One For All is one of the strongest Quirks in My Hero Academia, if not the strongest. It allows the super to stockpile incredible amounts of power within their body which, when released, grants a tremendous boost in power.
Deku's final quirk is known as 'gearshift'. It's a quirk that is activated via physical contact. It allows the user to change the velocity of anything they touch, meaning they can spontaneously slow things down, or speed things up.
As of now, Deku has access to seven Quirks, namely One For All, Transmission, Fa Jin, Danger Sense, Blackwhip, Smokescreen, and Float. The basic gist of all these powers is that they all come from the previous One For All users, with their abilities becoming stronger throughout the generations.
Izuku was raised primarily by his mother Inko, who has the ability to make small objects float towards herself. His father, Hisashi, whose quirk allows him to breathe fire, is not seen due to him working abroad in the United States.
According to the events of My Hero Academia so far, Deku grew up without a Quirk. He was given the OFA Quirk when he met All Might. The series does give an explanation for why Deku was deemed Quirkless. With that said, more than a few fans are skeptical about it.
Fans know that his name is Hisashi Midoriya and that his quirk is fire breathing. It's assumed that Hishashi's fire-breathing quirk isn't as eye-catching as Dabi's flames since Inko brushed it off at Izuku's doctor's appointment as a child. Currently, Hisashi's work has taken him abroad, leaving Inko and Izuku alone.
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All For One is arguably the rarest and most powerful Quirk possessed by any villain in My Hero Academia. This Quirk so thoroughly defines its bearer that he's taken it as his name.
His Quirk is Explosion (爆破), which allows him to make explosions from his hands by detonating the nitroglycerin-like substance he sweats; throughout the series, he learns various different ways to apply this.
Bakugo was stronger than Midoriya, though he indicated that Midoriya could eventually surpass him.
very quickly over the 40-year span he used The Quirk in comparison. within only a span of one and a half years Deku has mastered 45. but is using a combination of quirks to reach 120. Deku is using much more force and resilience to be able to throw five punches in an instant 120.
Deku, especially, is closing on his peak and has awakened powers that fans never expected him to possess. He is someone worthy of being considered as the strongest hero already and still has more room left to grow. In the Final War arc, Izuku Midoriya has gained several new powers.
IQ ( IQ アイキュー , Ai Kyū?) is the Quirk used by Saiko Intelli.
The first person to manifest a Quirk was a newborn baby in the city of Quig Quig, China, who had the ability to emanate light from their body.
While not every One For All user has had multiple Quirks, some of them did indeed possess more than one, with the first user of One For All, Yoichi Shigaraki, being the prime example. He has access to two Quirks, as did Hikage Shinomori, and Diagoro Banjo.
Manga Debut
Akazuko Midoriya (fan-made character) is the eldest son of Deku (Izuku Midoriya) the worlds greatest superhero he is reffered to as ''next''. he is one of the main characters striving to achieve his dream of becoming the number 1 hero,after receiving one of the worlds most powerful quirks.
Quirk. Glycerin (グリセリン, Guriserin?): Mitsuki's Quirk gives her the ability to secrete Glycerin from her skin.
Unknown to the world, All Might was actually born Quirkless. As a teenager, Toshinori became the eighth One For All successor, after inheriting the One For All Quirk from a Pro-Hero named Nana Shimura.
Garaki specifically stole Deku's quirk from him as a child because of its impressive potential, it's also likely that same quirk could've been the ability that All For One chose to pass down to his quirkless successor, Shigaraki.
Why does Deku become a villain? The concerns surrounding Deku grew after he awoke his new quirk Black Whip, originally belonging to Daigoro Banjo, one of the inheritors of One for All. Deku was unable to control its powers and its generally dark and intimidating image didn't help his case.
Whenever a hero engages in battle, there is the expectation that parts of their costume will get ripped up or destroyed. With his mask being the first piece to suffer this, as it was not well-designed, Deku likely realized there was no point in having it be constantly repaired or remade by the school's Support Course.