One-Punch Man has emerged as a standout anime in recent years, rapidly gaining popularity due to its unconventional approach to the superhero and shonen genres. The show centers around a protagonist whose abilities are so overwhelming that it borders on satire.
It also blends a tribute to traditional heroic storytelling with sharp comedic elements that poke fun at those very conventions. Saitama, the character at the heart of the series, possesses strength that results in some of the most imaginative fight sequences.
Saitama’s overwhelming strength turns superhero conventions upside down (Photo: One Punch Man/Madhouse)While combat is a constant in One-Punch Man, the anime also introduces a variety of eccentric figures who make each battle even more unpredictable. Although fights are a major feature of the series, certain clashes rise above the rest and leave a lasting impression.
10. Saitama’s Encounter With Crablante Highlights His Ridiculous Power
Crablante may not be one of the anime’s most memorable antagonists, and even Saitama barely acknowledges him before swiftly eliminating the threat. However, Crablante’s battle carries importance as the first moment that fully demonstrates Saitama’s extraordinary abilities.
This initial confrontation establishes the dynamic that continues throughout the series and serves as an entertaining introduction to the anime’s universe. The absurdity of Crablante’s origin—becoming a monster simply from overindulging in crabs—adds to the comedic tone of this early battle.
9. Genos And Garou Engage In A Fierce Fight That Pushes Their Limits
A defining moment from One-Punch Man’s second season features Genos taking on Garou in a fight that stands out due to its intensity. Up until this point, Garou has been nearly unstoppable, making this clash even more engaging as both fighters continuously counter each other’s attacks.
Their battle showcases impressive strategy, particularly when Genos utilizes his rockets and even removes his arm in an attempt to gain the upper hand. Despite the fight being interrupted, it remains one of the more exciting showdowns in the series.
8. Carnage Kabuto, The Strongest Monster Of The House Of Evolution, Falls To Saitama
One of the dangerous forces that Saitama and Genos encounter during their efforts to protect the city is the House of Evolution. This organization, led by Dr. Genus, has created several monstrous beings through extreme experimentation, with Carnage Kabuto standing as its most powerful creation.
Despite his reputation, Carnage Kabuto is still no match for Saitama’s raw power. When he goes berserk and reaches his peak strength, the ensuing destruction is striking. Although Genos and Saitama emerge victorious, the battle stands out as one of the more chaotic encounters they face in the anime’s early episodes.
7. Elder Centipede Wreaks Havoc Until King And Saitama Step In
Throughout One-Punch Man’s second season, Saitama is often sidelined while other characters, such as Genos and King, take on major threats until he arrives at the last moment.
One of the most massive dangers to appear is Elder Centipede, a towering creature that devastates the city and manages to overpower Genos, Bang, and Bomb. While King can stall the monster for a time, it’s Saitama who obliterates it with a single strike.
Despite his efforts, Saitama disappears soon after, allowing King to receive the credit for the victory.
6. Garou Overwhelms A Team Of Class A And B Heroes
The second season of One-Punch Man firmly establishes Garou as a formidable opponent with an impressive set of skills. His abilities are put to the test when a group of eight Class A and B heroes ambush him while he is still recovering from a prior battle.
Even though he is not at full strength, Garou holds his own against the team. The heroes execute a well-planned assault that would have been effective against most adversaries, yet Garou’s resilience proves why he is such a dangerous opponent.
5. Genos And Saitama Face Off In A Friendly Battle To Gauge Strength
Saitama and Genos develop a strong partnership throughout the series, with Genos holding Saitama in the highest regard. However, early on, the two engage in a sparring match to help Genos assess Saitama’s true capabilities.
This confrontation delivers a thrilling spectacle, as Saitama expertly evades Genos’ high-energy attacks. The battle offers a unique moment where both characters get to display their full potential.
It all culminates in a dramatic conclusion, where a single punch from Saitama obliterates multiple mountains, providing a jaw-dropping end to the intense exchange.
4. Metal Bat Pushes Garou To His Limits
One-Punch Man frequently subverts expectations by making some of its strongest heroes appear unassuming or comical. Metal Bat, known for his reliance on a simple steel baseball bat, exemplifies this by proving that his strength only grows as he endures more damage.
Garou initially underestimates him, only to find himself struggling against an opponent who refuses to back down. While Garou still manages to claim victory, he acknowledges Metal Bat’s determination and spares him instead of delivering a finishing blow. Despite losing, Metal Bat puts up an impressive fight.
3. Garou’s Battle With Lord Orochi Pits Two Powerful Villains Against Each Other
After defeating numerous heroes with ease, Garou eventually finds himself within the Monster Association, where he is forced to take on its leader, Lord Orochi. For the first time, Garou is pushed to his limit as Orochi counters his attacks with overwhelming power.
The clash between Genos and Garou pushes both fighters to their limits (Photo: One Punch Man/Madhouse)The fight escalates when Orochi uncovers his true form, revealing multiple dragon heads that make him even more menacing. By mirroring Garou’s techniques and using them against him, Orochi secures victory. Seeing Garou fall in battle is a rare moment of defeat that highlights just how dangerous Lord Orochi truly is.
2. Saitama’s Battle With Lord Orochi Ends With A Single Decisive Strike
Saitama has encountered countless adversaries, but his fight against Lord Orochi stands as one of his most defining moments. Orochi has spent years instilling fear and strengthening his dominance, yet Saitama effortlessly dismantles him without even breaking a sweat.
During the battle, Saitama methodically eliminates each of Orochi’s dragon heads before delivering the final blow. With a simple, everyday punch, he bursts through Orochi’s chest, shattering the monster’s confidence. The realization of his defeat leaves Orochi in a state of fear, an emotion he has never experienced before.
1. Saitama’s Showdown With Boros Delivers The Anime’s Most Jaw-Dropping Fight
Among all the challenges Saitama faces, his confrontation with Boros presents one of the most formidable foes in the series. While many villains are filled with arrogance, Boros truly lives up to his title as the “Dominator of the Universe.”
Unlike previous enemies, he withstands Saitama’s initial attacks, forcing the hero to exert more of his strength than usual. This battle shares similarities with Saitama’s later fight against Orochi, yet Boros’ defeat stands out due to the sheer spectacle of the animation.
The visual execution of this clash elevates it to one of the most memorable moments in the anime, making it difficult for any other fight to surpass.