The 7 Incredible Quirks Of Izuku Midoriya: Deku’s Ultimate Power Stack Explained In The Final War Arc

Izuku Midoriya, the once Quirkless boy who inherited the legendary One For All (OFA), is currently the most powerful hero on the planet, a development that has kept fans on the edge of their seats throughout the ongoing Final War Arc. As of December 2025, the story of *My Hero Academia* has reached its climactic conclusion in the manga, with the anime's final season on the horizon, spotlighting Midoriya's desperate, all-out battle against the ultimate villain, All For One. His journey from a timid, notebook-carrying fanboy to the symbol of hope, "Deku," is defined not just by his immense strength, but by the complex stack of seven inherited Quirks he now wields.

This article dives deep into the complete power set of the main character, exploring the individual abilities that make up his arsenal and analyzing his pivotal, high-stakes role in the final confrontation that will determine the fate of hero society. Understanding these powers is essential to grasping the magnitude of the challenges he faces and the sacrifices he must make to live up to the legacy of All Might and the previous OFA users.

Izuku Midoriya: The Biography of a Quirkless Hero

Izuku Midoriya, known by his hero name Deku, is the central protagonist of *My Hero Academia* (Boku no Hīrō Akademia). His journey is a classic underdog story, beginning in a world where approximately 80% of the population possesses a unique superpower known as a "Quirk," yet he was born completely Quirkless. This lack of an ability was a source of great pain and mockery, particularly from his childhood friend and rival, Katsuki Bakugo, who mockingly gave him the nickname "Deku" (meaning "useless").

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• Full Name: Izuku Midoriya
• Hero Name: Deku (デク)
• Birthday: July 15
• Age: Varies (Starts at 14, currently 16-17 in the Final Arc)
• Height: 166 cm (5'5")
• Quirk (Original): Quirkless
• Quirk (Current): One For All (OFA)
• Affiliation: U.A. High School, Hero Department, Class 1-A
• Mentor: Toshinori Yagi (All Might)
• Goal: To become the world's greatest hero, following in All Might's footsteps.

Despite being Quirkless, Midoriya possessed an unparalleled analytical mind, meticulously documenting the Quirks and fighting styles of every hero he encountered in his "Hero Analysis for the Future" notebooks. His innate heroism and willingness to rush in and save others, even without power, caught the attention of the legendary hero All Might. This act of selfless bravery led to All Might choosing Midoriya as his successor and bestowing upon him the transferable Quirk, One For All, setting him on the path to U.A. High School and ultimately, the fight against the League of Villains and All For One.

The Seven-Quirk Arsenal: Decoding One For All’s Full Potential

One For All is more than just super strength; it is a "Stockpiling Quirk" that accumulates raw power and, crucially, the Quirks of all its previous users. Midoriya, as the ninth user, has successfully awakened and mastered six additional Quirks, transforming him from a simple powerhouse into a versatile, strategic force. This multi-Quirk mastery is what makes his current power level unprecedented and essential for defeating the ultimate evil.

Here is a breakdown of the seven Quirks in Deku's possession, ranked by their utility and impact on his fighting style:

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1. One For All (The Base Power)

This is the core of his power, inherited from All Might. One For All grants Midoriya immense superhuman strength, speed, agility, and durability. The Quirk also allows him to use powerful techniques like 'Delaware Smash' and 'Detroit Smash' and its full-body application, 'Full Cowl,' which spreads the power throughout his body for enhanced mobility. The sheer destructive power of OFA is what makes him a match for the strongest villains.

2. Black Whip (Fifth User: Daigoro Banjo)

Black Whip was the first Quirk Midoriya awakened, manifesting during the Joint Training Arc. It allows him to produce and control tendrils of dark energy from his body. This Quirk is incredibly versatile, used for grappling, capturing enemies, swinging through the city, and rapidly increasing his mobility. It’s a crucial tool for both combat and rescue operations, offering a significant advantage in urban environments.

3. Float (Seventh User: Nana Shimura)

Inherited from All Might's own mentor, Float grants Midoriya the ability to suspend himself in the air. While initially simple, combining Float with the raw power of One For All allows him to achieve true flight and maneuverability, drastically expanding his combat range and evasion capabilities. It is a key factor in his aerial battles against powerful foes.

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4. Danger Sense (Fourth User: Hikage Shinomori)

Danger Sense is a highly valuable passive Quirk that allows Midoriya to detect nearby threats. It functions similarly to a "Spidey-Sense," alerting him to malicious intent or immediate danger in his vicinity. This precognitive ability is vital for reacting to surprise attacks and the unpredictable movements of villains like Shigaraki and All For One.

5. Fa Jin (Third User: Bruce)

Fa Jin allows Midoriya to store and release kinetic energy through repetitive movements. By mimicking a martial arts technique, he can build up energy and unleash it in a sudden, explosive burst of speed and power, similar to a charging mechanism. This Quirk is essential for delivering rapid, devastating blows and closing distances instantly.

6. Smokescreen (Sixth User: En)

This Quirk allows Midoriya to generate a thick cloud of smoke from his body, obscuring the vision of his opponents and creating a diversion. Smokescreen is a highly tactical Quirk, used for stealth, escape, or repositioning during intense battles, giving him a moment of cover to plan his next move or switch Quirks.

7. Gearshift (Second User: Kudo)

Gearshift is arguably the most complex and powerful of the inherited Quirks, only fully mastered late in the Final Act Saga. It allows Midoriya to manipulate the speed of anything he touches, including himself, by changing its "gear." This means he can drastically slow down an enemy's movements or accelerate his own speed to unimaginable levels, making him an unstoppable force in a direct confrontation.

The Final War Arc: Deku’s Ultimate Stand Against All For One

The current narrative climax of *My Hero Academia* centers on the Final War Arc, where Izuku Midoriya's full power and emotional resilience are tested like never before. His role is singular and overwhelming: to defeat the ultimate evil, All For One (AFO), and his vessel, Tomura Shigaraki.

The entire hero society has fragmented and mobilized for this final battle, but the weight of the world rests on Deku's shoulders. The Final War Arc showcases several key aspects of the main character's development:

• Mastery of All Seven Quirks: Deku is forced to seamlessly combine all seven Quirks to counter the overwhelming power of Shigaraki/AFO. The strategic use of Black Whip for mobility, Danger Sense for awareness, and Gearshift for final, devastating blows demonstrates his evolution from a brute-force user to a master tactician.
• Emotional and Physical Trauma: The arc highlights the immense toll the fight takes on Midoriya. After the Paranormal Liberation War, he briefly went rogue, becoming a vigilante known as "Dark Deku," driven by a desire to protect his friends and the general populace from AFO's targeting. This dark phase emphasized his isolation and the burden of OFA.
• The Battle for Shigaraki's Soul: A significant emotional component of the final fight is Deku's attempt to reach the remnants of Tenko Shimura (Shigaraki's original self) within the villain's body. His unwavering belief in saving everyone, even his enemies, is the ultimate test of his heroism, contrasting sharply with AFO's nihilism.
• The Legacy of One For All: Midoriya is the final hope for OFA, as the Quirk is rapidly consuming his body due to his Quirkless origin, making him the ideal, but also the last, user. The Final War is a race against time and a battle for the very existence of Quirks and heroism.

In this final confrontation, Deku is not fighting alone. Key allies like Katsuki Bakugo, Shoto Todoroki, and Ochaco Uraraka have all stepped up, proving that the dream of a true hero society is a collective effort. However, the ultimate clash between One For All and All For One remains a destiny that only Izuku Midoriya can fulfill, solidifying his status as the greatest hero of his generation and the true Symbol of Peace.