My Hero Academia
Set in a society where roughly 80% of the population possesses superpowers called Quirks, the story follows quirkless boy Izuku Midoriya as he inherits the power of the No.1 hero and strives to become the greatest hero. Manga by Kohei Horikoshi, serialized in Weekly Shonen Jump 2014–2024. Eight anime seasons.
- Genre:
- バトル / 学園 / ヒーロー / SF
- Medium:
- Manga / Anime / Film
My Hero Academia — Timeline23 events
Emergence of Quirks and the Dawn of Meta-Ability Society
Beginning with an infant in China who emitted light, humans possessing extraordinary abilities called Quirks began appearing worldwide. Society fell into upheaval, but over generations the existence of Quirks became the new standard for humanity.
— Mentioned across multiple episodes/chapters as world-building backstory. No official year given.
Rise of All For One and the Birth of One For All
A man wielding the Meta Ability 'All For One' seizes control of a society in chaos. When he forcibly grants his younger brother Yoichi a power-stockpiling Quirk, it fuses with Yoichi's innate ability and gives rise to One For All.
— Revealed through flashbacks and exposition in the manga/anime.
Nana Shimura (7th User) Inherits One For All and Falls Fighting All For One
The seventh user of One For All, Nana Shimura, is defeated and killed by All For One. Having already passed the Quirk to Toshinori Yagi, her death becomes a formative wound for All Might and fuels his drive to defeat All For One.
— Shown in flashbacks. Exact timeframe unspecified.
All Might vs. All For One: First Major Battle — All Might Gravely Wounded
All Might defeats All For One in direct combat but sustains severe internal injuries in the process. From then on, All Might continues as the Symbol of Peace while hiding his diminished true form.
— Revealed through All Might's recollection. Approximate timeframe only.
Izuku Midoriya Meets All Might — One For All Succession Decided
Izuku Midoriya, repeatedly told that a quirkless person cannot be a hero, encounters All Might at an accident scene. Moved by Izuku's selfless heroism, All Might resolves to choose him as the ninth successor of One For All.
— Chapter 1 / Season 1, Episode 1.
One For All Transferred to Izuku — UA High Entrance Exam
Under All Might's guidance, Izuku trains for about a year to condition his body and receives One For All. During UA's practical entrance exam, his selfless act of saving Uraraka earns him enough rescue points to pass.
— Chapters 1–3 / Season 1, Episodes 1–4.
USJ Attack — League of Villains Targets UA Class 1-A
The League of Villains led by Tomura Shigaraki raids the UA Unforeseen Simulation Joint during a first-year class, attacking Class 1-A and their homeroom teacher Aizawa. Villains including the Nomu engage the students until All Might arrives.
— Season 1, Episodes 9–13 / Chapters 13–21.
UA Sports Festival
UA's interschool sports festival showcases the abilities of all students. Izuku's all-out clash with Shoto Todoroki draws attention, while Katsuki Bakugo ultimately wins the tournament. The event serves as a live hero audition watched across Japan.
— Season 2, Episodes 14–25 / Chapters 22–44.
Hero Work-Studies — The Hero Killer Stain
During hero work-studies, Izuku, Iida, and Todoroki encounter the Hero Killer Stain in Hosu City. Iida, driven by revenge for his gravely injured brother, joins the fight, and the three students apprehend Stain together.
— Season 2, Episodes 26–33 / Chapters 45–57.
Forest Training Camp — League of Villains Raid and Bakugo Abduction
While Class 1-A and 1-B hold a joint forest training camp, the League of Villains launches a surprise attack using Mustard's poison gas. Several students are injured and Katsuki Bakugo is abducted, triggering a national crisis.
— Season 3, Episodes 40–45 / Chapters 70–83.
Kamino Incident — Bakugo Rescue and All Might's Retirement
Pro heroes storm the League's hideout to rescue Bakugo. All For One appears and engages All Might in a climactic duel. All Might defeats him with the United States of Smash but expends the last of his power before the watching world, forcing his retirement as the Symbol of Peace.
— Season 3, Episodes 49–50 / Chapters 88–95.
UA Dormitory System Established — Class 1-A Moves In
In response to growing social unease, UA establishes a dormitory system to keep all students under secure supervision. The Provisional Hero License Exam is held, with many students including Izuku, Todoroki, and Bakugo obtaining their provisional licenses.
— Season 3, Episodes 52–60 / Chapters 98–120.
Overhaul Arc — Raid on the Shie Hassaikai
The yakuza boss Overhaul attempts to manufacture and distribute Quirk-Destroying Bullets using Eri as a source. A joint raid by pro heroes and police dismantles the Shie Hassaikai, and Eri is rescued.
— Season 4 / Chapters 133–162.
UA School Festival and Bakugo–Izuku Reconciliation
UA holds its annual cultural festival open to the public, with Class 1-A performing a live concert. Meanwhile, an enhanced villain threatens the event. After the festival, Bakugo reveals he had already deduced the secret of One For All, marking a shift in his relationship with Izuku.
— Season 4, second half / Chapters 169–183.
Endeavor Becomes No.1 Hero — Battle Against High-End Nomu
Following All Might's retirement, Endeavor is ranked the new No.1 hero. His brutal battle against the High-End Nomu cements his position in the public eye. The arc also reveals the dark history of the Todoroki family.
— Season 5, early episodes / Chapters 184–193.
Meta Liberation Army War — League of Villains Expands
The Meta Liberation Army, advocates of free Quirk use, clashes with the League of Villains. Shigaraki awakens and fully unleashes Decay, overwhelming the army. The two factions merge into the Paranormal Liberation Front.
— Season 5, second half / Chapters 218–240.
Paranormal Liberation War — Heroes Raid the Liberation Front
Heroes launch a coordinated raid on the Paranormal Liberation Front's headquarters and a secret hospital. Shigaraki awakens with overwhelming power and escapes; Dabi reveals himself as Endeavor's eldest son Toya Todoroki; Hawks kills Twice. The battle ends in catastrophic losses for both sides.
— Season 6, opening episodes / Chapters 253–306.
Hero Society Collapses — Izuku Goes Solo
Public trust in heroes plummets following the devastation of the Liberation War, and many pro heroes retire. To protect his friends, Izuku leaves UA and begins pursuing the escaped Shigaraki and All For One alone, adopting a new dark costume.
— Season 6, mid-season / Around Chapters 306–325.
Izuku Returns — Classmates Persuade Him Back to UA
Exhausted and cornered, Izuku is rescued by Bakugo and the rest of Class 1-A. Accepting that he does not have to fight alone, Izuku returns to UA and the class begins preparing for the final showdown.
— Season 6, late episodes / Around Chapters 325–343.
Final War Begins — Multi-Battlefront Operation
Heroes devise a strategy to separate and contain Shigaraki, All For One, and their forces across multiple simultaneous battlefronts. Endeavor, Hawks, Best Jeanist, and other top heroes each lead their own engagements.
— Season 7 / Chapter 344 onwards.
Izuku vs. Shigaraki — Full Unleashing of One For All
In the climactic battle against Tomura Shigaraki—whose body is being overtaken by All For One—Izuku unleashes the full power of One For All with the backing of all previous wielders. He fights while also attempting to reach the true Shigaraki buried within.
— Season 7–8 / Around Chapters 360–409.
All For One Destroyed — The Final War Ends
Izuku's strike aligns with Shigaraki's own will, destroying All For One completely. Villains across every battlefront are subdued, bringing the long conflict between heroes and villains to an end—at enormous cost to heroes and civilians alike.
— Chapters 409–429 / FINAL SEASON.
Society Rebuilt — Izuku Becomes a UA Teacher
Eight years after the Final War, hero society has rebuilt itself. Izuku, with One For All now fully extinguished within him, chooses to become a teacher at UA High School rather than a pro hero, passing on to the next generation the words All Might once gave him: 'You can become a hero.'
— Chapter 430 (final chapter) and the special episode 'More'.
About data reliability: This is an unofficial, fan-made site. All rights to each work belong to their respective owners. It is an index and guide to the official works, not a substitute for them.