The world ofOne-Punch Manis whimsical and full of incredibly strong characters who are often met with increasingly terrifying threats. While the series has plenty of lovable and entertaining characters to follow, certain stars rise above the pack, which is particularly exciting for the fans to observe. The strongest characters inOne-Punch Manshouldn’t be boiled down to the #1 hero, even if it’s tempting, as doing so misses much of the point of the series.
Yusuke Murata expertly drawsOne-Punch Man’smanga adaptation, rendering the incredible fights of the series like never before andleaving an excellent blueprint for future anime seasons. This means readers can enjoy ONE’s excellent storytelling against the backdrop of Murata’s immaculate artwork, presenting the many deadly struggles of Earth’s heroes against Wolf, Tiger, Demon, Dragon, or even God-level threats.The strongestOne-Punch Mancharacters often inspire the greatest spectacles in the series, even if occasionally short-lived.
15Elder Centipede
A Powerful Ancient Monster
Elder Centipede has resistance, regeneration, and immense destructive capacity, being one of the greatest threats faced by S-Class rank heroes.Elder Centipede withstood numerous attacks from several S-Class heroes, the missile arsenal of a Metal Knight unit, several powerful swings from Metal Bat, the combined technique of Bang and Bomb, which only managed to shatter its caparace and molted a new one, and Geno’s Spiral Incineration Cannon fired at him from inside his body.
Elder Centipede’s immense size and body with a hard surface make it cause havoc and destruction just by moving, and it also allows it to easily repel any attack with his face being his weak spot, yet even after taking damage, he showed high durability. The heroes wouldn’t have had a chance to defeat this ancient monster if King hadn’t distracted it before Saitama pulverized it with a powerful blow.
14Overgrown Rover
The Definitive Monster Guardian Dog
Overgrown Rover is a guardian dog who is capable of firing powerful energy blastsand has a durability that has proven to be higher than that of Elder Centipede, as even in a weakened state after receiving a powerful punch from Saitama, he was still in condition to face Bang, Bomb, and Fubuki, and the combined attack that the older siblings aim at him was far stronger than the Roaring Aura Sky Ripping Fist they use to destroy Elder Centipede’s shell as they were boosted by Fubuki.
Bang and Bomb’s Cross Fang Dragon Slayer Fist, which only causes minimal damage to him even in his already debilitated state. His incredible power is also hinted at by the fact that once Orochi knew that Saitama knocked out Rover, he considered the caped hero a worthy sacrifice, deducing he was the one who killed Gouketsu and Elder Centipede.
13Flashy Flash
The Lightspeed Ninja
Flashy Flash isn’t only one of the fastest characters inOne-Punch Man, being recognized by Saitama, but he is alsoone of the most underrated S-Class heroes, as he has shown bigger feats than those with a higher rank than him. Flashy Flash proved his power as he faced some of the strongest monster cadres.Flashy was able to withstand blows from Platinum Sperm and Monster Garou, who, in his lower golden form, was able to knock out Superalloy Darkshine with a single punch.
While Flashy didn’t seriously damage Platinum Sperm, he didn’t lose in terms of speed and put up a fight even without his Instakill sword, which puts him above other class S heroes like Atomic Samurai.Flashy Flash defeated two Dragon-level threats simultaneously, Tempest Wind and Hellfire Flame, without showing any visible sign of fatigue afterward and could even react to the Dimensional Slash of Void.
12Platinum Sperm
The Ultimate Combination of Black Sperm
Despite already being powerful in his golden form, as he easily knocked out Darkshine and beat a weakened Tatsumaki, he reaches his most powerful form as Platinum Sperm, combining the power of 54 trillion cells, each equivalent to an A-class hero.As platinum sperm, he increases his speed considerably, facing Flashy Flash and being on par with Monster Garou, to a degree that both seem like stars moving at the speed of light.
The elastic tentacle in his head allowed him to attack at a distance, and he has great durability as he sustained hits from Flashy Flash and took full hits from Monster Garou. However, even though Platinum Sperm received severe damage from Garou, with his body cracking in the first blow and his form shattering in the following, the sperm managed to survive and proved to be one of the strongest monsters.
11Orochi
The Monster King
OPM’manga states that Monster King Orochi is the strongest monster on earth, which gives him the title of leader of the Monster Association. He displayed an amazing power level during his fight with Saitama, ashe was able to absorb energy from the core of the planetto launch a powerful Gaia cannon. Even though Orochi is easily defeated by Saitama, he manages to survive and grow in strength by absorbing several monsters.
While Orochi loses to Sage Centipede’s regeneration abilities and overwhelming size, Psychos admits that he is stronger than her, and he was hiding his true power from her. Also,Orochi can copy his opponent’s technique, like in his fight with Garou, and Overgrown Rover was submitted before him, something that he does only after recognizing powerful beings as he did with Saitama.
10Sage Centipede
The Incarnation of Father Earth
A threat who surfaces implicitly to fight Saitama,the one hero strong enough to defy God, Sage Centipede, aka Centisennin, emerges as one ofOne-Punch Man’smost physically imposing and strongest monsters.Sage Centipede has seemingly been alluded to dozens of chapters before its appearance and is preceded in the story by appearances of the Junior, Senior, and Elder Centipedes. The monster can tear through buildings, cities, and the earth with ease andis shown to be able to pursue its targets in outer space.
9Evil Natural Water
The Incarnation of Mother Sea
Evil Natural Water endured a serious punch from Saitama, a feat few other monsters can claim.
Evil Natural Water starts as a sentient mass of water which, after consuming Sludge Jellyfish, becomes resistant to different forms of damage while posing a threat to Child Emperor. However,its true claim to fame comes after absorbing much of the ocean, becoming what can only be described if a slime fromDungeons & Dragonsate the Cookie Monster while becoming large enough to be considered a Dragon-level threat. However, its fortune ends after a serious punch from Saitama, before a fateful encounter with Pig God.
8Psykos & Orochi
An Unholy Fusion of Foes
Psykos and Orochi give Tatsumaki enough of a challenge to prompt her greatest showcase of power yet.
The Monster Association Arc conjured plenty of memorable moments inOne-Punch Man, but Psykos fusing with Orochi created one of the strongest characters yet. They are among the manycharacters inOne-Punch Manto be directly empowered by God,giving Psykos the potential absorption power she needs to fuse with Earth itself.The disastrous array of powers amplified by this fusion includes boosts to their regeneration, energy projection, and psychokinesis abilities. Still, this fusion drives their opponent, Tatsumaki, to greater heights.
7Tatsumaki
The Tornado of Terror
Tatsumaki’s strength is so immense that, when pushed, she can lift the Hero Association Headquarters and, potentially, all of Z-City.
Standing as the greatest esperto supplant Psykos' “Psykorochi” hybrid,Tatsumaki earns her placement as the #2 S-Class herowith her fearsome telekinetic and psychokinetic abilities. As her hero name suggests, she can simulate weather events to devastating degrees with her powers, stop high-powered projectiles in their tracks, and generate barriers, making her defense just as imposing as her offense. Tatsumaki’s strength is so immense that, when pushed, she can lift the Hero Association Headquarters and, potentially, all of Z-City.
6Boros
The Dominator of the Universe
Even without consideration forBoros' possible return inOne-Punch Man, this alien ranks as one of the earliest and strongest characters not to instantly fold to Saitama. His incredible durability allowed him to survive consecutive normal punches from Caped Baldy before the fight turned serious. Boros possessed extreme physical strength and deadly energy blasts that would be lethal to practically anybody but Saitama,amounting to one of the first mild challenges for the protagonist.
