1 - 20 of 195 Bookmarked Items in Quirk Theory (My Hero Academia)

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  1. *

    Hand to Heart (Right to Left) by

    Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia  

    20 Feb 2019

    Tags
    Summary

    Shouto indulges Midoriya's curiousity about how his Quirk works. Just like everything he does with Midoriya, Quirk study sessions quickly become life-changing.

    In other words: Shouto learns how to spite his dad, scare his friends, and how teenagers are supposed to act when they're in love.

    Language:
    English
    Words:
    13,248
    Chapters:
    4/4
    Collections:
    58
    Comments:
    991
    Kudos:
    14,463
    Bookmarks:
    4,376
    Hits:
    127,617

  2. 12

    Guiding Light by ,

    Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)  

    11 Sep 2025

    Tags
    Summary

    Izuku Midoriya was not quirkless, but with the quirk he has he might as well be less than quirkless...he is vulnerable, but despite this misfortune, Izuku pushes on using his natural smarts and genius to become the Guiding Light of the future, by supporting heros behind the scenes and in the scenes too~

    Series
    Language:
    English
    Words:
    19,287
    Chapters:
    10/?
    Comments:
    31
    Kudos:
    32
    Bookmarks:
    12
    Hits:
    708

  3. *

    Starborn Hero by

    Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia  

    07 Jan 2023

    Tags
    Summary

    In canon, Izuku turned out to be quirkless, despite both his parents having quirks: one that attracts small objects and one that breathes fire. There are so many ways for these quirks to have combined into what could’ve been Izuku’s, and so many of these potential combinations can be seen across the multiverse. In this specific one, however, Izuku Midoriya is born with a star in his stomach and plasma coursing through his veins…That’s sure to affect a few things in his life, for better and for worse.

    A healthy dose of the butterfly effect, plenty of quirk theory and analysis, unconventional relationships and dilemmas, a revamped curriculum and more await Izuku and the others, in a world that seems so similar yet so different once you look closer.
    (Previously ‘Quirk: Starborn’)

    “Izuku, promise me you’ll be just like the Sun, the brightest star in the sky. That way, when I and everyone else all over the world look up, we’ll know it’s you.”

    Act 1: (Chapters 01-12) Leap
    Act 2: (Chapters 13-27) Ascent
    Act 3: (Chapters 28-41) Surpass
    Act 4: (Chapters 42~57) Soar
    Act 5: (Chapters ?? - ??) Apex
    Act 6: (Chapters ?? - ??) Beyond

    Series
    Language:
    English
    Words:
    732,721
    Chapters:
    56/?
    Collections:
    24
    Comments:
    1,805
    Kudos:
    3,828
    Bookmarks:
    1,395
    Hits:
    380,030

  4. *

    Headcanons, Drabbles, Ficlets and Things That Aren't Quite Either by

    Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia  

    25 Aug 2020

    Tags
    Summary

    This is a collection of headcanons, drabbles, half-fics and other stuff from my tumblr that I want to have in one place, but that doesn't really warrant it's own fic. Features a range of characters, but probably going to mostly be about Katsuki, Hawks or Dabi.

    Language:
    English
    Words:
    149,426
    Chapters:
    66/66
    Collections:
    6
    Comments:
    1,452
    Kudos:
    7,311
    Bookmarks:
    1,188
    Hits:
    167,335

  5. *

    Words as Weapons by

    Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia  

    04 May 2024

    Tags
    Summary

    When Midoriya Inko dies in childbirth, Midoriya Hisashi—better known as All for One—decides to raise his son Izuku by himself... without ever telling Izuku he’s Japan’s worst supervillain.
    While navigating his father’s high expectations, insidious emotional abuse, and overpowering quirk, Izuku fights to become a hero.

    - - -

    Old summary:
    Midoriya Hisashi is All for One.
    Midoriya Izuku is going to become a hero.

    Series
    Language:
    English
    Words:
    158,847
    Chapters:
    40/40
    Collections:
    50
    Comments:
    3,743
    Kudos:
    10,019
    Bookmarks:
    2,837
    Hits:
    319,251

  6. *

    All for You by

    Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)  

    11 Jan 2025

    Tags
    Summary

    All for One, the quirk and name of a legendary villain known amongst the underground since the dawn of quirks. But in an attempt for the villain to secure his heritage and legacy, his son of the same quirk leaves the villain behind to start a more peaceful life. Now the newest bearer of All for One appears, Midoriya Izuku, grandson of the feared supervillain. And he doesn't want a simple life, he wants to be a hero, and right the wrongs of his family's past.

    Now Cross-posted to Fanfiction.net under the same Title and Username!

    Language:
    English
    Words:
    118,076
    Chapters:
    19/?
    Comments:
    320
    Kudos:
    822
    Bookmarks:
    291
    Hits:
    41,659

  7. 29

    Invictus by

    Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)  

    25 Aug 2025

    Tags
    Summary

    Izuku’s morning starts like any other. He's exhausted, anxious, and still recovering from the recent U.S.J. attack. But things take a turn when he’s ambushed on the way to school by two villains sent to capture him. Just as all hope seems lost, something terrifying and unfamiliar bursts from within him: wings. Real, scaly, dragon-like wings. Now Izuku’s left with one question: what’s happening to me?

    Or: Izuku grows a pair of wings, along with other dragon-like traits. Now he has to balance his new quirk, One for All, and Yuuei. And who's this Boss guy that's so obsessed with him?

    Language:
    English
    Words:
    6,033
    Chapters:
    2/?
    Comments:
    22
    Kudos:
    87
    Bookmarks:
    29
    Hits:
    1,086

  8. *

    Give Me Something for the Pain and Let Me Fight by

    Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia  

    08 Sep 2025

    Tags
    Summary

    Izuku may have been the luckiest man alive. He had a family. Friends who loved him. Teachers he trusted. The best Quirk in the world.

    And even when it all came crushing down, his only regret was not having enough time to tell them how important they were to him. He wished for more.

    Was he regretting that wish now? Yes.

    Would he give up? No.

    Would this be the last one? He wasn’t betting on it.

    Being stuck in a debilitating time loop tends to make things irritating.

    Series
    Language:
    English
    Words:
    452,810
    Chapters:
    78/?
    Collections:
    9
    Comments:
    3,083
    Kudos:
    6,329
    Bookmarks:
    1,455
    Hits:
    537,324

  9. 86

    Give Me Something for the Pain and His Cycles by

    Fandom: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia, 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)

    08 Sep 2025

    Summary

    Izuku knew he had been Quirkless before inheriting [One For All].
    But maybe he wasn't, and his Quirk had the worst activation requirements imaginable.

    The first entry is the main story, with the (hopefully) last cycle of poor Izuku's hellish year.
    Everything else are little looks at past loops, canonical for the main story.

    Words:
    470,983
    Works:
    3
    Bookmarks:
    86

  10. *

    I Didn’t Want This (but I’ll make the most of it anyway) by

    Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia  

    05 Jul 2025

    Tags
    Summary

    Reborn as Midoriya Izuku with memories of a prior life intact, this particular soul overrides genetics. Even with an extra toe joint, this Midoriya Izuku uncovers a somewhat subtle Quirk of their own. They have a Quirk, but they’re not saying a word. They’re functionally Quirkless for the most part, anyway.

    Until One For All is added to the equation, enabling their own Quirk to work on themself as well rather than only on others.

    In which Midoriya Izuku has a Quirk, and is maybe more bitter over being alive than being labeled Quirkless due to society being complete and utterly unobservant assholes.

    Series
    Language:
    English
    Words:
    68,708
    Chapters:
    30/?
    Collections:
    17
    Comments:
    1,783
    Kudos:
    6,588
    Bookmarks:
    2,402
    Hits:
    155,485

  11. *

    You know that thing where an orchestra swaps instruments, and like, some of them get it right away, but others have no clue what they're doing? This is that but with quirks, two unwilling participants, and also Emotions by for Sixcupsofcoffeetogo

    Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia  

    28 Oct 2019

    Tags
    Summary

    Momo wasn't sure why it came as such a shock to her and her classmates that nitroglycerin was not, in fact, easy to control. The chemical was defined by it's instability, it's ability to go off under near any circumstances, it's powerful blows.

    And yet, Katsuki had always made it look so simple. He soared through the air like it was nothing, switching between bullet-sized blasts and missile levels of firepower like most people switched channels on TV. Momo had found herself jealous of his quirk at times, unable to help wondering what it would be like to have such power at her fingertips.

    Good news, she didn't have to wonder anymore. Bad news, it was absolutely terrible.

    Series
    Language:
    English
    Words:
    13,894
    Chapters:
    1/1
    Collections:
    38
    Comments:
    302
    Kudos:
    14,526
    Bookmarks:
    2,873
    Hits:
    119,102

  12. 4

    The Power of All! by

    Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)  

    19 Oct 2025

    Tags
    Summary

    The day Izuku Midoriya met All Might was the craziest day of his life, but not for the reason everyone thinks, because it was the day he became Izuku Midoriya. Being an Isekai Protagonist wasn't on his bucket list, but he does his best to take things as they come.

    Normally, he'd have just trained to become a student at U.A, but since he hates school so much, he just decided to cut out the middleman and jump right into the thick of things. This decision resulted in pain and growth, trauma and confusion, and the rapid evolution of his Quirk into something new entirely.

    Language:
    English
    Words:
    10,535
    Chapters:
    2/?
    Comments:
    7
    Kudos:
    13
    Bookmarks:
    4
    Hits:
    115

  13. *

    A Golden Delinemaition Of Katsuki Bakugou by

    Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia  

    02 Sep 2020

    Tags
    Summary

    A trashy morning talk show leads to unnecessary dramatics, insecure teenagers, an important lesson on the value of scars for the students of UA, and an even more important lesson for Toshinori about a certain explosive student of his.

    Everyone has scars, some people's are just harder to see if one doesn't bother to look closely.

    Series
    Language:
    English
    Words:
    4,667
    Chapters:
    1/1
    Collections:
    7
    Comments:
    130
    Kudos:
    5,781
    Bookmarks:
    650
    Hits:
    39,014

  14. 33

    Pray You Don't Get Attached by

    Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)  

    31 Aug 2025

    Tags
    Summary

    Amaya Takashi is born on the 4th of May, to a loving father and mother in Musutafu, Japan. He has fair white hair and vibrant, almost acidic green eyes.

    He’s also the reincarnation of a twenty-year-old My Hero Academia fan. So, there’s that.

    Language:
    English
    Words:
    13,806
    Chapters:
    6/?
    Comments:
    25
    Kudos:
    117
    Bookmarks:
    33
    Hits:
    2,053

  15. *

    Hammerverse + by

    Fandom: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia, 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)

    21 Nov 2024

    Summary

    Hammerverse - Main series beginning with When all you have is a Hammer. Izuku has a weak quirk, but he doesn’t let this stop him.

    + - Anything else I think readers of Hammerverse will enjoy reading, be they side-stories, what-ifs or other stories with a similarly quirk-fluent Izuku!

    Make sure to read them in order! There are some spoilers for Hammerverse, even in the fics that aren’t canon!

    Words:
    53,024
    Works:
    2
    Bookmarks:
    110

  16. *

    War of Words by

    Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)  

    30 Aug 2025

    Tags
    Summary

    Everyone knows: Izuku’s father is All for One. The epiphany shook the world, but no one more than Midoriya Izuku and… Shigaraki Tomura.

    Finally free from the oppressive, abusive “parenting” of All for One, both Midoriya and Shigaraki have to figure out how to live in this new world, and what they want out of it.

    Series
    Language:
    English
    Words:
    19,689
    Chapters:
    3/20
    Comments:
    169
    Kudos:
    415
    Bookmarks:
    102
    Hits:
    5,798

  17. *

    Escapism and Other Coping Methods by

    Fandom: Naruto, 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia

    07 Aug 2025

    Words:
    272,970
    Works:
    4
    Bookmarks:
    537

  18. *

    Izuku Midoriya vs the World (On Hiatus) by

    Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia  

    26 Oct 2020

    Tags
    Summary

    This is an orphaned work.

    Izuku Midoriya has always been observant. He makes connections that other people don't, and that's why he's so good at quirk analysis. It's why he can see just how much is wrong with hero society, too.

    He may be Quirkless, but Izuku will not let that stop him. He's going to change the way that things are, and that starts with getting himself into UA. People might not ever take him seriously, but he'll prove him wrong each and every time that they doubt him.

    Izuku is going to be a hero. He's going to be a hero for people just like him: the ones who are Quirkless and told that they'll never amount to anything. He's going to be a hero for people who have undesirable quirks, whether they're weak or "villainous". He's going to be a hero that understands the difference between criminal and villain, because too many people seem to be forgetting that difference. Izuku is going to be a hero who advocates and fights for change. He's going to be a hero who believes in giving villains second chances because they're people too.

    Izuku Midoriya is going to do more than change the system. He's going to break it.

    Language:
    English
    Words:
    92,742
    Chapters:
    20/?
    Collections:
    4
    Comments:
    1,069
    Kudos:
    2,441
    Bookmarks:
    892
    Hits:
    62,952

  19. *

    Inadvertent Wilderness Therapy by

    Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia  

    17 Jun 2020

    Tags
    Summary

    Following an unfortunate encounter with a teleporter on the last day of internships, Bakugou Katsuki and Hakamata Tsunagu spend some quality time in northern Canada.

    In no particular order they will: build ugly survival shelters, stalk rabbits, run from polar bears, reflect on the chemical composition of trees, insult each other, and complain about krumholtz.

    Language:
    English
    Words:
    47,305
    Chapters:
    11/11
    Collections:
    19
    Comments:
    451
    Kudos:
    2,141
    Bookmarks:
    862
    Hits:
    34,557

  20. *

    I Borrowed a Cat’s Paws by

    Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)  

    03 Oct 2025

    Tags
    Summary

    There were a lot of exclamations as he passed, shouts of ‘kitty!’ or gasps of ‘cute!’, but nobody tried to stop him. He was making good progress towards the police station. He was about ninety-eight percent sure that, despite his size and messed-up vision, he was still on the right track, and soon this whole fiasco would be over and Shouta could go back to tormenting his students into being better heroes.
    And then, of course, everything went wrong.
    - - -
    Or: Aizawa gets turned into a cat. That's the only good part of his day.

    Series
    Language:
    English
    Words:
    108,423
    Chapters:
    30/30
    Comments:
    631
    Kudos:
    1,051
    Bookmarks:
    237
    Hits:
    26,818

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