USJ Villain Attack

Lore & Background

The Unforeseen Simulation Joint was designed by U.A. High School to simulate disaster rescue scenarios, featuring artificial environments like the tsunami zone and fire district. However, its isolation and lack of immediate backup made it a perfect trap for the League of Villains. The group, seeking to eliminate All Might's influence by killing him, utilized Kurogiri's warp gate ability to bypass the school's security entirely, dropping dozens of minions into the facility before the students could react.

The attack exposed a critical vulnerability in hero society: the reliance on specific individuals like All Might for protection. When Shota Aizawa attempted to hold the line alone, his quirk was neutralized by the sheer number of foes and his own physical limitations; he fought until his eyes dried out from excessive Erasure use, rendering him unable to continue. Overwhelmed by the Nomu, Aizawa was incapacitated on-site and did not successfully withdraw from the battlefield until rescued later. The situation worsened significantly once Thirteen was incapacitated, leaving the students without a key faculty member's support. The battle only turned around when All Might arrived after being contacted by U.A. High School (Nezu/Present Mic) regarding the security breach alarm. This event proved that even in a safe zone, heroes must be prepared for the worst-case scenario at any moment.

In Their Own Story

The artificial sky above the USJ darkened unnaturally as purple mist coalesced into a portal, vomiting forth a horde of grotesque villains. Before Class 1-A could process the intrusion, Shigaraki Tomura's voice echoed through the silence, demanding the boy with One For All. Panic fractured the group; some fled to the water zone, others scrambled for cover behind crumbling concrete pillars. Aizawa stood firm, his scarf whipping in the wind as he erased quirks one by one, but eyes glowed red all around him. The air smelled of ozone and fear. Then, a massive explosion rocked the ship zone, followed by the roar of a true hero arriving to turn the tide, leaving the students to realize that their classroom training had just ended.

Reader's Guide

The incident begins when Kurogiri transports the League of Villains directly into the USJ, splitting Class 1-A into three groups across different disaster zones. Shigaraki targets Izuku Midoriya in the central plaza, while Nomu is deployed to counter All Might's arrival. In the ship zone, students struggle against water-based villains until Tsuyu Asui and Minoru Mineta coordinate a rescue. Simultaneously, Denki Kaminari and Kyoka Jiro are separated from the group, forcing them to rely on improvisation.

Shota Aizawa engages the main force alone, systematically neutralizing threats with his Erasure quirk until he is overwhelmed by Nomu's regeneration and physical superiority. The situation escalates when All Might arrives, engaging Nomu in a brutal fight that showcases the villain's ability to absorb damage. Meanwhile, Kurogiri attempts to flee with Shigaraki but is intercepted by the arriving rescue team led by Thirteen.

The climax sees All Might landing a decisive blow on Nomu, causing the creature to collapse and allowing the villains to retreat through a warp gate. The aftermath reveals the true extent of the threat posed by All For One, as Nomu's existence implies advanced villainous experimentation. This event forces U.A. High to increase security measures and marks the beginning of Class 1-A's transition from academic students to active combatants.

Did You Know?

• The attack was specifically designed to test whether Izuku Midoriya possessed One For All, though the League's primary goal was actually to assassinate All Might.
• Nomu was created as a biological weapon with multiple quirks, including shock absorption and super regeneration, specifically to counter All Might.
• Shota Aizawa suffered severe injuries during the fight but was forced to retreat only after his quirk's physical limitation (dry eyes) rendered him unable to continue, rather than by choice.
• This event is the first time the League of Villains publicly reveals their existence to the wider hero community.

The Academy Environment

U.A. High School stands as a premier institution for hero training, situated on a forested hill near Shizuoka Prefecture. The academy offers four distinct academic tracks: Hero, General, Support, and Management, with the latter three serving those not initially placed in the primary course. Faculty members possess significant autonomy, teaching according to their own methods rather than traditional school standards. This freedom extends to disciplinary actions; instructors hold the authority to expel students for minor infractions, though expelled individuals may re-enroll later despite permanent record marks. The environment fosters intense competition and unique pedagogical styles designed to prepare students for a world where over eighty percent of the population possesses superpowers known as Quirks. This high-stakes atmosphere sets the stage for future conflicts, where the safety of these young trainees is frequently compromised by external threats targeting their education and development within this specialized ecosystem.

The Protagonist's Burden

Izuku Midoriya serves as the central protagonist, initially characterized as a timid teenager without powers who dreams of heroism. Despite early insecurity caused by childhood bullying from Bakugo, he develops a diligent analytical mind through extensive note-taking on hero capabilities. His dedication leads All Might to select him as the ninth inheritor of One For All, a transferable ability granting immense physical attributes. Over time, Izuku manifests a psychic connection with past users and inherits their abilities. As villainous threats escalate, specifically regarding Shigaraki's capacity to steal this power, Midoriya makes the difficult decision to leave U.A. High School. He prioritizes protecting his classmates from danger by hunting villains independently, informing top heroes of One For All's existence to facilitate a coordinated effort against the growing criminal organization threatening their world and peace.

The Rival's Resolve

Katsuki Bakugo operates as Midoriya's volatile childhood friend and archrival, possessing an Explosion Quirk that allows him to ignite nitroglycerin-like sweat. His personality is defined by arrogance and aggression, stemming from early praise for his natural talents. While historically disrespectful toward Izuku, their relationship evolves through shared combat experiences during exams and trials. Bakugo's unchecked pride often leads to setbacks, yet he eventually cares deeply for Midoriya's safety after learning the truth about One For All. In later conflicts involving Shigaraki, Bakugo sustains fatal injuries when his heart is pierced but is revived by Best Jeanist and Edgeshot. This resurrection allows him to continue fighting alongside Izuku. He ultimately apologizes for past behavior, calling Midoriya by his real name before engaging in the final war against the villainous forces threatening their society.

The Villainous Threat

The overarching conflict involves villains opposing professional heroes, driven by figures like All For One and his apprentice Tomura Shigaraki. These antagonists pose a direct threat to the hero society established through Quirk usage. Midoriya eventually learns that Shigaraki has grown powerful enough to steal One For All, prompting drastic measures from the protagonist. The narrative highlights how villain attacks interrupt school activities and internships, forcing students into dangerous situations prematurely. Bakugo is assigned specific missions during the Final War arc, utilizing developed moves like Cluster against enemies. The stakes involve life and death, exemplified by Edgeshot sacrificing his life to revive Bakugo. These events underscore the high cost of heroism in a world where eighty percent possess powers, creating a landscape where training academies become battlegrounds for the future safety of the population against organized criminal elements seeking dominance.