One of the most attractive aspects My Hero Academia the universe is a vast and imaginative storehouse of powers possessed by the inhabitants of its world. Kohei Horikoshi, the author of this iconic series, has shown his genius by giving each character a unique and powerful Quirk that not only helps with their work as heroes, but also makes them more memorable to fans.
However, even though some of the strongest and most successful fighters in the series don't rely on raw strength to fight, there's no denying that abilities that increase physical attributes tend to be the most broken. Among these Quirks are a handful that not only increase the user's striking power, but also make them virtually unstoppable fighters.

My Hero Academia: 9 Jokes That Would Crack Upon Waking Up
These Quirks in My Hero Academia would break upon awakening.
10
One for all holds the power of nine generations of heroes
This legendary power was born during the Dawn of Quirks and began as a fusion of an energy-hoarding Quirk and the ability to transfer energy to someone else. Over time, One For All grew to become the most impressive and dangerous force booster in the entire series, capable of not only increasing its user's strength tenfold, but also causing significant collateral damage due to its overwhelming force.
At 100% power, Deku's Quirk was capable of destroying entire city blocks with a single strike, without taking into account the other six abilities hidden within Yoichi's legacy. By combining One For All's already overwhelming power with abilities like Gearshift or Fa Jin, Deku's single attack can destroy an entire city.
9
The new order allows the user to break the laws of reality
The New Order, controlled by America's number one hero, Star and Stripe, is a quirk that can defy even the laws of reality. The user of this omnipotent ability can list up to two rules that will happen no matter what. This can be something as simple as enhancing the target's physical abilities to stunning events such as using lighting as a weapon.
Cathleen would normally use one of her rules as a permanent way to increase her power to an unimaginable level, just ahead of All Might's power. The second rule could be used to either increase the range of her attacks, manipulate reality to counter her opponents, or protect innocent people from collateral damage. Star and Stripe was a force not to be reckoned with, defeated only because of the conspiracy.
8
Overhaul can add muscle just by touching others
As the name suggests, the Quirk wielded by the villain Kai Chisaki was a terrifying and powerful ability that allowed him to deconstruct and rebuild any object he could touch. The man used this skill to conduct deep research into the Quirk Factors that people were born with, trying to find a cure for what he believed to be a dangerous epidemic.

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If necessary, Overhaul could use his power to destroy human bodies and transform them into muscle mass, extra limbs, or armor to wear during combat. In this state, Chisaki became virtually unstoppable by normal means, Deku was only able to defeat him due to Eri constantly healing his body with her Rewind Quirk.
7
Tokoyami's Dark Shadow is a true force of nature
Fuyumi Tokoyami might not be the first member of Class 1-A that fans think of when they think of formidable fighters. Still, she is one of the characters that has been able to show her true strength on more than one occasion, earning her place as one of the strongest. His sentient Quirk, Dark Shadow, manifested through a dark, amorphous creature that could aid Tokoyama during the fight.
The darker the place where the fight took place, the more power Fuyumi's partner could harness, becoming an unstoppable force of nature. During his battle against All For One, Tokoyami was one of the few heroes who was able to instill real fear in the Symbol of Fear. His ultimate attack, aptly named Ragnarok, was able to not only inflict heavy injuries on the villain, but also destroy miles of terrain.
6
Muscle augmentation is almost unstoppable
In the right hands, the Quirk, which grants its user superhuman strength, can become an instrument of good, allowing the user to save others in the most dire of circumstances. Unfortunately, when used by a villain like Muscular, a man obsessed with pain and death, the results are devastating. Muscle Augmentation is a quirk that gives the owner absolute control over the density, shape and layers of muscle tissue.
Goto used this power to increase his strength and durability to terrifying levels, becoming an unstoppable tank that can withstand virtually any attack. During their first battle, Midoriya was forced to go far beyond her limits to even harm the villain. At full power, Muscular could destroy entire buildings with a single punch, as well as withstand attacks that would have been fatal to any other character.
5
Stress is the perfect joke for a secret cult leader
Being the head of a leading technology company and the secret leader of a terrorist organization trying to overthrow the Japanese government must be a huge source of stress. No one knows this better than Re-Destro, a sinister villain who attempted to usher in a new world order in which people with powerful Quirks ruled over the weak.
In addition to being an impressively cunning individual, Rikiya also possessed a subtle yet explosively powerful Quirk: Stress. This ability stores any kind of stress, discomfort, annoyance, anger, or sadness the user is feeling and releases it as a massive boost to physical strength and durability. At full power, Re-Destro could be compared to a weakened All Might.
4
The strength and weight of Mt. Lady has increased due to Gigantification
The Mount Lady is probably one of the most underrated characters in the world My Hero Academia has ever been introduced and is not only among the strongest women in the series, but also one of the most successful. While her combat experience and technique were significantly lacking, at least by the end of the Final War arc, she was still an incredibly overpowered fighter.
Her power comes from her simple but effective Quirk, known simply as Gigantification. When using this ability, Yu will grow to more than 12 times her size, while her strength and density will also increase. Her greatest display of power was when she single-handedly held down a Gigantomachia monster that had been implanted with dozens of Quirks.
3
Mirko's kicks could easily kill someone for a rabbit
Ever since she was introduced My Hero Academia Mirko is one of the most popular characters due to his confident and arrogant personality, incredible design and extreme strength. Rumi is a woman who thinks of herself as an excellent fighter, and after seeing what she accomplished by pushing her Quirk, the Rabbit, to the limit, no one can deny her claim.

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The name of her ability pretty well explains what it does, giving her the physiology and relative strength of a rabbit. Her legs are several times stronger than those of a normal human and are capable of delivering kicks that could easily remove the head of a top Nom. Her agility and speed are also excellent, turning her into a human weapon, even after the severe damage she took during the Final War arc.
2
Twin Impact had the potential to be devastating
My Hero AcademiaClass 1-B never got a chance to shine throughout the franchise's history, which is a shame because many of its students have fascinating Quirks. One of the strongest had Nirengeki Shoda and was simply called Twin Impact. As the name suggests, this ability activates whenever the hero can make contact with an opponent.
Anytime after he successfully lands a hit, he can activate his skill to create a much stronger attack in the same spot where the first one was placed. This can result in devastating blows that the enemy has no way to defend against. The increase in power also means that a decently powerful first attack can culminate in a potentially lethal second.
1
The all in one allowed the user to hold as many power freaks as they wanted
Objectively the most powerful and broken Quirk in the entire series, All For One grants the user the ability to copy, take, and give any ability in the world as long as it can touch the target. Born during the Dawn of Quirks, this ability was the main tool in Zen Shigaraki's arsenal to conquer the Japanese underground and rule it from the shadows for centuries.
During his history as the Symbol of Evil, the man was able to acquire several power-enhancing quirks and became just as powerful, if not slightly more powerful, than One For All users. All For One was a monstrous fighter whose overwhelming power was enough to defeat entire squadrons of heroes in a matter of seconds.
- Release date
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2016 – 2025-00-00
- Network
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TBS, MBS, Nippon TV
- directors
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Shouji Ikeno, Tsuyoshi Tobita, Ikuro Sato, Takudai Kakuchi, Masashi Abe, Tetsuya Miyanishi, Kazuma Komatsu, Yoshifumi Sasahara, Masayuki Otsuki, Daisuke Tsukushi, Takayuki, Yamamoto, Yohei Takada Na Yamamoto, Yohei Takuka, Yohei Takuko Fukui Nakayama, Sayaka Morikawa, Takanori Yano
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Daiki Yamashita
Izuku Midoriya (voice)
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Kaito Ishikawa
Manga Fukidashi (voice)