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Fanfic / Hero Class Civil Warfare

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Hero Class Civil Warfare is a fanfic of My Hero Academia written by RogueDruid (Icarius51). In it, the first-year students of U.A are participating in a class activity. There are two teams. One who will be playing the role of heroes, led by "Paragon" and the other playing the role of villains, led by "Kingpin."

Katsuki Bakugou is acting as Paragon, while Kingpin is the role of Izuku Midoriya.

Has a sequel titled Hero Class Danger Days, which is about the immediate aftermath and lessons learned of the exercise, and is currently incomplete. Another sequel, Intersection, is a (non-canon to the fic) crossover between this story and the canon universe, in which the Civil War exercise was removed from the curriculum of UA decades previously. It is complete as of May 2020.


For more fics by the same author, see Horizon: Star Driven and Locked In Digital.

Tropes that feature are:

  • Adaptational Dumbass: Unlike her canon counterpart who is revealed in the manga to be a recommendation student and a skilled strategist, Setsuna Tokage is careless enough to try switching sides without consulting the rules to see if she can pull it off. And afterward, she's under a hypnotic suggestion to keep her from thinking of doing so.
  • Adaptational Wimp: Manga Fukidashi's Quirk is practically identical to how it has been revealed in the manga after the fic's completion. But, he's much weaker here, even if he puts some valiant resistance before being "killed." If the strength of his onomatopeias was like in canon, he might have given the villains a harder time.
  • All According to Plan: Midoriya has written out a playbook which he gave to Aizawa, which shows how he expects things to go. Except for when Todoroki took command, Izuku has predicted everything the Heroes have done, causing Bakugou to begin doubting himself.
  • Autobots, Rock Out!:
    • When Izuku heads to battle to cover the other Villains' escape on the second day, he asks Mei for some boss fight music, as he feels it's about to be very appropriate. As he descends on the heroes, the city's PA system begins the opening riff of Welcome to the Jungle.
    • After the test, the Villains celebrate with "fireworks": blowing up the tower that was their main headquarters and all of their back up hideouts and locations around the fake city. It's noted that they set the explosions to music, though it's not mentioned what kind.
  • Awesomeness by Analysis:
    • Midoriya uses his skill in analyzing Quirks to use his team's abilities to their advantage. Like introducing Momo to Mei Hatsume.
    • Todoroki identifies a common trend in the 'crimes' the villain team has committed, when he notices that Bakugou has lost the patch that was on his uniform and considered why Midoriya would take it.
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  • Ax-Crazy: Sen is giving this impression during the fight at the tower.
  • Badass in a Nice Suit: The Villain Team dresses to kill throughout the exercise. It helps them to feel more connected to their teammates and helps support their specific Quirks.
  • Bad Boss: Bakugou's belligerent attitude translates to acting like a Drill Sergeant Nasty to all of the Heroes he's supposed to be leading and a serious lack of management skills otherwise. He was so bad as a boss that one of the Heroes tried to change sides and the remainder were extremely demoralized long before the exam started where pretty much nothing went right for them.
  • Batman Gambit:
    • Momo and Jirou specifically state they're joining the Hero Team so that Mineta will join that team when, in reality, they'll be going to the opposing team. This ruse weakens the Heroes' side and prevents Mineta from being able to grope them.
    • A major part of Izuku's success stems from the fact that Bakugou is in command of the other team, and he knows how Kacchan thinks very, very well. This information allows him to work out a strategy based on his predictions of how Bakugou will think, which works perfectly up until Shoto seizes control of the Hero Team.
    • Word of God confirms that this was how they got Mineta expelled as well. They engineered situations where he could either act as his usual and get caught, or be better.
  • Becoming the Mask: Intentionally averted by Izuku, invoked by Nedzu's Secret Test of Character, and downplayed by the Villain team post-game.
    • Izuku asked Shinsou to join his team specifically because Shinsou hated being thought of as a villain, and so Izuku felt he could trust Shinsou to snap him out of it if he went too far as Kingpin.
    • The fifteenth objective—for the villains to "kill" their own Kingpin—deliberately challenges the players on this. As it's the very last objective only discovered if the villain team is really successful at their villainy, it acts as a check on the villain team's mental state. If anyone too influencial on the team got too into their role, took the betrayals too seriously and the situation too personally, and forgot this was just a war game whose team objectives they should want to win, the Skewed Priorities would collapse the team into in-fighting and/or prevent them from successfully completing the game.
    • Izuku's team exhibits a downplayed version of this; they're initially infuriated by the fifteenth objective out of loyalty to him and a sense that this is extremely unfair after all their successful efforts to keep everyone on the team "alive," but Izuku keeps them grounded and they go through with "assassinating" him anyways. Afterwards, they're initially bitter and the entire team visits Izuku in the hospital while distinctly upset, but they cheer up after self-questioning why they're "acting like somebody died" when their team claimed a perfect victory and nothing bad actually happened.
  • Beneath the Mask: It takes a lot of character-acting with a tiny sprinkle of willing Mind Control for the Villain Team to stay within character for the civil war.
  • Benevolent Boss: Ironic, given his alignment in the game, but Izuku proves to be great at team management, not only with boosting his team's skills but also morale. Izuku spends the first night in the game cooking a meal for them, giving them time to relax, copious resources, and positive reinforcement alongside constructive criticism. He also had the team spend the week before the game getting used to each other on an interpersonal level and doing group activities together. He further entrusts and shares responsibilities and roles among the team, encouraging their individual strengths and contributions in a show of faith for their skills, all of which encourages them to reciprocate. Izuku's leadership and team building strategies work so well that the group as a whole returns the favor by planning a group spa trip the day before the game, and all stay close friends after their victory.
  • Beware the Nice Ones: The premise is Midoriya using his analytical skills as a villain. The blurb sums it up best; Three days for Izuku Midoriya to show why they should be glad he's not a villain.
  • Big Bad: Deku as Kingpin.
  • Brand X: Invoked by the villains. "Hatsume Industries" has shown up a few times.
  • Brainwashed and Crazy: Shinsou does this a few times to Heroes using his Quirk. Katsuki winds up jumping out a window, although his Quirk allows him to blast his way back in.
  • Butt-Monkey: Mineta is in his most despicable pervert mode, to the point Momo and Kyoka rather go to the Villains to not have him in the same team. Mineta is also the first to be "killed" in the exercise, to the cheering of all the girls on the Villain side. Later, when Kaminari "dies" as well and reaches a resting area, he finds Mineta glued to the wall after getting into some argument with Bondo.
  • Cerebus Syndrome: The villains blowing up the bank in chapter 5 is the point where everyone realizes the Villain Team is taking this game much more seriously than the Hero Team—and most of the UA faculty-were prepared for.
  • Chekhov's Gun: The hat that Kingpin wore in the first chapter comes in handy during his fight against Paragon in Chapter 12.
  • Code Name: The Villain Team go by the following names:
    • Kingpin (Midoriya)
    • Con Man (Shinsou)
    • Hacker (Hatsume)
    • Assault (Mezou)
    • Blackout (Kuroiro)
    • Nightmare (Tokoyami)
    • Pirate Radio (Jirou)
    • Forgery (Yaoyorozu)
    • Larceny (Monoma)
    • Hold Up (Kaibara)
    • Graffiti (Awase)
    • Smuggler (Honenuki)
    • Sleight (Itsuka)
    • Animal (Kouda)
    • Drug-Runner (Ashido)
    • Sparkle (Aoyama)
    • Lift (Yanagi)
    • Extortion (Tokage)
  • Competence Porn: Izuku's planning and management skills are put front and centre here, showing how a team filled with a disparate set of powers can be effective, as opposed to a poorly-led team that banks on winning fights with raw brute force.
  • Curb-Stomp Battle: This exercise is usually one for the Heroes, as the villain team usually outnumbered. But between Izuku's superior planning skills and Bakugou's terrible leadership skills, it ends up the other way this time.
  • Deadpan Snarker: Izuku develops into this when creating his villain role. One particular example is just after the Hero Team arrives after Izuku has promptly kicked their leader's ass:
    Izuku: Well. Six on one. Seven, if Bakugou still counts, but considering how soaked he is, gonna say not.
    Bakugou: F-FUCK OFF DEKU (falls into a coughing fit, holding his bruised throat)
    Izuku: And the bruised throat, can’t forget that.
  • Destination Defenestration: Shinsou uses his Quirk to get Kirishima, Tetsu, and Bakugou to throw themselves out the window.
  • Determinator: Todoroki chases a villain group for three blocks until he gets blinded by a flashbang and loses them.
  • Double Agent: "Extortion" is the Code Name assigned to the classmate playing this role.
  • Drill Sergeant Nasty: Bakugou's command style, which the teachers note is useful for training but not in the field.
  • Fauxshadowing: One of the objectives is "Kill the Snitch." At first, this may seem related to Extortion, but the snitch in question is a civil bot that looks like Eraserhead. Of course, that doesn't stop Midoriya from eliminating Extortion either.
  • Female Gaze: Hatsume can't help but notice Midoriya's muscles while he's sleeping. She even decides to take a few pictures.
  • Fixing the Game: The random selection for team leaders wasn't random. Aizawa admits it when Midoriya asks. Aizawa privately reveals that the rigging was to try and lessen Bakugou's and Midoriya's bad habits during group dynamics. Midoriya managed to improve and thrive, while Bakugou was such a bad leader that Todoroki mutinied and seized control of the Heroes' operation.
  • Foreshadowing: There's a bit of it in regards to Extortion being unable to switch sides.
    • Momo and Jirou's Batman Gambit to put Mineta on the Hero Team would've utterly failed if he was able to switch sides.
    • In Chapter 8, when one of the other teachers asks Nedzu if a double agent is allowed, he only says that "the rules didn't say no." However, he then says that the rules may need refining after this year. This is an early hint that while a double agent is allowed, it doesn't mean they can actually switch sides.
    • While under the influence in Chapter 13, Monoma says, "the plan for Extortion is really, really, really funny."
  • Flashback B-Plot: The story is split between the "Present" (The Civil War) and the "Past" (the 7 days leading up to the simulation through mostly the villain team's perspective) with the "Present" further having a subplot of its own (the UA staff's perspective of the War). The former two are split between most chapters, while the latter receives three full chapters to itself.
  • Glad He's on Our Side: The idea of the story is showing how Izuku would be terrifying as a villain. And that everyone should be very glad that someone with his analytical skills never went down that path.
  • Heroic Sacrifice: Neito sacrifices himself to buy time for Midoriya to escape. Turns out, it was all a part of Izuku's plan to infiltrate the heroes' base.
  • Kill It with Fire: Ibara uses a nearby park to enhance her abilities… until the place is firebombed and burnt.
  • I Need a Freaking Drink: Vlad King holds this opinion regarding Sen and Awase.
  • Invincible Villain: Midoriya is pretty much this. He easily predicts every move the heroes make; when things go wrong, he either adapts to the situation or else it was All According to Plan. As of chapter 23, Bakugou has lost a fair number of his team, had one of his members turn traitor, and lost the objectives he was guarding. Midoriya has acquired all but two of his objectives, regained the Villian team's captured member, and effectively gotten away with waltzing through the heroes' base.
  • It's Personal: Downplayed, but Nedzu believes the reason Aizawa has been so lenient and helpful towards the villains, is that Aizawa is still resentful for losing as the Villain leader in his second year.
  • It's Quiet… Too Quiet: Bakugou is aware that there is something off after the museum heist but can't put his finger on what.
  • Logical Weakness: As his explosions are fueled by the nitroglycerin that he sweats from his palms. Bakugou is weakened by rain (or rather, the sprinkler system), which not only cools him off but also dilutes his existing sweat.
  • Loophole Abuse:
    • Midoriya regarding the rules for the exercise. For example, the students can't get help from the teachers or staff. However, it doesn't say anything about getting help from students in other departments, like Hatsume Mei from the support department or Shinsou Hitoshi from general education, nor does it prevent them from getting help from teachers for matters completely unrelated to the Civil War.
    • While teams can't officially take in defectors from the other side as teammates, that doesn't disallow them from exploiting the ignorance of would-be defectors who haven't read the rules and think they can.
    • The interludes justify them getting away with this by making clear that the exercise was, in part, supposed to encourage adaptation, creative thinking, and innovative tactical solutions within the worded parameters of the rules, so the teachers are actually pleased (if slightly disturbed) by the Villains' prepared work-arounds. The only loophole the faculty consider a problem that needs to be closed in future games is the plot around Extortion; the rest of the loophole abuse is practically encouraged.
  • Manipulative Bastard: Midoriya manipulates both friend and foe alike during the game, but special mention goes to his handling of Extortion.
  • Meaningful Name: Everyone on the Villain Team has a Code Name that is some sort of crime, criminal, or otherwise "evil"-sounding word related to their powers/skills. Such as Extortion, who's a Double Agent, or Hacker (Mei), who's their tech specialist.
  • Method Acting: In-Universe the bread and butter of the Villain Team. Izuku even studied several famous fictional supervillains to understand what made them so compelling. Izuku even has the Villain team spend time together before the exercise so they would get used to seeing themselves as a team. He even has Momo and Mei make all of the Villian Team specialized suits and dresses so that they could better commit to their roles.
  • Mistreatment-Induced Betrayal: Extortion decides to switch sides because of Katsuki's methods and his insulting rants aimed at his team.
  • Morality Chain: Shinsou's actual role within the villain team is to act as a leash to Izuku and the rest of the Villain Team to prevent from getting Lost in Character. Ironically, the inverse ends up occurring when Shinsou is told about the fifteenth objective.
  • More Dakka: One of Mei's babies is a four-barreled paintball Gatling Gun, with 7500 rounds of ammo for each muzzle. Mineta gets hosed down with it.
    Mei: You have about five minutes of "fuck that one thing in particular." Make them count.
  • More Than Mind Control: While Setsuna didn't know that she was a Manchurian Agent, it helped that she had already hated Bakugou and joined the Villain Team as a double agent at her own volition.
  • Munchkin: Midoriya, big time. His bending the rules to recruit Mei - and using Momo to speed up the manufacture of subcomponents (and Neito to copy her power to speed up the process further) - causes his team to have a big secret edge. And that's only the start of his Loophole Abuse.
  • Mundane Utility: Shinsou uses his quirk to help his fellow Villain teammates stay in-character or to make the overworked Izuku take naps.
  • My Greatest Second Chance: The motivation behind some members joining the villains' side instead of the heroes' is because they didn't do well during either the Sports Festival or their internships.
  • My Master, Right or Wrong: A classic case of how this can backfire. Aizawa notes that one of the flaws of the hero team was that they spent too long just mindlessly obeying Bakugo's leadership as the 'Paragon.' If they had shown greater initiative and spoken up against his decisions, things might not have gone as badly for them. Uraraka notes that instead all Izuku had to do was come up with plans solely to stymie someone he had known for years and years. Things only improve for them after Shouto pulls a mutiny, and by then they have suffered serious losses.
  • Myopic Architecture: Mei refers to it as the Invincible Door Fallacy: Shouji gets around a heavily reinforced door by breaking through the wall next to it.
  • Oh, Crap!:
    • Played for Laughs when Iida has this reaction upon finding out that Mei Hatsume is on the villains' side.
    • Most of the UA staff have this reaction to Midoriya blowing up the bank.
    • Todoroki has this reaction when he remembers Tokoyami's Quirk is stronger, the darker his surroundings, and Todoroki is facing him just after midnight.
    • Extortion has this after they are revealed to Katsuki or rather, they have this reaction when Katsuki informs them that switching sides is against the rules.
    • Kingpin has this reaction in chapter 26 when he realizes that every single hero is right outside the villain base.
  • Out-of-Character Moment: Monoma previously didn't like anyone in 1-A, so it was a surprise to his homeroom teacher Vlad King that Monoma sacrificed himself for Izuku of 1-A during the Museum Heist.
  • Pride:
    • This is the partial reason why Todoroki failed to capture a villain group (the other being Strong, but Unskilled below). Aware of the threat Izuku was as the Kingpin, he immediately decides not to underestimate him, telling Iida and Uraraka to do the same. Unfortunately, this causes him to dismiss the members of the villain team, underestimating them and resulting in him being humiliated. He swears not to do this again.
    • This is also Bakugou's flaw, allowing his ego and dismissal of Izuku to blind him from realizing that he was being manipulated by Izuku and lowering the morale of the hero team to the point that one hero member became a Double Agent.
  • Punny Name: Itsuka's Code Name during the exercise is Sleight, as in sleight of hand. Likewise, Mina (whose power is Hollywood Acid) has the Code Name of "Drug Runner".
  • Refuge in Audacity: The location of the villain base is so outrageous that the trope was name-dropped. Not only is it right underneath the fourteenth objective, it's less than two blocks away from the hero base. This comes to bite them in the ass when the heroes realize what they're doing.
  • Rewarded as a Traitor Deserves: Extortion finds out too late that switching sides is against the rules. She gets shot for her troubles.
  • The Scapegoat: Post-Civil War, the other members of the Hero team blame Bakugou for the Heroes' defeat. While Uraraka had a point that most of Izuku's plan centered on predicting Bakugou's actions, the narrative also points out that the Heroes didn't put in nearly as much effort as the Villains did, and didn't take the exercise seriously until it was too late.
  • Secret Test of Character: The 15th objective: 'Kill the Kingpin', delivered via phone call on the third day (presumably only if the other 14 objectives are acquired). Because it is possible for students on the villain team to get too far in-character, this final objective is included to test their morality, determination, loyalty, and trust. Including Izuku's team, only four villain teams have ever reached this test. The other three all failed in the aftermath.
    • The first such group flew into a rage when the objective was revealed and became so loud that the hero team found and apprehended them all.
    • The second team's Kingpin took the call alone and misinterpreted it as meaning he had to surrender to the hero team, causing his team to lose. His team was so angry at him afterward that he eventually dropped out of UA.
    • The third team to reach the final objective 31 years ago fractured, with half trying to defend the Kingpin and the other half trying to eliminate him. This fight lasted until one support member set off a (fake) bomb and 'killed' the whole team.
    • Izuku's team were angry about the objective, but in the end, not only calmed down, but Izuku declared that they'd go through with it. While most of the Villain team left with the other Objectives, Izuku staged a very public 'assassination' of himself while meeting with the six remaining heroes. Thus he fulfilled his personal 'bet' against Endeavour (holder of the previous record, but who never got to the final objective) to finish with a perfect Villain score.
  • Shoo Out the Clowns: Unsurprisingly, Mineta is "killed off", shortly after Cerebus Syndrome kicks in.
  • Spanner in the Works: After winning objective after objective due to getting Bakugou and the Hero Team to unknowingly follow their plans, Todoroki nearly derails the Villain Team when he takes charge due to Bakugou's incompetence as a leader.
  • Strong, but Unskilled: Todoroki's partial reasoning as to why he failed to capture a villain group. While both aspects of his Quirk allow him to utilize powerful Elemental Powers, he does not have enough experience with switching between them, and the villains know this, preventing him from using his more powerful attacks and forcing him onto the defensive until he eventually loses them.
  • Storming the Castle: The last moment the Heroes pose a credible threat to the villains' plans is when they, towards the end of the game, locate and launch an all-out assault on the villains' headquarters—the tallest building in the city. They end up provoking a boss battle and losing, due to the villains' sheer efficiency and teamwork even in a crisis.
  • Take a Third Option: Todoroki has trapped one of the villain groups with a glacier and has sent the rest of his group down the road so the villains can either allow Todoroki to arrest them or turn the other way and get caught by his group. The villains instead decide to drive through the glacier thanks to Tokoyami's Dark Shadow.
  • Talking with Signs: The second observers' chapter shows that the villains have done this with the teachers a few times. Although it is limited to informing them that action is starting again or that they're taking time off to rest.
  • Villainous Underdog: The villains are expected to be at a disadvantage by the staff. Aizawa notes that the last time a Kingpin won was when he was in his first year (by someone with a Fire Quirk who now works for Endeavour) and that no one wants to be on the villain team, implying that Heroes usually win because they have more people and thus more options.
  • Who's Laughing Now?: Izuku's larger motivation in his role as the Kingpin of the Civil War exercise is to prepare his classmates for the horrors of real-life villains in a safe environment, and to beat Endeavour's score. Although a small part of him is happy to get the chance for some revenge on Bakugou after a decade of bullying by using all the knowledge Izuku has gathered on him over the years.
  • Xanatos Speed Chess: The Villain Team in general, thanks to Izuku in particular. He made sure all of them knew what was expected of them for the exercise, up to and including exactly which members of the hero team they could or couldn't beat in a straight fight. These preparations included stacking the deck in their favor with partners and gear, pre-planning escape routes, booby-trapping the ever-loving [bleep] out of their hideouts, and having fallback spots already set up in advance. Thus, even when the Villain team is caught dead to rights by Shoto's siege of their base in chapter 26, they are able to quickly put together a plan of action to not only get out of there with all members and acquired objectives in their possession, but also get the next-to-last objective on their way out.

Danger Days contains examples of:

  • Becoming the Mask: Regardless of the assignment being over, the villain team still call themselves and each other by their codenames in person and the group chat.
  • Blessed with Suck: Bakugou has to put neutralizer on his clothes and sheets when he sweats on them, as it turns the clothes into an explosive.
  • Brainwashed and Crazy: Seemingly invoked. Izuku tells his classmates that Shinsou brainwashed him to stay in character as a villain in fear of his classmates, judging him for how he scared them as the Kingpin. However, immediately afterward, it's revealed that Shinsou didn't brainwash them, and Izuku merely implied it out of panic.
  • Breaking the Fellowship: A side effect of Crossing the Burnt Bridge, most of Izuku's pre-War relationships are heavily strained due to his actions as the Kingpin. As such, he less often hangs out with Uraraka, Iida, and Todoroki, and more often hangs out with Momo, Mei, and Shinsou, all of whom he later enters a polyamorous relationship with.
  • Crossing the Burnt Bridge: Part of the aftermath of the inter-class civil war is the now-changed class dynamics and friendships after the Villain Team had thoroughly curb-stomped the Hero Team. Izuku struggles to keep his previous reputation as the class sweetheart and paragon after he terrified and defeated his friends and classmates as the Kingpin.
  • Fire-Forged Friends: Fighting through the enormous disadvantages of fighting on the villain team, training together, and fighting alongside each other in the civil war exercise, made the Villain Team become friends despite their previous hatred or indifference towards each other.
  • Gone Horribly Right: Izuku and the villain team took the task exceptionally seriously in order to showcase their skills and overtake the privileged Hero Team. They all did such an excellent job as villains that their classmates are now terrified of them.
  • He Cleans Up Nicely: Monoma and Aoyama enact this on Izuku in the form of a flash makeover as payback for putting Monoma through "Plan Tear-Away 3". The result (which takes them only 20 seconds) turns Ochako beet-red and earns Izuku wolf-whistles from the whole villain team, as well as eighteen girls and four guys from the other classes.
  • Metaphorically True: Izuku tells his classmates that Shinsou helped him stay in character as a villain through Mind Control. Izuku leaves out that he asked Shinsou to do so and had acted as a villain of his own free will.
  • Mundane Utility: Monoma uses his copy of Shinsou's Mind Control quirk to make Mei clean-up after herself and take a nap after an all-nighter.
  • Once Done, Never Forgotten: During finals, Setsuna is forced to do an extra two essays on rules and regulations due to her failed attempt at a Face–Heel Turn during the Civil War exercise.
  • Ring of Power: Monoma had a ring made for him with copies of his teammates' DNA so he could train and use their quirks as long they are within a certain distance.

Intersection contains examples of:

  • Adaptational Badass: Civil War Izuku shows off the ability to consciously use Blackwhip, along with being more skilled at using One For All, letting him do more damage with less power by focusing it.
  • Becoming the Mask: In the end, Kingpin admits that the villains forgot they were simply performing an exercise.
  • Break Them by Talking: Kingpin seriously unsettles Izuku with a lecture about the foolishness of trying to become a "Symbol of Peace" and mimicking All-Might despite how unsuited they are to his fighting style. Crosses over into Dare to Be Badass when he counters Izuku's claims that the hero system even needs a Symbol of Peace, by telling him to change the system if it's so broken.
    • It's not limited to the villains either. Shinsou tries to crack Kingpin and seriously unsettles the already emotionally fragile, sleep-deprived and overworked 'villain'.
  • Butt-Monkey: Mineta gets it even worse in Intersection: it is revealed that Mineta was expelled at some point before the story, and Shinsou has taken his place in the class. This fact upsets the original Mineta, who resolves to be better and not end up like his counterpart.
  • Cerebus Syndrome: Even more evident in Intersection as soon as the game begins. A large chunk of the heroes is wiped out over the first 24 hours.
  • Covert Pervert: Implied when Forgery mentions that her Quirk Counselor insisted she uses the fat in her breasts to fuel her Quirk only as a last resort.
  • Everyone Calls Him "Barkeep": The Civil War timeline students are all referred to by their villain codenames. Likewise, to keep things from getting confusing (both in-universe and out), all the Civil War timeline teachers are called by their hero names while the ones from canon use their given names.
  • Evil Me Scares Me: More than any of the other canon students, Izuku is disturbed by his Civil War self.
  • Honor Before Reason: Nedzu suggests Izuku isn't using his intellect to figure out Kingpin's plans because he doesn't want to be anything like his other self.
  • Karma Houdini: Despite finding out that Powerhouse suicide baited Kingpin before they entered UA, the faculty can't actually punish him for it as he wasn't a student yet. While they might have rejected him had they known, the most they can do now is make him attend therapy.
  • Kill and Replace: One of the heroes is taken out and replaced by his villain opposite three minutes into the exercise.
  • Meaningful Name: All the students from the Civil War timeline are referred to by their villain Code Name. It is worth noting that the members of the 'Cleanser' branch, at least the ones that didn't already have codenames, tend to have codenames that are not particularly 'villainous'-sounding. For example, CW! Todoroki goes by 'Singularity' and CW! Tenya goes by 'Crusade'.
  • Method Acting: Every member of the villain team was made to come up with not only a villainous persona, but a backstory of what would make them become villains then pretend like those events already happened.
  • My God, What Have I Done?: Aizawa has a moment when he realizes he accidentally further damaged Izuku's poor self-esteem by repeatedly telling him not to be a burden on others.
  • Obvious Rule Patch: When the Civil War exercise is done between Kingpin's and Deku's classes, Kingpin learns that the teachers have gone over all the loopholes he abused the first time and plugged many of them.
  • Oh, Crap!:
    • Both Power Loaders have this reaction at realizing they now have to deal with two Mei Hatsumes.
    • Kingpin has this reaction when he realizes Powerhouse is using his explosions inside a room filled with crates containing vials of his own explosive sweat.
    • Kingpin has another when he's reminded that the teachers are watching and listening to everything during the exercise, meaning they heard how Bakugou had suicide-baited him.
  • Polyamory: Civil War timeline's Izuku is in a relationship with Momo, Mei, and Shinsou.
  • Poor Communication Kills: Aizawa is furious to learn he'd been accidentally sabotaging Izuku's development because he hadn't been informed Izuku had only a few months' experiences with his Quirk, rather than a decade like his classmates.
  • Quit Your Whining: Shinsou eventually calls out Deku for overthinking Kingpin's "villainous" actions and taking them to mean that he's actually turning into a Villain, reminding him that both sides are essentially participating in a War Game scenario, with Kingpin himself having said that his monologues and attacks are supposed to teach his opponents something.
  • Skewed Priorities: Kingpin admits part of why he didn't kill himself as Powerhouse suggested was because if Powerhouse's connection to his suicide got out, it would have ruined his hero career. Powerhouse himself lampshades how fucked up that reasoning is.
  • Status Quo Is God: At the end of Intersection, it is revealed that once the effect of the quirk that transported the alternate UA students and faculty to the canon world ceases and they return to their world, they'll be the only ones to remember the whole experience, while the "host" universe will reset like nothing happened. Among the losses of that, the relationship Izuku and Ochako had just started.
  • "The Reason You Suck" Speech: Kingpin winds up giving one about himself when confronting Bakugo, admitting that he was so obsessed with Quirks and his own lack of one growing up that he never even considered trying to find alternate methods of becoming a Hero without one, despite knowing that several Pro-Heroes often relied on equipment, martial-arts, and tactics to do their jobs.
  • Unstoppable Rage: In the middle of airing their grievances with each other, Powerhouse flips out when he thinks Kingpin planned their conversation to get him expelled and nearly kills them both by using his explosion Quirk when surrounded by crates filled with vials of his sweat.
  • Villain Has a Point: While only a villain for the exercise, Aizawa really hopes that Izuku takes Kingpin's words to heart, if only because Kingpin actually has a sense of self-preservation.
  • Villain Takes an Interest: During the confrontation with Deku, Kingpin mentions that in his world, Bakugou wasn't the only student to be taken to Kamino Ward... All for One wanted Kingpin as well.