After a Twoweek Hiatus by Claim Is Back to His Antics Again

"	The tentacles asked him "what exercise you lot want to be?" and he answered "I want to be weak." A creature that appears helpless, something so ridiculous that you want to just squeeze him to death! Something that tin suss out the vulnerabilities in other creatures with its tentacles, that can protect them, and pb them. That was the animal... no... the instructor... he wanted to become.	"
— Korosensei's goal

Korosensei (殺せんせー , Korosensei ) acts every bit the homeroom teacher of Class iii-E of Kunugigaoka Junior Loftier Schoolhouse, and the secondary protagonist and antihero of Assassination Classroom. He claimed to be responsible for creating the permanent crescent moon, and added that he planned to destroy the earth later on teaching Class 3-E for a twelvemonth.

Prior to being a instructor, he was the assassinator known as "The Reaper".^[2]

Contents

• ane Advent
• two Personality
• 3 Etymology
• 4 History
• 5 Plot
  • 5.ane Introduction: Assassination Time
  • five.two Offset Semester
    • v.ii.i Inspiring his class
    • 5.2.two Cease of Term Fourth dimension
  • 5.3 Assassination Isle Arc
  • 5.4 Second Semester
    • 5.4.1 Continuing to inspire
    • 5.iv.ii Unwanted attention
    • 5.four.iii Nagisa's Time
    • 5.4.four Final Battle with Chairman Asano
    • 5.4.five End of the Semester: Past Time
  • 5.5 Final Semester
    • 5.5.one Division Time: The Civil War of Grade E
    • five.5.2 Renewed Resolve
    • v.five.3 Return to shenanigans
    • 5.5.4 Assassination Fourth dimension, 2nd Hr
    • 5.5.5 Terminal moments
• 6 Powers and Abilities
  • 6.ane Powers
  • vi.2 Abilities
  • six.3 Weaknesses
    • 6.three.1 Foibles
• vii Relationships
  • 7.one Class 3-Due east
  • 7.2 Aguri Yukimura
  • 7.3 The Reaper
  • 7.four Gakuhō Asano
  • vii.5 Tadaomi Karasuma
  • 7.vi Irina Jelavić
• 8 Quotes
• 9 Trivia
• ten References
• 11 Navigation

Appearance

Korosensei has the appearance of a yellowish octopus. He is virtually three meters tall and possessed a large, bulbous head with a large smile that rarely breaks or moves and small, beady eyes. He uses ii tentacles as artillery, each having ii feelers equally fingers, and utilized the remainder of seemingly jelly-like limbs - his tentacles - to walk. Korosensei has a pair of hidden nostrils, which brand him appear to take iv eyes if detected. Due to his constant grinning, he can change his color depending on his emotions.

Korosensei wears a black academic dress, a small black squarish bookish cap with a yellowish tassel, and a large black tie with a xanthous crescent-shaped moon on it, a gift from Aguri.

Every bit a human, he had stake peel, a slender build, dark eyes, and short black hair that reached to his nape. He sports an amicable smile, which was initially used to dispense others. When conveying out assassinations, he donned formal clothing. Subsequently being taken prisoner by Yanagisawa, he was put in patients' scrubs until his escape and transformation.

Personality

It was revealed that he was raised in an surroundings "where everybody could easily betray one another to the signal that one could only trust oneself". Through these hardships, he decided to become an assassin to survive. Despite gaining an apprentice, he only saw him as a tool for his goals, which drove the latter to finally beguile his principal.

However, after meeting Aguri Yukimura, he finally knew what pity actually was--becoming much more than kind and compassionate. According to Aguri, if he was built-in in a peaceful country, his personality would be "someone a trivial perverted, with a good head but a few screws loose, footling about small things, and also very stubborn." He has/would have "a gentle smile not simply for business, just because he is a gentle person himself." This prediction happens to reverberate his personality; which became forefront after he answered the tentacles.

When first introduced, Korosensei was an upbeat individual who demanded absurd and seemingly mundane requests despite claiming he would be the crusade of the planet's destruction in a twelvemonth. He was also rather kind to others in full general and could switch from light-headed and childish to serious on the fly. Co-ordinate to Nagisa, Korosensei also was unintentionally footling at others at times and loved gossip, both traits heavily noted throughout the series.

From time to time pieces of his old personality as The Reaper were visible such as when Terasaka tried to sacrifice Nagisa to kill Korosensei and Korosensei menacingly threatened all of their families if they tried another self-harming attempt similar that. In that moment he resorted to his old method of teaching through fear. As the series progresses his graphic symbol development renders him more and more capable of truthful empathy and learning to use that empathy to teach lessons instead of through fearfulness and advantage like he had with his get-go student.

Korosensei securely cared for his students' emotional and physical well-existence and would lose his temper whenever any of them were put in danger, even by one some other. On the almanac school trip to Kyoto, a few of his students were assaulted/kidnapped by a gang of loftier schoolers subconscious in an aisle. After searching the entire area painstakingly, he infiltrated the abandoned edifice where two of his students, Yukiko and Kaede, were being held at and single-handedly beat out up all of the high schoolers, scaring them away.^[3]

One of Korosensei'due south attributes was that he was able to connect to each student individually, being an objective, empathic, and observant person who volition do about annihilation to help his students. This was why all the students respect him even though he would blow upwards the Earth in a year. Taking care of each student's needs, Korosensei would sometimes be piqued by a educatee'due south electric current problems or interests and would try his all-time to guide the student along or solve it for them.

Korosensei loved sweets almost to farthermost cases,^[4] and was also shown to exist a very perverted character, a trait he shares with his pupil Okajima. This feature was revealed to be the side outcome of the experimentation which made him unable to hide his true feelings.

Etymology

His name, Korosensei, is a combination of the words 殺せない ( korosenai , 殺せない ), which means "unkillable", and the discussion 先生 (sensei , 先生 ), which means "teacher". It was given to him by Kaede Kayano.^[v]

History

As a kid, he was born into one of the vilest and corrupt slums in an unknown country. He never knew his real name or his altogether. It was an environment where everybody could easily betray ane another to the point that one could but trust oneself. Through these hardships, he learned that in that location are only iii things you lot can actually count on: skill, money, and expiry. This ideology is what fabricated him determine to become an assassin, eventually becoming the master assassin known every bit The Reaper after his 1-thousandth kill. Those who were stronger than him, he killed with his intellect; those who were smarter, he killed with strength; those who were stiff and smart, he killed with his charm.

Immediately, his talents were shown as he left a tremendous trail of corpses in his wake. He became notorious for breaking through even the well-nigh strict security teams to assassinate his targets without any hitch.

All this changed afterward assassinating a wealthy businessman and father. The man's kid witnessed the killing, and the child became enamored with the beauty of the kill, requesting that the Reaper train him as his apprentice. Eager for the bump-off opportunities that an apprentice could give, the Reaper took in the boy and trained him. He taught him everything he knew, all while still instilling respect and fear in him and letting him know the departure in ability between them, though he only saw him as his tool rather than a existent student.

The Reaper's apprentice betrays him.

Later on several successful jobs, the amateur turned on The Reaper as he was attempting to escape a prison house facility. The amateur, later on the current Reaper, sought his master'due south title and abandoned him just to fuel his ego. Betrayed, the Reaper was captured and thrown into an undocumented research laboratory run past Kotaro Yanagisawa. Yanagisawa'due south research goal was to create large amounts of organic antimatter by having it "piggyback" on the growth of man cells.

Information technology was there that he met and befriended Aguri Yukimura, a instructor who was at the fourth dimension in an arranged and abusive marriage to Yanagisawa. She was brought in to go on a closer center on him as Yanagisawa considered her easily expendable if he attempted to break gratuitous and take her hostage. As the tests connected, the Reaper began to slowly bond with her and became fond of her as she worked on compiling exam questions for her class, and it was during this fourth dimension he learned what compassion was.

One year after he had been imprisoned in the lab, Aguri got him a big tie as a present, since he would complain most his cervix being cold and because he didn't know his actual altogether, she though their anniversary was every bit good a twenty-four hour period as whatsoever.

The Reaper in captivity.

However, a trouble arose when Yanagisawa and his researchers questioned what would happen to Korosensei'due south antimatter cells when he died. To answer this question, Yanagisawa and his squad launched a small automatic lab onto the moon to safely test the possibility of what happened if a subject with Korosensei's antimatter-infused cells were to die, in this case, a small lab rat. When the rat did die at the end of its lifespan, it acquired a volatile reaction with the antimatter in its body. The antimatter created a chain reaction that turned 70% of the moon's matter into antimatter, which completely exploded. Upon seeing this, Yanagisawa was horrified at the results. His subordinates then began running calculations and discovered that the same thing will happen to the Reaper by March 13 of the post-obit yr. Earth would be destroyed the same way if left unchecked, prompting Yanagisawa to order his subordinates to start preparations to impale him.

The transformed Reaper begins his escape.

A mortified Aguri overhears this and decides to go speak to the Reaper and tell him their findings. Withal, when she does, he reveals that information technology does non bother him equally he expected a death such as this from the beginning. Telling Aguri to leave, he finally unleashes his full power that he gained from the experiments to escape as a visibly fuming Yanagisawa watches from a nearby security camera. The Reaper then proceeded to rampage violently, killing off several guards, destroying the building, and in the process of information technology all damaging Yanagisawa's left eye.

However, during the escape, Aguri is mortally wounded when she landed in the line of fire of a special tripmine meant for him, to the latter'south horror. He then laments that if he hadn't wasted his skills on killing, he would know how to save her. Her last wish to him was to teach the students of Class E, all while thinking of what a wonderful teacher he volition be. Depressed merely not broken, the Reaper vowed to help those children. He took the tie Aguri got him, left a annotation, left the facility for a nearby mountain, and then used various items on the mountain to create a new prepare of dress to suit his new role every bit a teacher.

Although not responsible for destroying seventy percent of the moon, he takes the blame and tells the world's leaders that he volition destroy the World equally well in March of the following year and requests to become the homeroom teacher for Kunugigaoka Junior High School's Class iii-E. The world leaders accept the deal, hoping information technology will give them a chance to assassinate him; however, they besides added some other condition: he would not impairment the students.

Plot

Introduction: Assassination Time

Korosensei demonstrates his weakness to anti-sensei fabric.

As Korosensei starts the attendance, he asks the one who is on mean solar day duty to issue command. Korosensei was ambushed by his students with automatic rifles; however, he dodges the bullets while doing the omnipresence. Korosensei is pleased that there are no absentees; he was also ashamed that nobody could striking him. He tells them that they should devise a plan together. The students complain that even if he were to get hit by the BB pellet bullets, he would just endure it. Korosensei demonstrates that those BB bullets, created peculiarly in America for harming him, are harmless to the students and shoots his right feeler off; nonetheless, Korosensei regenerates his feeler back after a few seconds. He warns them not to use them indoors except for killing him. He then tells them that they will kill him before graduation and decides to tidy the class up.

Later on he questions Kimura of which one of his four tentacles is the weird one, which Kimura responds that the blue tentacle is the odd one, and Korosensei is and then pleased with his correct respond. He then catches a bullet with his chalk. He becomes carmine and punishes Nakamura, maxim that her bump-off meddles with her written report. When lunchtime starts, Korosensei decides to go to Cathay, while grading his pupil'southward tests. Korosensei afterward came back with a missile souvenir after having been ambushed by the self-defense force in the Sea of Japan. Nagisa asks him if it was troublesome that he was targeted, but Korosensei tells him that he doesn't mind, and that it shows proof of his vast power.

The class starts again, and Korosensei decides to assign a verse form, and the 1 who is finished should bring it to him. Korosensei was asked by Kayano what name they should refer him equally; Korosensei tells her that they can determine. Korosensei sees Nagisa walking up deliver the letter. He was all of a sudden struck past him, but he easily blocked it. All the same, Nagisa retaliates with a BB pellet grenade, much to Korosensei'due south surprise; notwithstanding Korosensei uses his shed skin to protect himself and Nagisa, which he can only utilize once a calendar month. Later revealing his power, he turns black with extreme acrimony, and calls out the ringleaders of the BB pellet grenade. Korosensei and then roams around town with his mach xx speed and brought the nameplates from their houses. He tells the students: due to the agreement to not harm the students, if they try the same bump-off method again, then he would annihilate anyone they know. He was questioned by Terasaka of the caste of the bump-off, and Korosensei corrects him by proverb that it was excellent and praises Nagisa for keeping a natural body movement. However, Korosensei admonishes them of having no regard for Nagisa's life. He then advises them that they should use an assassination method that will make anybody happy and that they should utilise their hidden talents. After seeing a fire mark on a tabular array he remembers the incident from his by.

Get-go Semester

Inspiring his form

Apart from avoiding every assassination attempt by the grade, Korosensei teaches them valuable life lessons and give the individual students the confidence in themselves despite beingness placed in the discriminatory Class 3-E. When going upwards against the school'due south discriminatory education policy led by the board chairman Gakuhō Asano, Korosensei lost in the mid term exams past having been focused too much on getting all of Class Due east ranked in the top 50. At the time however, it was also to teach the students the importance of "having a 2d bract", since in the event Korosensei is killed, the students yet have to program for their future in life regardless of who claims the 10 billion yen bounty. During the exhibition match between Grade Eastward and the school's baseball club, Korosensei coached the class in countering the star player's pitches and helped them win despite Asano's interventions. While the students are grateful that their teacher is doing all of this for their benefit, they still become bellyaching by his various antics, such every bit eavesdropping for juicy gossip and getting too cocky, which ordinarily gets Korosensei into trouble.

During the semester, Korosensei had been challenged to a duel against the 2nd transfer student Itona Horibe, accompanied past the mysterious Shiro. To his and everyone'due south surprise, Horibe has the same tentacle implants as Korosensei which explains why Horibe had earlier called Korosensei his 'brother'. Although visually disturbed by Itona's tentacles and the well planned strategies devised by Shiro, Korosensei outmaneuvers the pair and defeats Itona. Earlier Korosensei could get any answers regarding Itona's tentacles the pair retreated just not before vowing to render. The pair kept their vow and returned to ambush Korosensei but he was rescued by the students who were none also pleased that they were used and most killed indirectly by Shiro.

End of Term Time

With the finals budgeted Korosensei motivates the course into getting first place in any of the five subjects, with the advantage existence that they have the right to shoot off one of his tentacles. Knowing that this will slow downwards his speed, the course takes up the challenge enthusiastically, simply also got drawn into a wager with Class A. The results prove that Rio Nakamura, Yūma Isogai and Manami Okuda scored start place in English, Social Studies and Scientific discipline respectively. Still Korosensei has been bamboozled to take iv additional tentacles destroyed when Terasaka, Hazama, Muramatsu and Yoshida tied for kickoff identify in Dwelling Economics, a subject Korosensei tried unsuccessfully to disregard as not being a core subject field. The form'due south plan is to try their ambitious bump-off on a holiday island resort in Okinawa, which was the prize for winning their wager with Class A.

Assassination Island Arc

Arriving on the isle resort, Korosensei participates in many activities with the class seemingly non knowing the true purpose of his students' calendar ahead of the assassination. At the end of the day Korosensei has been sun burnt to the point that no one can read his burnt black face. He sheds his skin as his monthly routine merely unwittingly weakens himself and wasted ane of his defense force measures. The class so makes him watch an embarrassing film of his antics and unusual hobbies every bit a way to mentally weaken him. When it finishes he realizes too late of the high tide as the 7 shoot off his tentacles. From in that location, his surroundings change dramatically as the students trap him in a hydraulic water cage and fire anti-sensei BBs all around him. As he senses two BBs fired by Chiba and Hayami, Korosensei was forced to utilise his last resort, turning himself into a ball with an unbreakable shield surrounding him at the cost of forsaking his mobility.

Later that night, 10 of his students collapse to an bogus virus. The mastermind behind the virus puts them to ransom and demands that Korosensei be delivered by Nagisa and Kayano to the mountain hotel in substitution for the antidote. Although unable to move, Korosensei assists the 15 remaining students to infiltrate the hotel and even helped telephone call out commands while simultaneously distracting one of the hired hitmen. When the class discovers the mastermind as their short-lived PE teacher Akira Takaoka, Korosensei is forced to watch him and Nagisa battle it out for the antitoxin. The situation was so grave that Korosensei grew worried and even brash Karasuma to intervene should anything bad happens. Fortunately, Nagisa defeated Takaoka, and the ill students had never been in whatsoever danger; the virus was a faux. The side by side mean solar day, Korosensei was sealed abroad in concrete slabs past Karasuma in a vain effort to kill him, but he manages to render to his normal grade.

Earlier leaving the island, Korosensei organized a Exam of Backbone. Information technology is supposed to be a haunted attraction, but his ulterior motive is to create more juicy gossip by pairing up the students to spark any romances. The class immediately realizes what Korosensei had planned, and the latter half of the pairs instead turned the tables on their teacher past making him scared.

Second Semester

Continuing to inspire

Much like the get-go semester Korosensei continued teaching Grade three-East some valuable life lessons. He gave the grade some practical experience to their newly-learned ability to free-run taught by Karasuma by organizing a game of Cops and Robbers, and inspired Yūma Isogai to lead his course to victory against Class A during the Able-bodied Festival.

Korosensei briefly suffered a loss of trust with his students when they suspect him of crimes he did not commit due to his perverted hobbies. He was vindicated when he and a few skeptical students find the culprit to be Shiro and Itona, who once more than ambush him using the same strategy employed by Class iii-Due east during the summertime vacation. This time, Korosensei convinced Itona to bring together them after the latter was coldly abased by Shiro for the repeat failures and removed the tentacles from him.

Unwanted attention

Livid after Class three-E injures Matsukata.

As the mid-terms approached, some of the students started to have brusque cuts past studying and training at the aforementioned time, costless-running through the town despite beingness expressly forbidden to do and so. This soon gets them into trouble when they surprise an old man and cause him to break his leg. Korosensei was furious upon learning of this, and slapped the students involved in his anger despite the condition he was not to harm them. To teach them humility Korosensei forbids them to study for 2 weeks and help out at the nursery the former human being runs, which consequently lowered their test ranks, salvage for Karma.

The students' deportment had also attracted the attention of the professional hitting man known as the The Reaper. When Korosensei was away, the hit man took the grade earnest to lure the target in and Korosensei was shortly captured. They were subsequently freed when Karasuma defeated the Reaper.

Nagisa's Time

Afterwards, Korosensei held a careers consultation for the class, wishing to know what their 2nd blade will exist should somebody succeed in killing him, while humorously avoiding each student's attempts to impale him. Afterward hearing Nagisa'southward admission that he has the talent to become an assassin, Korosensei vows to support him despite the dangers of this path. He afterwards disguised himself as Karasuma during a parent-teacher interview with Nagisa's female parent Hiromi who wants to transfer her son back to the main campus. But seeing her dominant personality and inferiority complex to make Nagisa follow the path in life she laid out for him, Korosensei refuses her request. That dark he saw Nagisa take out a hidden assassinator in front of his mother and drove them both back to their house.

Concluding Battle with Chairman Asano

During the school festival, Korosensei advised the students to use the mount to find natural ingredients to make acorn noodles to attract customers to travel the one-kilometer trek from the main campus to the 3-E classroom. In his terminal battle with Chairman Asano, Korosensei aided his students to triumph over Class A and even turned the tables when Asano himself arrived to kill him. There Korosensei revealed that he based his teaching methods based on Asano'southward own methods in his early teaching career and was responsible for Asano somewhat regaining his former kind personality.

Stop of the Semester: Past Fourth dimension

The end of the semester took a unsafe twist when Kaede Kayano launched a surprise assault on Korosensei, revealing to have implanted tentacles on herself. Korosensei managed to avoid falling into a anti-sensei BB-filled pit by blasting a hole in the wall, prompting Kayano to recoil on instinct. Korosensei asked what happened to her afterwards, and she reveals to be the younger sister of Aguri Yukimura, drawing a surprised reaction from him and her classmates. At the students' insistence and seeing his by finally catching up to him, Korosensei agreed to tell the full story of his past, but not until Kayano is subdued.

He and the class meet her at Kunigigaoka Park, and the two start to fight. Immediately Korosensei senses Kayano's subconscious fading equally her tentacles get-go to dominate, and asks the class to find a way to calm Kayano'due south bloodlust before she dies. Korosensei intentionally reveals his main weak indicate - his heart behind his crescent moon tie - and Kayano strikes. Although being gravely wounded, Korosensei pins her downwards stating his promise to her sis not to let any of his students fall, allowing Nagisa to approach Kayano and kiss her into unconsciousness. Korosensei removes her tentacles and sees Shiro (who Korosensei at present recognizes to be his jailer Kotaro Yanagisawa) watching the whole matter with a masked accomplice. When Kayano woke up filled with regret, Korosensei tells the class about his past as the original Reaper, bonding with Aguri during his captivity and promising to teach her students earlier she died during his escape. He also stated that fifty-fifty if no one managed to assassinate him by March, he would die along with the unabridged globe.

Terminal Semester

Division Time: The Civil War of Grade E

At the commencement of the final semester, Korosensei greets his class with the usual enthusiasm. Simply he notices their unenthusiastic response even after the wintertime break stemming from hearing his past. While Karasuma is worried that their motivation to impale is weakened, Korosensei only states how the course will respond. The teachers later arrive after seeing a student meeting taking place but degenerates into a violent scuffle between Nagisa and Karma. Korosensei mediates the state of affairs by suggesting that the ii factions (those wanting to impale Korosensei and those wanting to salvage him) settle their differences by playing a paintball game, with the winning side having their opinion to be the concluding say in uniting the class once again.

Korosensei later watches the boxing unfold from a raised platform and commentates on some of the private students' hidden talents. When the fight is reduced to the last man standing between Nagisa and Karma, he compares each of the boys' specialized skills. Eventually, Nagisa wins when Karma surrenders voluntarily, but the class has been reunited nether a common goal again. Karasuma later speculates that the war is what Korosensei had planned all along, another lesson to brainwash the students.

Renewed Resolve

Searching for a way to save their teacher, the class eventually come up across data that could come across their purpose. The information is based on American research data experimenting on neutralizing the antimatter without causing it to explode. However, the experiments are being conducted onboard the International Space Station by trained personnel. Korosensei suggests a crazy plan to the students to infiltrate a Japanese launch site and have two students supervene upon the dummies in the shuttle and essentially hijack the space station. At the site, the course quietly infiltrates the facility and consul Nagisa and Karma to exist the hijackers. As the two launch into infinite, Korosensei barely manages to keep up with the launched shuttle as he wishes the pair luck.

The boys return to World with the information, and Korosensei helps Ritsu steer the shuttle back to their classroom. Afterward bribing an irritated Karasuma with the successful experiment of sending ii living beings into space without any harm washed, he soon learns from the research data that the chances of him cocky-destructing in March is less than one percent. Moreover, the chemic he and Okuda worked on dorsum in the kickoff semester that liquified him neutralizes the antimatter'southward effects. Despite learning this, Nagisa and the course resolve to at least continue their mission to impale their teacher until graduation. Hearing this, Korosensei throws a quick-fire spontaneous circular of festivities the grade did not experience during the wintertime intermission due to their depressed state after hearing his past. While he celebrates, the grade made numerous attempts to kill him, but their target'south speed and their own sloppiness meant their efforts were for naught. The teacher before long brings the course back downwards to reality by announcing the high school entrance exams in 2 weeks and that he will concur another careers consultation afterward to discuss the students' futures after graduation.

Return to shenanigans

When the archway exams arrive, Korosensei wished every educatee good luck with his usual enthusiasm (unwittingly embarrassing them in the process). Afterward, he tried to console a devastated Takebayashi who bombed out in getting to the tiptop high school as his commencement preference. He also punished every educatee that uttered any words synonymous with 'neglect' with an outdated hairstyle known equally 'seven-three'. The class eventually realize that their target was baiting them purposefully to entertain himself and try to kill him in anger.

A 24-hour interval earlier Valentine's Day, Korosensei influences Maehara to spend time with Hinata Okano as a way to catch more beloved gossip. Maehara took his communication and knew of Korosensei's motives to spy on them and had some of the grade waits in ambush. This failed, simply Okano was particularly infuriated at not being told of this programme, making Maehara end up trying to reconcile with her the next day. Korosensei spent much of the day spying on the class for love gossip but was easily distracted by Kayano's photo of Aguri in a swimsuit and the chocolate present, preventing him from taking pictures of Kayano and Nagisa. During dark time when he continued to admire Aguri in a swimsuit photo in the staff room, he dodged Chairman Asano's sudden set on and was offered the choice to keep educational activity after March; however, Korosensei declined, and they are chatting together for the whole night.

With the whole class having been accepted in their summit preferences for high school, Korosensei wanted to collate a graduation photograph album using the 10,000 photos he had already taken, most of them existence the students' individual or embarrassing moments. Believing this to be not enough, he then gathered the course for a quick circular-the-world tour, taking snapshots and leaving without whatever chance for sightseeing. Afterward, he met the students individually for another careers consultation and met Nagisa final. He was happy that Nagisa decided to go a teacher and supported his decision. After Karasuma leaves the classroom with Korosensei compiling his graduation photo album, a weaponized beam of light struck the classroom.

Assassination Time, 2nd Hour

Much to the government's surprise, Korosensei escaped the space weapon dubbed the "Spear of Sky" but non unscathed. He tried to fly away but was blocked by the impenetrable "Earth Shield", which also extended underground. Trapped on the mount, Korosensei was impressed and seemingly admitted defeat. He connected to work on the graduation anthology though he wished to meet his students one final time.

On the concluding night of the deadline, Korosensei and the class happily reunited. Briefed of the situation and that the satellite weapon would burn down again in ninety minutes, he imparts one last life lesson to his students - to face and navigate through society head-on and not reject it as he once did. Rio Nakamura presents their teacher with a small-scale cake to mark the result Aguri declared to be his birthday (the day she and Korosensei first met each other). Having not eaten whatsoever sweets for nearly a calendar week, Korosensei starts drooling on the block but nonetheless feels happiness. Withal, before he could accident out the candle, the cake was destroyed by Shiro, accompanied past Korosensei's former apprentice (No. ii), who is now a hideous tentacled monster.

The two proceed to fight where it was obvious to everyone that No. 2 could reach speeds at Mach 40, and Korosensei was barely able to defend himself. Furthermore, Shiro injected himself with a tentacle seed to become superhuman while retaining his intelligence to support the apprentice. When Korosensei began to dodge their attacks more effectively, Shiro ordered No. 2 to attack the defenseless class. As his natural duty, Korosensei took the full brunt of the apprentice's attacks to protect them, and he declared that protecting them is not his critical weakness but rather the happiest gift he had been given. Korosensei continues wearing himself down to protect them until Kayano fires a shot at No. 2 to buy her instructor time to heal himself. Despite Korosensei's protests, Kayano was able to damage ane of No. two's tentacles but was pierced right in the breast, the same fashion equally her sister. Seeing all this, Korosensei turns black as a sign of his rage. Shiro injects the second Reaper with a needle, supposedly a stimulant of some sort, to friction match his power more easily. Every bit Reaper 2.0's attack hurtles towards his 'heart', Korosensei stops it with white energy, much to Shiro'southward surprise. Fusing all his emotions and colors together, he uses his ranged energy explosion tactic, blasting away Reaper 2.0 and Shiro.

While Shiro humiliatingly disintegrated past the barrier, Korosensei knifed his apprentice in the chest. The two share i last commutation, where Korosensei acknowledges his former educatee's wish and promises to kickoff over should they see "on the other side" before the Reaper too disintegrated. Korosensei returns to the students and starts treating Kayano'south wounds, collecting her claret before the droplets hit the ground even while fighting his opponents. As the students celebrate Kayano'southward phenomenon recovery, Korosensei stares up at the nighttime sky, wondering whether he had successfully fulfilled his promise to Aguri.

Last moments

Korosensei'south body dissipates into yellowish particles.

Korosensei and then collapsed out of fatigue from his fight with Reaper ii.0, and after noticing the laser's light intensifying, he appear that now was the time for the class to kill him. Once the class reluctantly decided to pin him down, Korosensei tells his students that he left them each a book of advice as a cheerio souvenir and that he would denote ane last ringlet phone call. Every bit he calls out the listing of names, he reminisces how he is proud of his students who gave pregnant to his life.

Nagisa, who chose to deliver the killing accident, becomes overwhelmed past his emotions. In response, Korosensei softly places a tentacle on his cheek and tells that he wants Nagisa to kill him with a grin on his face. After giving each other their last farewells, Korosensei is stabbed in the heart, and his body dissipated into numerous light particles.

Powers and Abilities

Powers

Antimatter Physiology: Due to the human experiments of producing antimatter in a living torso by Shiro, Korosensei's entire appearance is that of an octopus-like fauna with multiple tendrils that function equally his tentacles. Anything bated from Anti-Sensei Weapons will be ineffective in harming him. It is initially believed that he would cocky-destruct past the time of Course E'southward graduation; yet, it has since been proven that the chances are minuscule at all-time.

• Protective Coloring: Korosensei can change his skin into any color, utilized for expressing emotions also equally disguise and camouflage.
• Mucus: The standard trait of an antimatter organism, the mucus that Korosensei has varied uses for support purposes, such as waterproofing, cleansing, agglutinative and the replacement of tears.
• Poison Immunity: Korosensei is immune to toxic substances that would definitely kill an ordinary homo. Although, such substances do affect him, such equally by transforming his head.
• Liquefaction: After he drank the 4th poison made by Manami Okuda, Korosensei developed an ability to command his fluidity. He can morph into a mass of mercury-like slime. In cost of his massive trunk and tentacles, Korosensei can fit through whatsoever space while retaining most of his abilities.
• Absolute Defense force Form: Another trump card never used until the Okinawa trip, Korosensei can shrink his body into a minor sphere, not much larger than a baseball, and the remaining energy from the transformation hardens equally a crystallized membrane around his shrunken spherical body. Every bit long every bit he is in this form, he is completely impervious to harm; past his own admission, fifty-fifty a nuclear warhead wouldn't be strong enough to even scratch him. Later on twenty-four hours, the external vanquish liquefies and he will slowly absorb energy over a period of time until he fully regenerates and returns to his usual form. The simply drawback to this trump carte du jour is that in the span of the total 24-hour interval, he is rendered completely immobile and is susceptible to being carried effectually. The only mechanism that could potentially break through this form is the Spear of Heaven.
• Free energy Laser: An power developed from the Accented Defense. Korosensei can channel a portion of his inner energy to his tentacles in lodge to discharge a laser nail.
• Molting: A one time-a-month occurrence, Korosensei can shed his skin. and apply information technology equally a protective membrane either on himself or another individual, protecting them from being hurt even from military-grade explosives. Afterwards, his reaction speed may temporarily be reduced, but he tin even so be fast enough to dodge attacks from the course.
• Regeneration: If one or more of his tentacles are maimed, Korosensei can regenerate the severed limb. Yet, this weakens his stamina.
• Superhuman Senses: Korosensei's sensory perceptions are paramount, and can find even the most minuscule of changes in temperature, light, sound, and smell. Despite having no visible ears or nose, Korosensei has proven to exist able to hear things no normal human being can selection up on, as well equally find the nearly minor of aromas, which aided him greatly in evading the assassination attempts of Class 3-Due east. Korosensei is especially talented in identifying people past their odor, as well every bit sure materials (such every bit explosives and poisons). His eyes are likewise quite groovy, and can keep track of objects going thousands of miles per hr without difficulty, as well as detect the slightest of movements that occur quicker than the blink of an eye.
• Superhuman Digestion: Korosensei tin digest anything aside Anti-Sensei weapons, every bit his teeth can vanquish any hard materials. Whether he eats something or it enters his body, he can either molten the food get-go so eject it, or it will but be digested. Although it is not guaranteed that Korosensei will receive no irregularities from what he has eaten, information technology usually has no tactical disadvantages if information technology is not a weakness for him.

Korosensei writing at superhuman speed.

• Superhuman Speed: Korosensei can travel upwardly to the speed of Mach twenty. His normally soft and jelly-like head hardens nether immense pressure level as a process known as the dilatancy miracle, which presumably lowers his wind resistance, assuasive him to reach inhuman speeds. The merely known objects to surpass this are the reusable space shuttle and the transformed Reaper.
  • Speed Replication: Korosensei's amazing speed allows him to seemingly re-create himself dozens of times using after-imagery. Non only tin can each private afterward-image maintain a task for extended periods of time, merely Korosensei'southward "speed copies" are all capable of taking on widely-unlike tasks both individually and simultaneously without confusing themselves. This technique was primarily used by Korosensei to teach all of Grade three-E i-on-one when a hard examination approached, allowing Korosensei to work with each student separately to work on their problem subjects.
• Superhuman Reflexes: Korosensei can react and dodge multiple fires of Anti-Sensei bullets and move abroad from whatsoever harm. His reflexes also let him to react fast enough to catch or deflect any flying projectile in mid-air using what he has on hand.

Abilities

• Bump-off: As the original Reaper, Korosensei was considered the globe'south best assassin prior to being betrayed by his disciple. As a result, Korosensei tin can combat nigh every assassination attempt utilized by both the Class Eastward students and professional person assassins, showing to be extremely observant and stealthy at planning and execution.
• Genius Intellect: Even before Korosensei gained his powers, he possesses a gifted mind which allows him to learn and sympathise circuitous cognition in a affair of minutes. Since gaining his speed, Korosensei has become hypercognitive, and tin procedure information thousands of times faster than the average human existence. His greatest feats appear to be coming up with inventions leaps and bounds above contemporary scientific discipline in a matter of days.
  • Genius Pharmacist: He was able to create a chemical granted him his Liquefaction power.
  • Mechanics and Programing: Korosensei was able to upgrade Ritsu, designing and implementing approximately 985 modifications and upgrades within less than a single 24-hour interval. He likewise upgraded her AI to grant her some form of autonomy and sentience.
  • Didactics Ability: With his immense intelligence, he was able to single-handedly teach multiple academic subjects and produce impressive results from Form iii-Eastward. His incredible mentality combined with his speed likewise allow him to multitask on up to dozens of jobs at a time, all of which seemingly being done simultaneously (including providing individual teaching to every student of Class 3-E simultaneously, focusing on the subject each of them needs to study most and even changing his headband equally he goes).
• Eidetic Memory: Korosensei is able to store all that he has learned and use them to his advantage, which led to him being the strongest assassinator in the world prior to his capture. In order to become a competent educator to Class 3-E, he has memorized all of the text books in Japan so equally to be able to coach his students where their weaknesses lie.
• Surgery: Later on he was unable to save Aguri from her fatal injury, he began learning most surgery methods, which he outset demonstrated on Azusa to remove her encephalon tumor without dissentious her. He later uses his cognition to heal and revive Kayano from receiving the aforementioned injury as Aguri.

Weaknesses

Because of his answer to the tentacles when they questioned him from within, Korosensei gained a number of weaknesses when he became the teacher of Class three-E . Below is a list of such weaknesses recorded by Nagisa Shiota.

1. When he tries to act cool, his weaknesses show.^[6]
2. He is surprisingly quick to panic.^[7]
3. He is petty.^[8]
4. His punches are soft.
5. Boobs (natural weakness).
6. He is subservient to his superiors at piece of work.
7. He has no patience for wire puzzles.
8. He gets motion sickness.
9. He can't sleep on a pillow other than his own.
10. He worries about appearances.
11. He can't handle hot food.
12. Getting wet makes him swell up (natural weakness).^[9]
13. Juicy gossip.^[10]
14. Hackneyed plot developments make him cry.
15. He gets taken in by rumors.
16. He uses upwardly stamina after molting, slowing him down (natural weakness).
17. He uses up stamina later regeneration, slowing him downwards (natural weakness).
18. His torso goes rigid when bathed in a special beam of light (natural weakness).
19. When he returns to normal after a serious situation, he gets embarrassed.
20. He tin merely draw elementary pictures.
21. Oestrus fatigue.
22. He is strict well-nigh poolside manner.
23. He can't swim (natural weakness).
24. He likes to gossip.
25. He is weak against the occult.
26. If he can't gather people, he feels worthless.
27. Tone-deafness.
28. He sucks at hiding.
29. He gets carried away by official positions.
30. His center (natural weakness).
31. Not related, but acts similar a doting parent.
32. Gets insurance to avert getting injure.
33. He doesn't really know what "your own football" means.
34. He sucks at reporting.
35. He suffers from road rage.
36. Restructuring (natural weakness).
37. He doesn't have much animal forcefulness, then if all of his tentacles are grabbed at once, he would be unable to escape (Natural weakness).
38. Unintentionally calculation insult to injury.
39. Completely oblivious to the mood in moments of high tension.
40. Class 3-E students: Arguably Korosensei's greatest weakness. Although students of 3-E course are subtly enlightened of this, only three students ever fabricated actual attempts to exploit this cistron: Karma Akabane, Nagisa Shiota (using himself as allurement), and Ryoma Terasaka (using Nagisa equally a suicide bomber the start time, second when he was unknowingly manipulated by Shiro into nearly drowning his classmates, but has redeemed himself since). Exploiting this weakness means one has no qualms of discarding lives of his/her classmates, and even their own; Yanagisawa has demonstrated these qualities.

Foibles

Korosensei hides certain things from his students in his life, which was revealed during the extra chapters. Here are the foibles that Korosensei has for his life as an developed.

1. Painfully narcissistic designs.
2. His room resembles a dumpster.
3. He just makes petty wagers.
4. A flake of a degenerate octopus.
5. His purpose has shifted from using porn magazines to collecting them all, at this point.
6. Starts a nights' off with cassis and orangish.
7. Takes forever to decide on an titbit.
8. Really can't hold his liquor.
9. Kind of like an former geezer.

Relationships

Course 3-E

Chief article: Class iii-E

In general, Korosensei has a good relationship with all his students, helping past doing anything he tin can. Every bit a upshot, he is highly respected by them. His positive relationship with the class stems from his promise to their former teacher Aguri Yukimura to give them backbone and not let any of the students fall behind.

Korosensei loves and cherishes his students and is very protective of them as when he got mad when Terasaka, Yoshida, and Muramatsu used Nagisa bait, Takaoka kneed Maehara, and slapped Kanzaki, Takaoka revealing his plans to bury him and Kayano in cement alive.

Korosensei does non show favoritism with whatever student but is particularly interested in Nagisa Shiota, for non just being quiet and well-mannered but for his talents as an assassinator, who eventually followed his path to go a teacher.

Aguri Yukimura

Main commodity: Aguri Yukimura

Korosensei'southward first impressions of Aguri were neutral, seeing her only every bit a means of escape just commented on her bizarre style sense and scatterbrain behavior.

However, every bit time passed, their relationship became close after Aguri taught him what "compassion was". Eventually, Korosensei finally told her of his life, and Aguri expressed her desire to instill courage in her depressed students.

Aguri's death inspired Korosensei to accept up teaching, leading to current events with Course 3-E.

The Reaper

Primary article: The Reaper

His apprentice, whom he met killing his male parent. After witnessing the killing, the child became enamored and requested that the Reaper railroad train him as his apprentice. Eager for the bump-off opportunities that an apprentice could requite, the Reaper took in the male child and trained him.

Fifty-fifty though he taught him everything he knew, all while nevertheless instilling respect and fear in him and letting him know the difference in power betwixt them, the first Reaper nevertheless saw him as his tool rather than a real student, which somewhen cost him his apprentice to and abandoned him at a prison house after realizing his instructor's view of him.

After the Reaper was captured, he admitted to Aguri that he was dumbfounded on why his student betrayed him, to which she responded that he might want his master to acknowledge him. Many years later, the second Reaper'south wish for his principal to acknowledge him still lingered fifty-fifty when he was given tentacles by Shiro and right before his death.

Gakuhō Asano

Main commodity: Gakuhō Asano

Initially, Asano presented himself as Korosensei's work superior and a major adversary at teaching. He made it a point to stand up every bit a wall between Korosensei and his goals for improving Class E. However, Korosensei managed to overcome those blocks. It was revealed that they share many similarities in how they want to heighten strong and capable students and how they are both "monsters" that dedicate themselves to pedagogy.

Afterwards beating Asano, their human relationship had noticeably improved; the chairman no longer stood as a barrier to Course East's growth but rather another assassin aiming to kill Korosensei. During Valentine's Day, Asano offered to permit Korosensei to continue pedagogy at Kunugigaoka, something Korosensei views as a sign of great honor and respect. On that twenty-four hours, Korosensei had a friendly chat with Asano and thanked the chairman for making him truly bask his experience as a instructor.

Their shared want to teach ultimately results in a lot of trust betwixt them. In the final book, Asano is described every bit Korosensei'south "greatest supporter," and when Korosensei reflects on which bump-off attempts were the closest to succeeding, he mentions that he wasn't too worried nigh participating in Asano's game because he knew the explosion wouldn't be so strong as to hurt the other students.

Tadaomi Karasuma

Chief article: Tadaomi Karasuma

Most of the fourth dimension, Karasuma seems annoyed and exasperated by Korosensei.Various students remark that, nether different circumstances, they could have become shut friends. It was noted that Karasuma never chosen Koro-sensei by his name, addressing him as "octopus". Only during Korosensei's terminal moments was the only instance where he used his given proper noun.

Irina Jelavić

Main article: Irina Jelavić

Most of the time, Irina tries to set on Korosensei, who easily evades her attacks. Even though Korosensei constantly mocks her attempts to impale him and her beloved life, they take a friendly human relationship.

Quotes

• (His vow to Aguri afterwards her death) "Then long as I have time... I will use this every bit a teacher. The students you sentinel over, I volition watch them myself. No matter what, these tentacles volition not let them get."
• (To Nagisa Shiota) "The fact that I'1000 targeted by everyone is proof that I'k powerful, subsequently all." ^[11]
• (To Itona Horibe) "For sensei, assassination is education. The sensei of the assassination classroom becomes stronger equally he teaches."
• (To his apprentice) "My honey student... may you graduate... in peace."
• (To Gakuho on Valentine's Day) "Yous didn't let emotions or background deject your judgement... and evaluate me solely on my aptitude as a teacher. Such a proposal is the happiest study bill of fare you could accept given me."
• (To Grade 3-E after telling his past) "If I'thou going to be killed, it can't be at the hands of anyone else. I want to be killed by you."
• (To Grade 3-Due east) "As you get through life, the mighty current of society is bound to go in your way, and at that place will certainly be times things don't go every bit you lot'd hoped. When this happens, exercise not look to society for a cause. Do not renounce society. Frankly, you'd be wasting your time. Instead, simply say, "That's life!" and muddle your manner through with frustration."
• "The divergence between the novice and the primary is that the master has failed more times than the novice has tried."
• "Take advantage of what you accept, while you take it."
• "The tentacles spoke to me, asked what I wanted to exist. To be weak I said, to be flawed, vulnerable. To perceive weakness in others not to exploit but to protect. To exist a guide, to exist a teacher."
• "To kill is an action which overflows in everyday life. In actuality the more you try to be accepted, the more you kill your unrestrained self."
• "Honestly, there isn't much meaning to the first-class names given to you by your parents. What does have meaning, is what the person behind that name does during their actual lifetime. The proper noun doesn't make the person. The proper noun simply remains gently inside the footprint left on the path a person walks."
• "You may have grown too strong. Drunk on your own power, you forgot to put yourself in the shoes of someone weaker than you. That makes you lot no unlike than the student in the chief campus."
• "I'grand up a creek here. That's what everyone the world over must be thinking. But I'm a Mach-20 monster, sorry to say. And luckily for me, I have quite a bit to do."
• "If I wasn't prepared to exist flexible every bit the situations demands, I wouldn't take become a teacher."
• "The world will always exist filled with injustice. If you accept time to surrender or concur a grudge confronting that injustice, then use that fourth dimension to bask battling those injustices instead."

Trivia

• Korosensei has never actually known his nativity proper noun nor his parents.
• Korosensei is usually represented by an octopus due to his appearance of his head and tentacles. Aware of this, he oft draws octopus mascots when scoring exam marks and makes jokes nearly octopuses.
  • He also has a nature like to an octopus, as he is highly intelligent for his survival skills.
  • His power to regenerate his tentacles, healing others, bestowing wisdom, and advent is reminiscent of the Akkorokamui.
• In the popularity poll in Book 12, Korosensei was ranked third.
• Korosensei is ambidextrous, existence able to write/perform a task with either hands, and existence able to piece of work with both hands at the same time.
• According to Aguri, Korosensei is not Japanese.
• Korosensei is portrayed by Jun Fukuyama, who previously portrayed another manipulative protagonist, Lelouch half-dozen Britannia, from the Code Geass serial.

References

1. ↑ Assassination Classroom Manga: Chapter 121, Folio 20
2. ↑ Assassination Classroom manga: Chapter 137, folio one
3. ↑ Assassination Classroom Chapter 17, page 16
4. ↑ Assassination Classroom Manga: Chapter 4, Cover
5. ↑ Bump-off Classroom Manga: Chapter 1, Page 48
6. ↑ Bump-off Classroom manga: Chapter 3, folio vi
7. ↑ Assassination Classroom manga: Affiliate 3, page 14
8. ↑ Assassination Classroom manga: Chapter 3, page 15
9. ↑ Assassination Classroom manga: Affiliate 23, Page 2
10. ↑ Assassination Classroom manga: Chapter 23, Folio vi
11. ↑ Assassination Classroom Manga: Affiliate 1, Page 25

Navigation

due east - d - v Kunugigaoka Junior High School
Grade 3-E
Faculty	Korosensei • Tadaomi Karasuma • Irina Jelavić • Aguri Yukimura
Students	Masayoshi Kimura • Hinano Kurahashi • Yuma Isogai • Hinata Okano • Hiroto Maehara • Million Kataoka • Kotaro Takebayashi • Toka Yada • Koki Mimura • Rio Nakamura • Nagisa Shiota • Kaede Kayano • Taisei Yoshida • Yukiko Kanzaki • Taiga Okajima • Rinka Hayami • Tomohito Sugino • Yuzuki Fuwa • Takuya Muramatsu • Kirara Hazama • Ryunosuke Chiba • Manami Okuda • Sosuke Sugaya • Sumire Hara • Ryōma Terasaka • Karma Akabane • Itona Horibe • Ritsu
Main School
Faculty	Gakuho Asano • Kiyoshi Terai
Students	Tomoya Seo • Teppei Araki • Natsuhiko Koyama • Ren Sakakibara • Gakushu Asano • Kaho Tsuchiya • Kazutaka Shindō • Kokona Tagawa • Nobuta Tanaka • Chousuke Takada

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