The 8 strongest heroes in the series, ranked

One Punch Man stands out from other shonen anime with what is quite possibly the most broken power scaling of any shonen franchise. Dealing with cosmic threats that can destroy entire cities on a whim, OPM is full of powerful villains who must be held in check by even stronger heroes.

This is where the Hero Association comes in as the main organization that employs heroes to save the world. Some of them can be found among them One Punch Man's strongest characters. The strongest heroes in One Punch Man they are simply on another level, capable of overpowering even those OP characters from other anime.

Honorable Mention: The King may be the strongest of all

Rank: Class S, Rank 5

In total One Punch Man There are very few characters in the series whose names inspire as much fear and respect as King – the fifth highest hero in the Hero Association and also called “The Strongest Man on Earth”. As fans of the series know, King is nothing more than an ordinary human being who has no discernible abilities other than a loud heartbeat.

A common theory among the fandom is that King's true power is immense luck, which has allowed him to survive encounters with the most terrifying monsters in the series. Most of the time, Saitama just happens to be around to thwart any potential threat. Other times, such as when he “used” his strongest attack, the Ultimate Hellfire Burst Wave Motion Cannon, things end up working in his favor through other means that can make him truly the strongest in the series.

Flashy Flash is one of the fastest heroes in One Punch Man

Rank: Class S, Rank 10

Flashy Flash has made a name for himself in the ranks of the Hero Association due to the impossible speeds he can reach in battle, making him look more like a flash of light than anything else. He has shown speeds far greater than many characters in the series, as he has even been described as being able to travel almost as fast as light itself.

Additionally, Flashy Flash is quite adept with a blade and trained as an assassin for most of his early life, giving him much more skill in battle. He would definitely rank higher, but there are quite a few characters that not only outclass him, but outspeed him, which is pretty telling since his whole business is being faster than everyone else.

Bang And Bomb are unrivaled martial artists

Incredibly strong fighters

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One of the most reliable ways to get stronger One Punch Man series is due to the knowledge of martial arts, which is how villains like the Garou were able to reach the highest level of power. Among the practitioners, none are greater than Bang and Bomb, two legendary brothers whose fabled power was manifested through their experience as warriors.

While both are far past their prime and Bang has even left the Hero Association, they fulfill an indispensable role as heroes against the forces that seek to destroy the world. Bang, in particular, was able to go toe-to-toe with Monster Garou during the Monster Association arc, despite being decades older, and almost even defeated the villain.

Rank: Class S, Rank 11

Although ranked lower than Flashy Flash, most fans tend to consider Genos to be the stronger of the two, simply due to the many tools at his disposal, as well as his firepower being some of the most devastating in the entire series. In the Monster Association arc, Genos was able to fight some of the strongest monsters.

Due to his cyborg nature, Genos can often be augmented or enhanced, and his latest form makes him one of the Hero Association's most valuable assets. With blinding speed, immense strength, and unmatched destructive power, Genos is definitely one of the strongest heroes in the series.

Atomic Samurai is one of the greatest heroes alive

Rank: Class S, Rank 3

Atomic Samurai is widely regarded as the strongest and most skilled swordsman in the One Punch Man thanks to his mastery of the blade. With his talent, he has been shown to limit things down to the atomic level with his blade, making him so powerful that Superalloy Darkshine said that if Garou had fought him before breaking his limiter, Atomic Samurai would have easily cut him down.

The power and speed of the Atomic Samurai allowed him to defeat very durable and powerful opponents by unleashing hundreds of cuts in a matter of seconds. He has currently reached S Class, Rank 3 due to the acquisition of the Sun Blade, which has boosted all of his stats by many ranks. Through this sword, he became a unique swordsman.

Tatsumaki is the biggest psychic of the series

Rank: Class S, Rank 2

Many fans tend to place Tatsumaki at the top of the S-class due to the insane feats she has performed throughout the series. As the strongest psychic in One Punch ManTatsumaki's telekinetic powers are capable of moving entire mountains and structures that are the size of entire islands.

The greatest display of her power was when she went up against a combined version of Psykos and Orochi, who himself was one of the most dangerous and powerful psychics in the world. Although she had some invaluable help from Genos, Tatsumaki proved her place at the top of the Hero Association by defeating this powerful villain.

Blast is the highest rated hero

Rank: Class S, Rank 1

As the man who holds the position of the highest-ranking hero in the entire association, it's no secret that Blast's power is one of the greatest ever seen in the series. Although his manifestations were brief, his ability to manipulate space itself is something that even the strongest enemies cannot avoid.

Blast briefly used his Gravity Knuckle on Cosmic Garou, who even noticed his power and later adopted it into his own moveset. Furthermore, Blast's speed was something that even Flashy Flash couldn't react to, and his ability to create Black Holes was so great that he managed to transport the entire Hero Association headquarters out of harm's way, making him definitely worthy of Rank 1.

Saitama is the strongest being in the entire franchise

Rank: Class A, Rank 39

In a series filled with insanely powerful monsters that can move faster than the speed of light, or heroes that can easily destroy buildings, the most powerful character among them is someone who just wanted to be a hero for fun. Saitama is so strong that his fights usually end with a single punch.

He broke through his limiter with an intense training regimen that essentially allowed him to never stop growing in power. Saitama is such a broken character that he can sneeze entire planets, grab space-distorting portals like they're Frisbees, and fart with such intensity that he propels himself faster than the speed of light. These are just some of the reasons why so many people believe that Saitama is the strongest character in fiction.

One Punch Man can be streamed on Crunchyroll.