Armament Haki) begins to coil around his arm without him touching anything.
He throws a punch at Kaido. The punch does not touch Kaido’s face. It stops a millimeter away, but the force of the Supreme Haki blasts through Kaido’s skull, causing the Yonko to spit up blood and feel genuine pain for the first time in decades.
Keyword Answer: Yes, Episode 1028 is the episode where Luffy uses "Supreme Haki" in its advanced, offensive form.
In the One Piece series, Luffy's use of Conqueror's Haki, also known as Haoshoku Haki or "Supreme Haki," is a significant and interesting feature of his character. This powerful form of Haki allows Luffy to intimidate and knock out others who are weaker than him.
Luffy first uses Conqueror's Haki unintentionally during the Water 7 Arc (Episode 310) against Miki.
However, a more notable instance is during the Marineford Arc (Episode 389) when Luffy confronts Akainu.
One of the most iconic uses of Luffy's Conqueror's Haki is during the Whole Cake Island Arc (Episode 878-879) against Charlotte Katakuri and Big Mom.
These instances showcase Luffy's immense strength and his ability to assert dominance over his surroundings.
Would you like to know more about Luffy's Haki or One Piece in general?
If you're looking for the episode where Luffy first uses Advanced Conqueror's Haki (coating his fists/attacks without touching the opponent), that is Episode 1028 (during his second round of fighting Kaido on the rooftop).
However, if you mean the first time Luffy uses basic Conqueror's Haki to knock out weak-willed people, that is Episode 413 (at the Sabaody Archipelago, after the Straw Hats are separated by Kuma).
But based on common fan discussions, most people asking about "Supreme Haki" mean the advanced, coating version. So the clearest answer is:
Luffy first uses Supreme King Haki (Conqueror's Haki) visibly in Episode 516 (anime) during the Dressrosa arc against Doflamingo's subordinates and later shows a stronger application in Episode 868 (anime) during the Wano/Onigashima events against Kaido's forces.
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Luffy first utilizes Supreme King Haki in episode 389 against Duval's bull, with his first major display occurring in episode 413 to stop the Boa sisters on Amazon Lily. Later, he exhibits mastery post-timeskip, knocking out 50,000 enemies in episode 554, and eventually masters advanced infusion during the Wano arc. For a full, detailed breakdown of these episodes and Haki's, visit the One Piece Wiki.
If you search "which episode Luffy use supreme haki," you might also be looking for these milestone moments:
| Episode | Haki Type | The Feat | | :--- | :--- | :--- | | Episode 523 | Basic Supreme Haki | Luffy unconsciously knocks out 50,000 Fishman pirates at once. | | Episode 914 | Basic Supreme Haki | Luffy and Katakuri clash with Supreme Haki, splitting the sky in a small area. | | Episode 1028 | Advanced (Infusion) | Luffy punches Kaido without touching him (Internal Destruction). | | Episode 1076 | Advanced (Infusion) | Luffy splits the sky above Wano, confirming he is a true Yonko-level conqueror. |
Note: “Supreme Haki” is commonly called Conqueror’s Haki (Haoshoku Haki). Below is a concise, chronological list of major moments when Luffy either first demonstrates or notably uses Conqueror’s Haki in the anime (episodes), plus short actionable notes on how to spot and where to watch each scene. which episode luffy use supreme haki
Paramount War (Marineford) — implied use around emotional peaks
Post-Timeskip: Fish-Man Island (first explicit post-timeskip hint)
Doflamingo arc (Dressrosa) — clear conscious use
Whole Cake Island — significant, cinematic use
Wano Country — advanced, sustained and combined uses
Gear Fifth and late Onigashima finales — peak cinematic displays
How to quickly identify Conqueror’s Haki scenes
Where to watch (actionable steps)
If you want, I can:
In the One Piece series, Luffy's use of Conqueror's Haki, also referred to as "Supreme Haki," is a significant plot point and showcases his growth as a character.
Luffy first demonstrates his Conqueror's Haki during the Marineford Arc (Episode 388 and 389, and more notably in Episode 391) when he is trying to protect his friends and particularly when he's fighting against Donquixote Doflamingo's subordinate, however the most pivotal and clear demonstration is during the Fishman Island Arc doesn't occur but rather during the Dressrosa Arc.
However a more clear showcase of Luffy's Conqueror's Haki is seen at:
During the Dressrosa Arc, Luffy uses his Conqueror's Haki to knock out the St. Charloss who was bullying the people of the towns, implying a much more controlled and deliberate usage.
The term "Supreme Haki" isn't commonly used; fans and the community sometimes refer to Conqueror's Haki by this term due to a mistranslation in early fan translations and English dubbed versions, which referred to it as "Supreme Haki" due to early inaccurate renderings.
The use of Conqueror's Haki is extremely rare, as it signifies a user's ability to intimidate and dominate the spiritual domain of others. Luffy's utilization of this powerful form of Haki plays a crucial role in demonstrating his strength, resilience, and capacity to protect his crewmates and others he cares about.
use of "Supreme Haki"—properly known as Conqueror’s Haki Haoshoku Haki )—is a major milestone in
. While he first uses it unconsciously to protect himself or others, he eventually learns to control and even weaponize it into advanced forms. 1. Unconscious Manifestations (Pre-Timeskip)
Luffy’s first few uses of Conqueror’s Haki were accidental and triggered by extreme emotion. The Very First Glimpse: Episode 389 — During the Sabaody Archipelago Arc
, Luffy unintentionally uses it to intimidate Motobaro, Duval's massive pet bull. The Amazon Lily Incident: Episode 413
— While fighting the Snake Sisters (Marigold and Sandersonia) in the execution arena, Luffy shouts out to stop them from breaking a petrified statue, knocking out a large portion of the audience. The Impel Down Rescue: Episode 438 The misconception that Luffy used "Supreme King Haki"
— To save Mr. 2 (Bon Kurei) from a pack of ravenous wolves on Level 5, a desperate Luffy releases a burst of Haki that knocks them all unconscious. The Defining Moment: Episode 478 — In the heat of the Marineford War
, Ace is about to be executed. Luffy lets out a massive, uncontrollable roar of Haki that halts the executioners and shocks everyone on the battlefield, including the Admirals. 2. Controlled Mastery (Post-Timeskip)
After training with Silvers Rayleigh during the two-year timeskip, Luffy learns to use Haki at will. First Controlled Use: Episode 518
— Upon returning to Sabaody, Luffy casually uses Haki to knock out the "Fake Straw Hats" and their recruits without lifting a finger. Showdown at Fish-Man Island: Episode 554
— One of his most iconic moments where he walks through Hody Jones' army and knocks out 50,000 fish-men instantly. 3. Advanced Conqueror's Haki (The Deep Guide)
In the later stages of the series, Luffy evolves his Haki beyond just knocking out weaklings.
Monkey D. Luffy’s journey from a scrappy kid in the East Blue to a Yonko of the sea is defined by his mastery of Haki. While he uses Observation and Armament Haki frequently, nothing stops a show quite like Conqueror’s Haki (Haoshoku Haki), often referred to by fans as "Supreme Haki."
Because Luffy’s mastery of this rare power evolved over hundreds of episodes, there isn't just one answer. Depending on whether you are looking for the first accidental flicker or his ultimate mastery, here are the key episodes where Luffy uses Supreme Haki. 1. The Very First Hint: Episode 389
Long before the concept of Haki was explained to the audience, Luffy used it instinctively. During the Sabaody Archipelago arc, Luffy accidentally unleashed a burst of willpower to intimidate Motobaro, Duval’s large bison mount. The bull immediately collapsed, leaving the Straw Hats confused about what had just happened. 2. The Amazon Lily Outburst: Episode 413
The first major display of Luffy’s Supreme Haki occurred during his fight against the Gorgon Sisters, Boa Sandersonia and Boa Marigold. When the sisters attempted to smash a petrified Margaret, Luffy let out a primal scream of "Stop it!"
The resulting shockwave knocked out the majority of the execution spectators. This was a pivotal moment, as the Kuja Pirates—who are Haki experts—immediately identified it as "The Color of the Supreme King," noting that only one in several million people possess it. 3. Saving Ace at Marineford: Episode 478
Perhaps the most iconic early use of Supreme Haki happens during the Paramount War. As the executioners raise their blades to kill Portgas D. Ace, Luffy releases a massive, unintentional wave of Haki that ripples across the entire battlefield.
It knocked out the executioners and stunned everyone from the Navy Admirals to Whitebeard himself. This episode signaled to the world that Luffy was a global threat with the potential to stand at the top of the pirate world. 4. Post-Timeskip Mastery: Episode 518 & 554
After training with Silvers Rayleigh for two years, Luffy returns to Sabaody with full control over his Haki.
Episode 518: Luffy effortlessly knocks out the "Fake Straw Hats" and their crew without breaking his stride.
Episode 554: On Fish-Man Island, Luffy walks calmly toward Hordy Jones’ army of 100,000 subordinates. With a single glare, he instantly incapacitates 50,000 of them. This remains one of the most satisfying "flex" moments in the series. 5. The Clash of Kings: Episode 716 & 870
As Luffy enters the New World, he encounters other users of Supreme Haki.
Episode 716: Luffy clashes with Donquixote Doflamingo. When their kicks meet, black lightning crackles in the air—a visual indicator that two Supreme Haki users are colliding.
Episode 870: During the climax of the fight against Charlotte Katakuri, their Haki clash is so intense that it physically destroys the Mirror World surroundings and knocks out bystanders from a distance.
6. The Ultimate Evolution (Advanced Supreme Haki): Episode 1028 Luffy first uses Supreme King Haki (Conqueror's Haki)
The most recent and significant milestone occurs during the Wano Country Arc. In his battle against Kaido on the rooftop of Onigashima, Luffy realizes that the strongest fighters don't just "blast" Supreme Haki—they infuse it into their physical attacks.
In Episode 1028, titled "Surpass the Emperor of the Sea - Luffy Strikes Back with an Iron Fist," Luffy begins coating his fists with Conqueror’s Haki. This "Advanced" technique allows him to damage Kaido without even making physical contact, marking his transition into the top tier of the world's strongest warriors. Summary Table: Which Episode Does Luffy Use Supreme Haki? Episode Number First Accidental Use (Motobaro) Sabaody Archipelago Protection of Margaret Amazon Lily Saving Ace from Execution Marineford Knocking out 50,000 Fish-Men Fish-Man Island Clashing with Doflamingo Advanced Conqueror's Infusion 1028 Wano Country
Luffy’s mastery of Supreme Haki is a direct reflection of his growth. From a desperate scream at Marineford to the controlled, world-shaking strikes against Kaido, his Haki is the literal manifestation of his "kingly" ambition.
first uses Supreme King Haki (Conqueror's Haki) subconsciously in Episode 389, titled " Unveiling the Secret! The Weapon of the Sunny: Gaon Cannon
". In this episode, he unintentionally unleashes it to stop the bull, Motobaro, during the encounter with Duval. The Evolution of Luffy's Conqueror's Haki
While Episode 389 is the first instance, Luffy uses this rare power several more times before finally mastering it:
first used Supreme King Haki (also known as Conqueror's Haki or Haoshoku Haki) subconsciously in Episode 389. He does not gain full, intentional control of this power until after the two-year time skip in Episode 518.
Below is a guide to the key episodes where Luffy unleashes this rare power. 🌩️ Subconscious Usage (Pre-Time Skip)
Before his formal training, Luffy released massive bursts of Haki during moments of extreme emotional distress.
Episode 389: The first undeniable use. Luffy accidentally intimidates Motobaro (Duval’s bull).
Episode 413: During the fight against the Boa sisters on Amazon Lily. Luffy shouts to save Margaret, knocking out many spectators.
Episode 438: In Impel Down, he uses it to knock out a pack of hungry wolves while trying to protect Bon Kurei.
Episode 478/479: His most famous early use. During the Marineford War, Luffy lets out a scream to stop his brother Ace's executioners, knocking out thousands of Marines and pirates. 🎯 Intentional & Advanced Usage (Post-Time Skip)
After training with Silvers Rayleigh, Luffy masters the ability to use Haki at will.
This is a fascinating question because it touches on a common point of confusion within the One Piece fan community. To give a direct and academically precise answer first: There is no episode in which Luffy uses "Supreme King Haki" because that specific term does not exist in the canonical manga or anime.
However, the intent behind your question is clear and worthy of deep analysis. You are asking about the pinnacle of Conqueror's Haki (Haoshoku Haki)—the ability to infuse one's willpower directly into attacks, a technique officially named "Infusion of Conqueror's Haki" (or Haoshoku no Haki no Idō).
This paper will clarify the terminology, trace the exact episodes where Luffy first demonstrates each major tier of Conqueror's Haki, and argue why the misunderstanding of "Supreme King Haki" is itself a valuable case study in how One Piece evolves its power system.
This is likely what you mean by “using Supreme Haki” as a fighting style.
Luffy uses his "Supreme King" Haki (also known as Conqueror's Haki) at various points, but he uses the advanced form—often called Advanced Conqueror’s Haki or Infusion—in Episode 1014 during his fight against Kaido.
If you are referring to the first time he uses the basic "Knockout" version of Conqueror's Haki, that occurs during the Marineford Arc (Episode 478), where he unknowingly knocks out the executioners preparing to kill Ace.
It is important to distinguish between "Basic Conqueror's Haki" and "Supreme/Advanced Conqueror's Haki," as Luffy has used the basic version much earlier in the series.