Final War Arc

The Final War Arc is the twenty-second story arc in My Hero Academia, and the fourth story arc in the Final Act Saga.

The time has come for the final battle between the Heroes and Villains to decide the fate of the world. All For One thinks he has the upper hand in finally cornering Izuku Midoriya and One For All, but thanks to Yuga Aoyama and the power of the Warp Gate Quirk, the Heroes turn the tables, splitting the Villains up to divide and conquer.

Story Impact

 * All Might, Naomasa Tsukauchi, and Nezu inform Class 1-A of their plans for the "Final War".
 * Using Hitoshi Shinso's Brainwashing Quirk, which he has trained to allow him to get people to speak, he can brainwash the Aoyama Family so they can communicate with All For One without him detecting any lies in their voices, and allow them to lure him to a specific location.
 * Meanwhile, Shota Aizawa enlists Neito Monoma to Copy Kurogiri's Warp Gate Quirk, so that the Heroes can be warped onto the battlefield for a surprise.
 * It is revealed during the first era of Quirks, All For One stole a "Lie Detector" Quirk from one of Naomasa Tsukauchi's ancestors.
 * He commands the Aoyamas to deliver Izuku to him, using the Quirk to determine they aren't lying.
 * After meeting in an abandoned parking lot, Yuga seemingly betrays Izuku to All For One, only to reveal it was all an act they put on to lure him out of hiding.
 * He also reveals during the charade All For One's ultimate goal to instill chaos throughout the world so that Quirks are the only thing of value, so that he may rise up with his arsenal of Quirks and take control of everything.
 * All For One warps all the Villains to fight, while the Heroes, thanks to Neito, utilize the Warp Gate Quirk to warp themselves to the battlefield.
 * All Might activates the "Troy" defense system, surrounding all the villains into separate cages, delaying them enough for the Heroes to throw them into separate Warp Gates, splitting them all up.
 * All For One is warped to the ruins of the Gunga Mountain Villa, to face against a group of Heroes led by Endeavor and Hawks.
 * The team also consists of Kamui Woods, Shishido, Pixie-Bob, Tiger, Shemage, Tsukuyomi, and Earphone Jack.
 * Dabi is warped to Kamino to face off against Shoto.
 * The team also consists of Burnin, Kido, Onima, and Ingenium.
 * Tomura Shigaraki is warped to a now floating U.A. High, with the intention to face against Deku, but he's instead snagged away and ends up in a separate Gate.
 * The team also consists of Dynamight, Best Jeanist, Edgeshot, Mirko, Nejire Chan and Suneater.
 * Himiko Toga is warped to an aquarium on Okuto Island to face off against Uravity, Froppy, and Deku, who she had forcefully dragged with her..
 * The team also consists of Gang Orca, his Sidekicks, and Sirius.
 * Fat Gum is in command of the parking lot, to watch over Yuga and deal with the villains who weren't warped.
 * It is revealed the floating U.A. Fortress is designed to break off into individual segments in order to counter Tomura's Decay, as well as being surrounded by an electromagnetic barrier to prevent him from escaping.
 * The fortress is maintained by Power Loader, Cementoss, Mei Hatsume, and the Development Course to rebuild the broken pieces, with Mei being the one who designed the original structure.
 * Additional resources are provided by Creati, while the power to sustain the energy and barrier is provided by Chargebolt, Comicman, and the other electricity-based U.A. students.
 * Furthermore, Phantom Thief, assisted by Eraser Head and Manual, copies Erasure to once again erase Tomura's Quirks.
 * "Tomura" suddenly begins to sprout a monstrous glob of never-ending fingers from his left hand, revealed to be a result of the Quirk Singularity, with his body adapting to the immense amount of power he possesses.
 * Deku is unable to be warped to their location, due to Phantom Thief only being able to use one Quirk at a time, and the danger of undoing Erasure on "Tomura", forcing the Heroes to fight him in the meantime.
 * On Okuto Island, Himiko attacks Deku, bypassing his Danger Sense due to not having any malicious intent, asking him to be her boyfriend.
 * Deku's response causes Himiko to feel rejected, as Uravity and Froppy resolve to handle her, while he blasts away across the ocean back toward the battlefield (using Float, Fa Jin, and Air Force).
 * The Second User of One For All cautions him not to overdo himself, as well as revealing that his Meta Ability has evolved beyond the point it used to be, and so must only be used as a last resort.
 * In Kamino Ward, Dabi creates a fire tornado that burns everything down, and is confronted by Shoto and the Flaming Sidekickers.
 * It is revealed that Toya survived his "death" after being rescued by All For One and Doctor Kyudai Garaki, intending to raise him as one of their "spare vessels".
 * He was comatose after his accident and awakens after three years, where he learns the experimentation process failed, with Toya still unable to handle his fire with his new body.
 * Toya escaped the nursery, with All For One and the Doctor letting him free, being unable to manipulate through his obsession with Endeavor, and believing he will only last a month till he dies.
 * Toya secretly returned home to find Endeavor continuing his abuse to Shoto, and once again reminded of his status as a failure, left his Toya identity behind and was reborn as "Dabi".
 * After being reunited with the Doctor years later, he realizes Dabi managed to survive all this time purely on his grudge toward his father.
 * Having studied his father's moves to get stronger, and breaking off his limits with his new body that can't feel pain, the increasingly combusting Dabi utilizes the Flashfire Fist technique to unleash attacks on Shoto and the Heroes.
 * Shoto unveils his own Flashfire Fist technique, Phosphor, combining his fire and ice into one, which he declares he'll use to take Dabi down.
 * He's eventually able to use this technique to power his Ultimate Moves, neutralizing Dabi's fire and seemingly defeating him.
 * All Might announces to all the battlefields of Shoto's success against Dabi, boosting everyone's morale.
 * A team at the Jaku Hospital Ruins, led by Mt. Lady, is revealed to be in charge of protecting Gigantomachia's containment facility from the Paranormal Liberation Front.
 * Pinky and Red Riot face against Midnight's killer while there.
 * A group of Heroes, including several U.A. students, are fighting at the Takoba National Stadium.
 * A Tartarus escapee named Kunieda is left behind in the Troy parking lot, targeting Can't Stop Twinkling.
 * Spinner, who has received a Body Bulking Quirk from All For One, leads an army of heteromorphs to storm Central Hospital to retrieve Kurogiri, while a team led by Present Mic defends it.
 * At the Gunga Mountain Ruins, All For One faces off against Endeavor and Hawks, who fight him alone in order to keep him away from the other fighters while trying to remove his new life support helmet.
 * It is revealed not all of Hawks' feathers were able to be recovered, so he wears prosthetic ones to reclaim some of his speed.
 * All For One taunts Endeavor, revealing his role in Toya's disappearance, allowing him to catch him off guard and slice his chest.
 * Tsukuyomi and Earphone Jack manage to save Hawks from All For One, ready to help him fight and buy time till Endeavor recovers.
 * Earphone Jack loses her left ear and subsequent earphone jack from an attack by All For One, but continues to fight back and resist despite his taunting and mockery.
 * The vestiges of the Quirks All For One has stolen in the past start to resist against him, due to him possessing a copy of All For One, making him weaker and more vulnerable.
 * The three remaining fighters successfully manage to destroy the mask, but All For One regains control of his Quirks by absorbing several of them into himself, and unleashing a hell of Rivet Stabs to attack his opponents and reclaim the pieces of his mask.
 * Endeavor returns to the fight to protect the three Heroes from most of the damage, but losing an arm in the process.
 * It is revealed what inspired Endeavor to be a hero was after seeing his father get killed while trying to save a girl from a villain.
 * Endeavor conflicts with his younger self about his actions and desires, declaring to makeup for his mistakes, he will put an end to All For One so the youth will have a better future.
 * Endeavor forms a Vanishing Fist from his amputated arm, blasting All For One and continuing his assault to wear him down, eventually using Prominence Burn to seemingly kill him for good.
 * However, All For One not only survives, but suddenly begins to regrow his body.
 * The fight against Tomura at the U.A. Flying Fortress continues, as the Heroes try to avoid the fingers and reach the main body.
 * Dynamight attempts to unleash the full power of his Cluster attack, only to be stopped by Tomura, crushing his right arm, telling him he's only interested in him due to his closeness with Izuku, intending to kill him to enrage Izuku like what happened during the War.
 * Lemillion arrives on the battlefield, revealing that he was also within the U.A. Flying Fortress, in charge of communications and acting as a bodyguard, and reunites with The Big 3 to fight Tomura.
 * Lemillion rescues Dynamight, rebutting "Tomura" by telling him he doesn't have any friends as he attacks him.
 * This unintentionally causes the spirit of "Tenko Shimura" that remains within him to re-awaken, leading "Tomura" to realize their melding is still incomplete.
 * Details about Nejire's past are revealed.
 * She used to be cold and distant towards everyone at U.A., due to their belief that she looked down on them because of her powerful Quirk, until Tamaki, and then Mirio, befriended her, causing her to open up.
 * Tamaki unleashes the true potential of his Quirk, the Vast Hybrid: Plasma Cannon, creating an ultimate fusion of every animal and plant he has eaten in his system, combined with Nejire's energy, to attack "Tomura", but unfortunately isn't enough.
 * Despite the pain and humiliation in his body, Dynamight tries to face off against "Tomura", outspeeding his movements.
 * "Tomura" starts to panic being overpowered, seeing a memory of the Second User of One For All.
 * After "Tomura" manages to punch him in the chest, Dynamight's heart is ravaged and his pulse stops, seemingly killing him.
 * Dabi regains consciousness, using his Quirk to recreate Shoto's Phosphor move, burning Kido and Onima in the process.
 * He learns thanks to Skeptic Endeavor's location at the Gunga Mountain Ruins.
 * Skeptic, still in the villains' secret alcove, is revealed to have re-taken control of the Feel Good Inc. satellites, preparing to hack into the U.A. and its underground bunker.
 * Among those in the underground bunker are Eri, the Todoroki Family, and the Masegaki Primary School staff and students.
 * It is revealed the Doctor reverse-engineered the Quirk-Destroying Drug and created a sample that executed the original Rewind effect on the entire body.
 * He left it, a new mask, and a pre-recorded message for All For One to find in the secret cave as a contingency measure, warning it can only be used as a last resort, as it will eventually rewind him to nothing.
 * All For One uses the drug to regenerate himself to his prime state, for the limited time available, to rescue Tomura from the Heroes' trap.
 * All For One's face is shown un-silhouetted for the first time.
 * In America, Timothy Agpar attempts to reason with the President to target Tomura, who instead suggests appealing to him, believing him to be unstoppable.
 * Edgeshot uses his Quirk to enter Dynamight's body, becoming as thin as a surgical suture to repair his heart, even at the cost of his own life.
 * It is revealed that Best Jeanist and Edgeshot went to U.A. together and created the "Textile Arts Association", with Best Jeanist as the club president.
 * Tomura, in a fit of rage, tries to stop the Heroes from their recovery attempt, but is held back by Mirko and the others.
 * Tomura realizes that he feels threatened by Dynamight, unable to understand why.
 * Mirko loses her right arm, being chomped off by Tomura's finger wave, but continues to fight, using her Ultimate Move Luna Rush to knock Tomura down.
 * Within Tomura, Tenko starts to get corrupted as the memories of not being saved by anyone flood back to him.
 * As a result, he begins to transform into a defensive state where his fingers surround his entire body, while the visages of the Shimura Family are emerged from his left hand.
 * Tomura uses this power to completely decimate the remaining Heroes, leaving Lemillion unable to do anything to stop him.
 * After being told to delay him for a few seconds, and remembering Sir Nighteye's words, Lemillion moons Tomura, distracting him for long enough to open the electromagnetic barrier, allowing Deku to re-enter the battle.
 * Deku goes into a state of shock upon seeing Dynamight and all the other Heroes' comatose bodies, causing his emotions and Quirks to erupt out of control, which "Tomura" attempts to take advantage of to attack him.
 * Lemillion is able to calm Deku down by telling him everyone is still alive and get him back to his senses.
 * Deku confronts "All For One", asking if Tomura is still in there.
 * He claims that the original Tomura is no more, now that he and All For One have merged into a new being, with All For One mainly in control, but Lemillion reveals "Tomura's" unstableness, realizing they aren't truly fully merged.
 * Deku uses the Second User's Quirk, Gearshift, to greatly enhance his speed, boosting his power to 120%, greatly overwhelming "Tomura".
 * It is revealed that in the past, the Second User's Meta Ability was only powerful enough to control the trajectory of small objects.
 * We see the conclusion of his battle with All For One, where the villain is shown crying.
 * Deku utilizes the power of all the Quirks of One For All together to overwhelm "Tomura", and execute his ultimate attacks, causing "Tomura" to increasingly swell up.
 * One For All and All For One begin to resonate with each other as a result of the events of the battles, allowing each side to see within the other.
 * Spinner continues his assault on Central Hospital.
 * It is revealed his army consists of remnants of the Paranormal Liberation Front, as well civilians who support their plight, totalling around 15,000 people.
 * They face off against a group of about 200 Heroes and Police Force.
 * Kurogiri is also revealed to be considered the High-End Nomu closest to a masterpiece.
 * The heteromorph army overpowers the group defending the Hospital, decrying the Heroes and supporting Spinner as their symbol.
 * Spinner, however, has become more mentally unstable, due to the multiple Quirks within him.
 * Tentacole confronts Spinner regarding the innocents in the Hospital, battling him when he claims to not care.
 * Information about Mezo's past is revealed.
 * His face and scars under the mask are shown for the first time.
 * He grew up in a town that would beat and abuse him everytime he interacted with others, due to his appearance.
 * Him using his Quirk to rescue a girl in a rushing river made him proud of his appearance, and desire to be a hero.
 * Information about Anima is revealed.
 * The spike on his head and his Anivoice Quirk came from his mother, who told him that one day his spike will grow which will allow him to beam his thoughts and feelings to animals that are even farther away.
 * She also faced predjudice due to her looks, but was defended by his father, telling her son to follow in his footsteps and get mad at people who laugh at those he loves.
 * Tentacole and Anima both undergo transformations to fight their opponents, with the former pleading to Spinner and the crowd not to misplace their anger and resentment.
 * Spinner doesn't listen and breaks into Central Hospital, barreling towards Kurogiri's location, with the intention of using All For One or Tomura's voice to awaken him.
 * However when he arrives, he finds himself alone with none of the army following him.
 * The heteromorphs cease their assault as many of their convictions start to waver, not wanting to hurt the innocents inside.
 * Present Mic appears behind Spinner, as the two of them shout toward Oboro and Kurogiri respectively.
 * Mic destroys Spinner's recording device, and prepares to finish off Kurogiri to prevent him from escaping.
 * Using his memories of Tomura to spur him on, Spinner uses his last strength to give Kurogiri Tomura's remaining stuffed hand, telling him to save him.
 * "Kurogiri" breaks free from his restraints, with Oboro's face partially appearing, and begins to start warping the villains around the country.
 * He warps himself and Present Mic to Eraser Head's location on the U.A. Flying Fortress.
 * An increasingly rampaging Dabi is warped from Kamino to Gunga, to finally confront Endeavor again.
 * Himiko, who had managed to ingest Twice's blood allowing her to transform into him, is also warped to Gunga, intending to seek revenge on Hawks.
 * It is revealed a massive inferno cloud has formed over Japan as a result of the massive heat caused by Shoto, Dabi, and Endeavor's fires, and is continuing to spread.
 * The combined might of Dabi's fire and the Twice Doubles begin to overwhelm the Heroes at Gunga, forcing them to retreat.
 * Hawks prevents All For One from escaping to reach Tomura, while Endeavor prepares to face Dabi.
 * Eraser Head's group is attacked by Twice Doubles, causing Phantom Thief to undo his Erasure on Tomura.
 * Tomura unleashes a massive shockwave that destroys most of the U.A. Fortress, preventing further repair.
 * At the same time, Skeptic successfully hacks into the U.A. system, gaining control and preparing to plummet it into the ground.
 * Skeptic's system is then hacked into by La Brava, who is working alongside the Police Force.
 * Skeptic attempts to flee the hideout but is cornered by several Heroes.
 * While La Brava attempts to regain control of U.A., Gentle returns and uses his Quirk to save U.A. and prevent it from falling.
 * It is revealed after the Assault on Tartarus, he was responsible for single-handedly preventing anyone from escaping his prison, asking to be reunited with La Brava and wanting to repay Deku.
 * They also receive assistance from Lady Nagant, who wanting to also repay Deku's kindness, shoots Tomura several times from Central Hospital, despite the damage to her body.
 * Tomura's original personality regains complete control of his body, re-emerging from outside his own body as All For One's control grows weaker.
 * He criticizes All For One's attempts to manipulate him and further declares his intentions to destroy society as retribution for creating the household he grew up in.
 * All For One attempts to force Kurogiri to warp him to his main self, but the conflicting feelings of both him and Oboro prevent this from happening.
 * Deku tosses Tomura outside U.A. as they prepare to battle on the ground below.
 * La Brava successfully restarts U.A.'s flight system, preventing it from falling any further.
 * She also hacks into the phones of the Business Course students, who are currently filming the battle as posterity to help repair relations between Heroes and the public, and begins broadcasting their feed over the internet.
 * Eraser Head and Present Mic are knocked off the observation deck by the Twice Doubles, but are "saved" by "Kurogiri", who warps them all away.
 * All For One reveals his and Tomura's fusion was not intentional and that he just needs Tomura to fully absorb his Quirk Factor for him to take full control.
 * All For One seemingly kills Hawks, but it is actually an illusion created by Camie Utsushimi, who arrives alongside the rest of Shiketsu High School to provide assistance in the battle.
 * Seiji's father is revealed to have been a guard killed by All For One during the Assault on Tartarus.
 * The Heroes and their backup unleash all of their attacks on All For One, who is unable to steal their Quirks unless he directly touches them.
 * Taking advantage of this fact, as well as the darkness around them, Tsukuyomi unleashes Dark Shadow at its full power to pummel All For One into the ground.
 * Himiko-Twice, meanwhile, creates Doubles of Tomura, Dabi, and All For One, but they all fail to use their Quirks.
 * Uravity manages to located the real Himiko, spotting her crying over her failure to become just like Twice.
 * All For One breaks free of Dark Shadow's grip, now looking younger as a result of the drug's Rewind effect, and attempts to flee once again.
 * Gigantomachia joins the battle, suddenly attacking his master, now under the command of Hitoshi.
 * During the events of the battle in Jaku, the Paranormal Liberation Front uses a recording device with All For One's voice to awaken Gigantomachia, who breaks free from his containment.
 * Pinky uses her Acid Quirk at maximum output to save Mt. Lady from Gigantomachia, and Hitoshi from the Sludge Villain.
 * Hitoshi brainwashes Gigantomachia, commanding him to defeat the rest of the remaining threats, including Midnight's killer, before heading to Gunga to deal with All For One.
 * All For One breaks the Brainwashing on Gigantomachia, however the beast still continues to fight his master, feeling betrayed over being abandoned by him back in the War.
 * Several news reporters fly above the skies to report in on the battle, inspired to help inform the world that the Heroes of Japan are still fighting after seeing the live broadcast of Deku and Tomura's fight.
 * All For One manages to triumph against the Heroes and Gigantomachia, as the younger his body gets, the stronger he becomes and the more impulsive his emotions get, as a result of merging with some of Tomura's hatred.
 * He steals Hawks' Fierce Wings Quirk, and attempts to steal Dark Shadow, but Grape Juice begs him not to, causing him to change his mind and leave the battlefield.
 * One of the evacuation facilities travelling beneath U.A. and Shiketsu is disrupted due to All For One's spies, which causes it to break apart.
 * It is revealed that Dabi has been internalizing most of his heat, and as a result, within ten minutes he will explode, cremating everything around him within 5 kilometres.
 * It is also revealed that the disrupted evacuation blocks are in Gunga and within the blast radius.
 * The civilians rush to flee to the surface, with Death Arms coming out of retirement to aid in saving them.
 * Shoto and Ingenium are tasked by All Might to head to Gunga to stop Dabi and save the civilians.
 * Stain is shown in Kamino with them, observing their heroism.
 * All Might faces off against the increasingly unstable All For One alone, aided by support items from his car.

Characters Introduced

 * Kunieda
 * Maina Furasu
 * Futo Nagashira

Quirks Introduced

 * Unnamed Lie Detector Quirk: An unnamed Quirk used by All For One that detects malicious intent. This Quirk was stolen from Naomasa Tsukauchi's ancestor.
 * Unnamed Electric Arrow Quirk: Yuyu Haya's Quirk lets her discharge electricity from her hands in the shape of an arrow.
 * Hardflame Fan: One of All For One's Quirks that allows him to create a wall of fire which can be used for defense.
 * Gearshift: The Quirk of the Second User of One For All. This Quirk lets the user alter the speeds at which things accelerate through space, without abiding by the laws of inertia.
 * Body Bulk: One of Spinner's Quirks given to him by All For One, allowing him to bulk up his body to gigantic size.
 * Scalemail: One of Spinner's Quirks given to him by All For One, allowing him to cover his body in scales, giving him increased strength and defense.

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