Sukuna/Synopsis

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== History ==
Over a thousand years ago, an infant Sukuna resided in the womb of his starving mother alongside his twin, Sukuna not wanting to starve himself consumed his twin, who would later reincarnate centuries down the line. As a human sorcerer, Sukuna had killed many of the sorcerers from the golden age of jujutsu. Around this time Sukuna met Uraume and accepted them as his subordinate due to their exceptional cooking. During the Heian period, Sukuna was invited to the Harvest Festival in the capital and worshipped as an idol after annihilating the Northern Fujiwara Clan's Five Empty Generals and Sun, Moon, and Stars Squad. During the festival, Yorozu embraced him thinking he was lonely, only to be driven away by Uraume. Yorozu then expressed her wish to alleviate his loneliness, only to be slashed by him in disgust.
Before his death, Sukuna was helped by Kenjaku to live on after death by splitting his soul into twenty cursed objects created from his fingers. Despite binding vows being used to preserve their existence in exchange for not doing damage, Sukuna's fingers continued to grow stronger over the millennium, eventually being designated as special grade cursed objects by Jujutsu High.
==Synopsis==
=== Fearsome Womb Arc ===
One of Sukuna's fingers was kept in an outdoor thermometer box at Sugisawa High School. The school's occult club had taken the finger from the thermometer box and had tried to remove the seal placed on it. Once they had taken the seal of the finger off, other cursed spirits that the finger had drawn in attack the club members. As Yuji Itadori and Megumi Fushiguro came in to save the club members, Yuji eats the finger in order to fight off the cursed spirits.
This causes Sukuna to be incarnated into Yuji, which he is excited about. As Sukuna plans to start a massacre, he is stopped by Yuji who reclaims his body, which surprises the cursed spirit that he is able to resist his control so easily. When Megumi plans to kill Yuji to exorcise Sukuna, Satoru Gojo shows up and decides to test out Yuji's will. Sukuna is then given control of Yuji's body and starts to attack Gojo, but Yuji manages to take back control after ten seconds.
The next day, another one of Sukuna's finger is shown to Yuji, with Gojo explaining how there are twenty of them and that they cannot be destroyed. Yuji then eats another of Sukuna's fingers and is able to still keep Sukuna under control. Days later when Yuji is brought to the Tokyo College, Sukuna finds out that Gojo is not the leader of the sorcerers and says how he is disappointed. Sukuna also tells Gojo that he will kill Gojo first when he takes over Yuji's body, for not killing Yuji right away. As Gojo says that it's an honor to be targeted by Sukuna, Gojo then explains who Sukuna is to a curious Yuji.
During an investigation at a detention center, Sukuna is forcefully given control of Yuji's body to combat a special grade cursed spirit before it kills them. Instead of taking on the spirit, Sukuna decides to fight with the spirit in order to take out Megumi. When the spirit starts to attack Sukuna, Sukuna easily blocks the attacks and easily overwhelms the spirit. Sukuna then decides to teach the spirit a lesson and uses his domain expansion to easily cut the spirit into pieces. Sukuna then takes back his finger, which causes the spirit to die. Sukuna is prepared for Yuji to take back control, telling him to switch already, but when nothing happens, he eerily smiles realizing he can't.
Sukuna meets up with Megumi outside of the detention center, and removes Yuji's heart so that Yuji won't be able to switch with him. Sukuna then eats the finger that he had just got from the special grade cursed spirit and plans on killing Megumi. Sukuna and Megumi start to fight, where Sukuna easily defeats some of Megumi's shikigami, though he is impressed by the skill in which he utilizes them. Sukuna manages to push Megumi into a corner, questioning him on why he focused on fleeing, which confuses Megumi. Nonetheless, Megumi decides to fight seriously, which greatly enthuses Sukuna, but before the fight can continue, Yuji regains control from Sukuna, which results in Yuji's death.
After Yuji has died, Sukuna and Yuji start to fight one another within Sukuna's territory. Sukuna easily overpowers Yuji and after restraining Yuji, he tells him that they are not dead yet.
Sukuna proposes to bring Yuji back to life, with the condition that he will be able to take complete control of his body for a minute, but also swearing he won't harm any of his friends when he does. Yuji rejects and tells him just to revive him, so Sukuna proposes that they fight and the winner get their deal. Yuji accepts, but Sukuna immediately defeats him. Yuji is subsequently revived, aware that Sukuna is responsible, though with no memory of the deal he made with him.
=== Vs. Mahito Arc ===
One of Sukuna's fingers was placed in Junpei Yoshino's home, which resulted in Junpei's mother, Nagi Yoshino's death. Mahito then shows Junpei the finger and explains how it draws in cursed spirits. Mahito also manages to convince Junpei that it was one of his classmates who was responsible, even through it was in fact Mahito and Geto.
When Junpei slowly dies from Mahito using his Idle Transfiguration on him, Yuji desperately asks Sukuna for help in saving Junpei, but Sukuna sadistically refuses and mocks Yuji for relying on him when things get tough. Sukuna and Mahito then laugh at Yuji for being unable to save Junpei from his cruel fate. This would result in an enraged Yuji trying to finish off Mahito to avenge Junpei's death.
During the fight, Mahito tries to attack Yuji with his Idle Transfiguration, but Sukuna appears, warning Mahito not to touch his soul again and forces the curse out of his territory. However, Mahito taps into Sukuna's again upon witnessing Yuji breaking into his domain to help Kento Nanami. Sukuna senses that Mahito has touched his soul again and brutally wounds him for attempting to mess with him. Sukuna's finger is then collected and brought back to the college.
=== Kyoto Goodwill Event Arc ===
The fingers that are at the Tokyo college are collected, along with the Death Painting Wombs 1-3, by Mahito.
=== Death Painting Arc ===
After Sukuna was incarnated, the finger at Yasohachi Bridge awakens and starts to kill people. Megumi manages to defeat the spirit that has Sukuna's finger and retrieve it, which Sukuna is glad that Megumi was able to get stronger. After Yuji and Nobara Kugisaki reunite with Megumi, Sukuna creates a mouth on Yuji's palm and eats the finger when Megumi gives it to Yuji.
Days later, Sukuna taunts Yuji about how his awakening is killing people because he had eaten one of his fingers, which Yuji simply tells Sukuna to not to tell Megumi.
=== Shibuya Incident Arc ===
As the Shibuya Incident occurs, Gojo is sealed in Prison Realm by Pseudo-Geto, and the next step for the cursed spirits is to deal with Yuji and Sukuna. Mahito and Choso want to kill Yuji for their own reasons, but Jogo wants to release Sukuna. They decide to make it a game to see who succeeds in their goal.
After Yuji's fight against Choso, Sukuna comments on how pathetic it was that Yuji could have lost to an inferior opponent, but is surprised when he suddenly stumbles away, sparing his life and leaving him unconscious.
Right after this, Suguru Geto's subordinates, Nanako Hasaba and Mimiko Hasaba, approach Yuji and force feed him one of Sukuna's fingers they had collected. Jogo then appears behind them, scaring them away, and proceeding to force feed him the ten fingers they had collected, bringing the total Yuji has ingested to fifteen.
While Jogo still has his fingers around Yuji's neck, Sukuna takes control, demanding the cursed spirit to take them off. He commands the three to kneel before him, and cuts off the top of Jogo's head when he only takes a knee. Sukuna asks Nanako and Mimiko what they want with him, giving them one finger's worth of time. They ask him to kill the imposter possessing Geto, but he simply kills the both of them, as he doesn't like them ordering him around.
Sukuna then asks Jogo, but Jogo says that he wants nothing and explains how he just wants Sukuna to be fully revived. Jogo explains how Yuji can't take control right now and advises that Sukuna make a binding vow to permanently take control, but Sukuna rejects it since he has other plans. Out of appreciation for the fingers, Sukuna then makes a deal with Jogo: if he can land a hit on him then he will kill everyone in Shibuya (minus one), which Jogo agrees to.
Sukuna then fights Jogo and completely overwhelms him. Sukuna taunts Jogo, while easily dodging all of his attacks. As Jogo uses his Maximum: Meteor attack, Sukuna notices several sorcerers and curse users on the ground preparing to flee. He suddenly appears before them and forces them all to stay put until he gives the signal. They all stand around fearing for their lives as the attack gets closer, before Sukuna eventually allows them to move right as the attack lands.
Jogo thinks he's succeeded, but Sukuna easily comes out of it unscathed. Sukuna wonders why Jogo is not using his domain, which Jogo says that his domain would lose. As things get interesting, Sukuna starts to use fire based attacks much to Jogo's confusion. Sukuna prepares to continue his fight with Jogo and subsequently defeats him.
As Jogo is dying, Sukuna meets with him and explains how it was stupid for Jogo trying to be like the humans. As Jogo agrees with him, Sukuna also explains how he had fun fighting Jogo and that he should be proud because he was strong. Jogo starts to cry and wonders what it is, which Sukuna says that he doesn't know. Suddenly someone shows up to escort Sukuna, which he wonders who they are, only to recognize the person as Uraume. Suddenly, Sukuna senses that Megumi has summoned a powerful shikigami, and tells Uraume that he has something to do. Sukuna tells Uraume that it won't be long until he is completely free, and that Uraume shouldn't neglect their preparations; he bids them farewell and leaves.
Sukuna quickly arrives at the shikigami's location and saves the sorcerer that was facing off against Megumi. Sukuna notices the situation and thinks about how it was a good idea to save them since his death would result in Megumi's death as well. Sukuna heals Megumi and tells him to not die yet since there is something that he needs Megumi to do still. Sukuna thinks about how he'll defeat the shikigami, then that would void the ritual since he is an outsider. Sukuna then prepares to face the shikigami.
Mahoraga attacks with its sword, which Sukuna manages to block. Sukuna then wounds Mahoraga with his technique and figures that Mahoraga's sword is capable of exorcising any spirit since it uses positive energy. Mahoraga heals itself, which Sukuna attacks again but Mahoraga manages to counter it. Sukuna figures that Mahoraga is capable of seeing his technique. Mahoraga attacks which Sukuna tries to block but is sent flying. Mahoraga attacks again but Sukuna dodges and wounds Mahoraga.
Mahoraga heals itself again, which Sukuna figures that Mahoraga's ability is to adapt to any and all phenomena. Sukuna thinks about how this is what Megumi was trying to summon in their last fight, and that Mahoraga would have killed him. Sukuna then activates his domain: Malevolent Shrine, and uses its effect to cut up everything within a certain distance. While this is happening, Sukuna thinks about how to use his ability to defeat Mahoraga. When Mahoraga starts to heal, Sukuna uses a different ability to defeat Mahoraga.
Sukuna starts to leave, and tells Megumi's attacker to leave, in which the attacker runs into Sukuna's domain and dies. Realizing he's about to lose control of the body to Yuji, Sukuna quickly takes Megumi to get medical treatment and leaves. Returning back at the location where he had fought Mahoraga, Sukuna tells Yuji to take a look at all the destruction he caused, as Yuji takes back control, horrified by it all.
As Kenjaku unseals all Cursed Objects, and starts the Culling Games, the Finger sealed within Yuji Itadori at birth, is unsealed and taken in by Sukuna.
=== Itadori's Extermination Arc ===
In the aftermath of the Shibuya Incident, following Gojo's concealment and Pseudo-Geto's escape, Yuji's execution by the jujutsu higher-ups is reinstated, with his executioner chosen to be Yuta Okkotsu. He confronts Yuji on the streets, who has been trying to clean up curses with Choso, and proceeds to fight him. Using Rika, Yuta is successfully able to gain the upper hand and stabs Yuji in the chest. Sukuna is initially taken back, annoyed that he has been killed, only to sense something else going on, and eerily smiles.
As it turns out, Yuta had been asked by Gojo to help Yuji, and temporarily killed him to get out of his Binding Vow with the higher-ups, using his Reverse Cursed Technique to promptly heal him.
=== Culling Game Arc ===
As everyone is in the midst of dealing with the Culling Game, Yuji and Megumi seek out Hana Kurusu, in hopes of using her Cursed Technique to free Gojo from the Prison Realm. They succeed in finding her, but her symbiotic partner, Angel, tells them that first they have to track down and eliminate "the Disgraced One". In private, Sukuna reveals to Yuji that he is the Disgraced One they are referring to, causing a problem for him and Megumi.
After Master Tengen becomes compromised by Kenjaku, Yuji and Megumi begin their attempted counter-plan, starting with rescuing the latter's sister, Tsumiki, from having to participate in the game by giving her points. However, right after doing so, she uses her points to allow people to freely travel through colonies, revealing herself to actually be a reincarnated sorcerer known as Yorozu, leaving Megumi completely speechless.
She flies away, intending to fight Sukuna, but before everyone can react, Sukuna activates his "Enchain" Binding Vow with Yuji, granting him complete control of the body without being able to harm anyone for a full minute. He quickly knocks Hana unconscious, and taking a gamble, rips off one of Yuji's fingers. Sukuna laughs manically realizing that Yuji didn't take himself into account on who he couldn't harm, and before Megumi can do anything, he chokes him out, force-feeding him the finger, and transferring his consciousness into Megumi. 
Yuji wakes up, shocked to see Sukuna now in complete control of Megumi. Sukuna punches Yuji, causing him to spit blood and fly through several buildings. He spots Maki and Takaba noticing what just happened, and comments that no matter what era he is in, insects always appear out of nowhere. He uses Megumi's Ten Shadows Technique to summon a huge and demonic version of Nue, which drops massive lightning bolts on Maki and Takaba. While Sukuna is not paying attention, Hana sneaks up behind him and attacks him with her Cursed Technique, which burns Sukuna and causes his skin to tear, while she activates Jacob's Ladder, leading him to be hit by a massive beam of light.
As he screams in pain, Hana shouts to Sukuna to bring Megumi back because he belongs to her. Suddenly, Sukuna's tattoo on Megumi starts to fade and he speaks to Hana in a charming voice saying that everything is fine and he invites her for a hug. Hana listens and lets down her guard, accepting "Megumi's" request despite Angel's warnings. Sure enough, Sukuna was merely pretending to be Megumi and uses the opportunity to bite down hard, calling her a stupid person, and dropping her towards the ground.
Just then, Yuji re-appears jumping off the ground and landing on a building next to Sukuna, causing him to mockingly comment that Yuji is still alive. Yuji jumps off the building with so much force that the roof of the building is destroyed. Sukuna is shocked by Yuji's sudden increase in strength and they both grab each other by the neck and fall off the building. They both land on the ground unharmed, as Yuji kicks a huge rock towards Sukuna, which he trees to stop only for Yuji to grab another and smash it on Sukuna's back.
However, the attack had no effect on Sukuna, who kicks Yuji in the face, trying to understand how Yuji has been able to take so much punishment, commenting on how "twisted" Kenjaku is, having deduced something in regards to the two's familiar relationship. Yuji yells at Sukuna, asking him why he and his allies can't just live a normal life without causing harm to others, but Sukuna cuts Yuji's shoulder with "Dismantle", asking Yuji why such weak creatures cling to life so fiercely, comparing humans to insects and saying that creatures that fall apart at a touch can never be happy and that they should just swallow the suffering that life causes them.
Yuji realizes from Sukuna's words that Sukuna and his allies are curses and always will be, so stands up and asks Sukuna if he can swallow his suffering. Sukuna tells Yuji to try, and he begins to beat Yuji relentlessly with "Cleave", but to his shock, Yuji keeps moving despite Sukuna's attacks. Sukuna at first wonders how Yuji is so sturdy, but then realizes his cursed energy output is dropping because of Megumi, cursing him as Yuji is able to land a punch directly on Sukuna.
Sukuna realizes that due to Megumi's influence on his cursed energy dropping, he won't have access to 10% of his maximum power, but since Megumi is unable to affect the control over the body, Sukuna is confident the power he currently has will be more than enough to comfortably kill Yuji. As he gets ready to fight again, he suddenly notices Maki's presence and realizes that Nue's haphazard attack didn't do any damage to her, and that she is not a small fry like he assumed. Yuji and Maki proceed to attack Sukuna at the same time, but Sukuna is handle both of them very efficiently, keeping the fight at a stalemate. Eventually, Uraume interrupts the battle and uses Frost Calm on Yuji and Maki to freeze them completely. Sukuna praises Uraume on their achievement, summoning New to fly with them over towards "the bath". Yuji manages to break free from the ice and calls out to Sukuna, but he and Uraume just look down at him, making fun of his face as they laugh and fly away.
Sukuna proceeds to take a bath set up for him by Uraume and Kenjaku, submerging himself in curses and other "evils" in order to completely submerge Megumi's soul, granting him full control of his body and curse energy. Realizing he is not fully submerged, Sukuna decides to go and kill Yorozu, because if he can kill Megumi's sister, he knows that will completely drive Megumi into despair. He arrives in Sendai where he swiftly kills Ryu Ishigori who had attempted to confront him, complementing his toughness. He then confronts Yorozu, who had been waiting for him, all for her desire to get him to accept her love. 
After a mostly one sided battle Sukuna kills Yorozu using the Ten Shadows, and also killing Tsumiki Fushiguro and in a way that made it seem like Megumi killed his sister because he used his cursed technique, making Megumi's soul sink deeper into the abyss and strengthening the control over his body. Sometime after his fight with Yorozu, Sukuna blocks an attack from Gojo Satoru that was meant to kill Kenjaku, and the two agree to a duel on December 24th. After this exchange Sukuna eats the rest of his fingers that was given to him by Uraume and he replaces the final finger with his mummified real body from the heian era while commenting on how ironic it is to Tengen. 
=== Shinjuku Showdown Arc ===
On December 24th Sukuna briefly had a conversation with Uraume regarding why Yuji had traces of his soul, Sukuna revealed to them that Yuji was not only Kenjaku's child but also the son of his other half and reiterated that the boy had one of his fingers sealed within him upon his birth. Afterward's Sukuna engaged in battle with Satoru Gojo,the battle starts with Satoru hitting Sukuna with a 200% Powered Hollow Purple, burning off his arm. Trading insults on the challenger of the fight, Sukuna and Gojo begin the fight by warming up, Gojo throwing Sukuna around with Blue and Sukuna responding by cutting a building nearby Gojo before they cause lot of collateral damage upon clashing attacks to which he comes out of unscathed. 
Eventually both Gojo and Sukuna open their domain expansions, Unlimited Void clashing with Malevolent Shrine. While the two domains prove equally strong and refined, Malevolent Shrine's range of attack reaches even beyond Gojo's barrier and is able to eventually destroy Gojo's barrier, immediately causing the Malevolent Shrine's sure hit effect to slash Gojo's neck. Gojo survives by healing himself using reverse cursed technique, but as Malevolent Shrine keeps attacking Gojo, he is forced to focus his full output on reverse cursed technique as he is slashed all over his body. Gojo tries to run away from Malevolent Shrine's range, but Sukuna quickly starts engaging him again, with Gojo just managing to fend off the King of Curses as he notices that the center of Malevolent Shrine is Sukuna himself and not the Shrine. Gojo uses New Shadow Style: Simple Domain to counter Malevolent Shrine's effects, buying him the time to properly heal the cuts he received, but as the Simple Domain is quickly torn apart, Gojo stops healing himself and uses Simple Domain to fight off Sukuna long enough to use reverse cursed technique to replenish his burned out cursed technique. He quickly latches himself into Sukuna and uses Red on Sukuna, sending him flying into the shrine, as he fully heals himself.
Sukuna then gets taunted by Gojo to use his maximum range as he stands a few meters outside of the range of Malevolent Shrine, as Sukuna immediately grants Gojo his wish, Gojo opened his domain once again, this time reversing the outer and inner conditions of his domain barrier to make Unlimited Void's outer shell strong against attacks from the outside. They engage in hand-to-hand combat with Sukuna using Domain Amplification at higher output than before, but Gojo quickly notices that the effect of Malevolent Shrine was turned off within his barrier, along with realizing that Sukuna had focused the full strength of his sure-hit effect on the outside while he engaged Gojo in close-range to avoid the sure hit of Gojo's domain, countering the now stronger barrier allowing him to once more shatter Gojo's domain. However, now prepared for such a scenario, Gojo immediately activates Falling Blossom Emotion to defend himself and is able to weaken the slashes of Malevolent Shrine, as he muses on how he learned it as a child and while he didn't need to use it after mastering his domain, before he then expands his Domain once more, at first enlarging the barrier to encompass all of Sukuna's range before he then shrinks the barrier to a size smaller than a basketball using his experience in the Prison Realm.
Although Sukuna responded by reducing Malevolent Shrine's range to increase his cursed technique's output, this time Gojo's reinforced outer shell proved able to withstand Malevolent Shrine long enough to injure Sukuna to the point he wasn't able to maintain his domain, collapsing Malevolent Shrine as well. However, despite finally getting back at the King of Curses, Gojo starts to consider Sukuna's lack of usage of the Ten Shadows inside Unlimited Void, specifically Mahoraga, although he soon gets nose bleed and starts to feel dizzy. Still, both of them activate their domain and yet again, Gojo proves to be stronger in fighting inside a domain as he injures Sukuna's face and both Sukuna's and Gojo's domain breaks at the same time. On the next time they open their Domain, Gojo was able to cast his slightly faster than Sukuna to hit Sukuna with Unlimited Void for just 0,01 seconds, which weakened Sukuna and Malevolent Shrine, allowing Gojo to finally overpower Sukuna's domain decisively and shatter it, fully exposing Sukuna to Unlimited Void. To capture Sukuna, Gojo aims to destroy not only Sukuna's heart, but also his lungs and liver, in order to effectively incapacitate him by bringing him closer to death than Yuji was at the juvenile detention center.
However, Sukuna manages to summon Mahoraga and Mahoraga reveals it's adapted to his Domain as Gojo fails to destroy it in one shot using Red. Stunned, Gojo analyzes the situation and realizes Sukuna had used Megumi's soul to bear the burden of adaptation for Mahoraga. The strain of healing his burned out cursed technique catches up to Gojo as he nose bleeds and collapses due to essentially having burned the right prefrontal cortex and then healing it, leaving him unable to open his Domain to one-shot Mahoraga, but Sukuna too has sustained a similar degree of damage to his brain due to taking Unlimited Void just briefly, leaving them both at the situation where they cannot use their domain expansion. Gojo taunts Sukuna before he and Sukuna engage in the second round of their fighting, Gojo opening the next round by striking Sukuna using Blue.
As the fight continues, Gojo uses Blue to manipulate the environment against Sukuna as he tries to land decisive blows using hand-to-hand combat, but Sukuna is able to keep up with him and use Domain Amplification to force him back. Unfazed, Gojo deduces Domain Amplification blocks out Mahoraga's adaptation and after a brief exchange, he deduces Mahoraga needs three more spins to adapt. Confidently declaring he will kill Sukuna before that happens, Gojo starts to intensify the rythm as he begins to take a visible advantage, using Blue in various ways and managing to land some effective shots in hand-to-hand combat before using Red. Even though Sukuna uses Domain Amplification to neutralize the output, Gojo, already anticipating it, has Red circle around the building's layout to catch Sukuna off-guard and have it explode on his back. This allows Gojo to land a Black Flash that actually knocks Sukuna out, causing Mahoraga's wheel to fall, only for Mahoraga's wheel to still spin and the Shikigami is summoned to slash at Gojo's chest.
Despite the presence of Mahoraga and his dwindling cursed energy output, however, realizing that he wasn't actually guaranteed to win this fight only made Gojo more determined as he recalls Toji. He manages to stun Mahoraga, but before he could launch a full-charged Red, Sukuna regains consciousness and uses Rabbit Escape to make him miss his aim. As he engages Mahoraga, he withstands Sukuna's Max Elephant mimicking Piercing Blood, realizing that Sukuna is now freely using the 10 Shadows as Mahoraga can now pierce through his Infinity. Sukuna summons Fusion Beast Agito to make the fight 3-on-1. Although outnumbered, Gojo manages to avoid Mahoraga and Agito's attacks while also reacting to Sukuna's attempt to surprise him before launching Red, but it proves inefficient with Gojo's output weakened and Mahoraga having began to adapt to it. Gojo realizes he has to take out Mahoraga in one shot, even though he will require some time to charge up his Unlimited Hollow technique and his opponents are trying to disrupt the process. He manages to deliver attacks on Agito, even ripping off it's tail with a Black Flash, but it quickly regenerates as Gojo realizes Agito combines the power of Round Deer, Mourning Tiger, Great Serpent and Nue, which means he has to destroy it one shot due to it's reverse cursed technique meaning it can not only heal himself, but also Sukuna.
However, as Gojo focused on Agito, Mahoraga channels Sukuna's cursed technique to cut off his right arm, and Sukuna alongside Mahoraga briefly pummels Gojo but Gojo, having had enough of Agito, unleashes Blue at maximum output to crush Agito completely. Performing two Black Flashes allows Gojo to sharpen his output back and regain his arm, and after landing two more Black Flashes on Mahoraga, he proceeds to chant incantations to power up Red further, but rather than aiming it at Sukuna, Gojo aims the cursed technique reversal above to fuse it with the previous Maximum Output Blue that crushed Agito. He manages to intercept Mahoraga's attempts to cancel out Blue through Blue's high-speed movement, and though Sukuna attempts to launch Piercing Blood, Satoru simply chants a few more incantations that greatly amplifies Blue's power, allowing it to absorb Piercing Water as it fuses with Red. The strengthened Purple destroys Mahoraga and a major part of Shinjuku in a massive explosion of cursed energy while critically injuring both Gojo and Sukuna and tearing off one of the latter's hands.
After the battle continues, Sukuna slices through Gojo's arms and torso, defeating and killing Gojo by cutting into the space, although he congratulated him for his efforts. Afterwards Hajime Kashimo rushes to engage in combat with Sukuna, as he comments for him to not disappoint. As he battles Kashimo, he reveals Yorozu's gift to him. The Kamutoke, a cursed tool that discharges electricity. He eventually gets overpowered by him due to his cursed technique, forcing Sukuna go back to his original form due to the injuries he recieved from his fight with Gojo. Sukuna easily overpowers Kashimo, beating him down with his four arms. He begins chanting as he uses Dismantle as Kashimo comments that it was the slash that finished Satoru Gojo, it was a slash that "cut the world". Sukuna mentions that a fool once preached to him about love and that she claimed that he didn't know love. Sukuna says that she could've done better preaching to Kashimo or Gojo. Although Sukuna says that there's not much they can understand. He asks if Kashimo was strong and begins repeatedly punching him again. As Kashimo gets blown away by Sukuna's attacks, Sukuna begins to use his slashing attacks and shapes it like a grid to cut down Kashimo, killing him.
After his fight with Kashimo, Sukuna sees Yuji and Higuruma jump down the sky, ready to fight him. Suddenly, Mei Mei's crows attack him but get easily killed with the Kamutoke. This was a distraction however, as Higuruma smashes his Gavel on the ground as Sukuna dodges it. Yuji begins to attack him with a flurry of punches but gets easily blocked. He punches Sukuna one more time with his enhanced arm, surprising him. Higuruma then uses his domain expansion, Itadori says to redo his original trial but with Sukuna involved and then he can be prosecuted for the slaughter in Shibuya. Higuruma however, says that his domain expansion's three tiers are random but if he requests for a crime already adjudicated and include Sukuna as a codefendant, it isn't impossible to continue the trial for the same crime. 
As the sentence continues, Judgeman accuses Yuji for the mass murder in Shibuya. However, Higuruma states that he didn't kill anyone and that his previous confession in high court was false which was motivated by a strong sense of personal accountability. He then states that the real culprit was Sukuna. He also stated that Judgeman has knowledge of everything about the individuals within his domain. However, apart from the evidence in his envelope, none of it was shared with him. It is also revealed that the evidence given by Judgeman concerned Sukuna even while he was inside of Yuji, just like the previous trials did since the details and facts surrounding him taking over Yuji's body along with his actions were well documented. The massacre in Shibuya was only possible because of Sukuna's immense skill in jujutsu. As long as Sukuna isn't judged at the time of the incident or to have a mental deterioration such that he can no longer be charged criminally, they should be able to secure a Death Sentence with the evidence. 
Sukuna interrupts Higuruma, stating that the evidence was not necessary and tells the lawyer to not be so long winded. Sukuna replies that he already knew the rules of the domain when he was inside of Yuji. He also states his interest in the Executioner's Sword. He said he didn't care less about his actions or when he did them and tells them to hurry up. Judgeman then charges Sukuna guilty with Confiscation and the Death Penalty. After the verdict Sukuna begins fighting with Higuruma and Yuji along with the sorcerers Takuma,Kusakabe and Choso, Sukuna muses to himself about the growths of these sorcerers cursed energy and decides to pick up the pase. Sukuna begins impaling Choso's torso and kicks away Takuma and finally throwing away Higuruma into various debris, fascinated with Higuruma's growth in particular. Sukuna now greatly impressed with Higuruma's cursed amplification acknowledges the sorcerer and continues the fight, dispatching Yuji again writing him off as boring, Sukuna then uses dismantle to cut off both Higuruma's arms, testing if the sorcerer can use Reverse Cursed Technique. Sukuna then deflects a ranged cursed blood manipulation technique from Choso, realizing he must still be alive, Higuruma then heals his arm to strike Sukuna with the executioner sword only for Sukuna to cut off one of his hands before the technique could work on him, then striking Higuruma with a lethal blow, before he passed on Higuruma tosses the last of the executioner sword to Yuji, entrusting him to defeat Sukuna. 
The executioner sword however failed to work due to Higuruma's death, he then slashes Yuji away not before noticing two sorcerers taking Higuruma's body and teleporting away. Sukuna sees this and comes to the conclusion that this teleportation technique was likely the reason why Gojo's corpse disappeared earlier, realizing the possibility that their wounded might be being transported to Shoko Ieiri, but he brushes off the idea due to knowing her Reverse cursed technique is weaker than his and Gojo's, and deduces that Yuji has also managed to learn reverse cursed technique in only a month, evident by his injuries being healed. Sukana then gets lost in thought with vague feelings of irritation and non satisfaction decides to utilize Kenjaku's backup plan to activate the merger with Tengen and humanity to completely crush the sorcerers ideals, with Yuta Okkotsu and Rika arriving to the sorcerers aid. Yuta and Rika engage in combat with Sukuna with Yuta then decides to act on his own plan, activating his domain "Authentic Mutual love" forcing Sukuna to use Hollow Wicker Basket to avoid being hit by the domains cant miss attack (which he deduces is Angel's technique).
Sukuna deduces that while Yuta attempts to wear him down Yuji will then deliver a blow to forcibly separate him from Megumi's body with him finding their roles amusing. Sukuna then goes back on the offensive fighting the three, thinking to himself on how he cant use his domain or his full reverse curse technique output, as Rika throws Yuji at Sukuna, he figures out that Yuji and Yuta are targeting the boundary of his and Megumi's soul to separate them. Yuta the uses Thin Ice Breaker launching Sukuna at Rika, who then lands a blow knocking him into the rubble, Sukuna then retaliates with a slash at both Yuji and Yuta and then kicks and cuts off Rika's fingers. Sukuna notices that Yuji and Yuta both heal themselves and notes on how their cursed energy has grown significantly better prompting him to ask what they've been up to for the past month, with Yuta claiming he "cheated" while Yuji states it was through hard work. Yuta then fulfills the conditions for Ink and predicts Sukuna's next move to counter it, afterwards it is then revealed Yuta copied Sukana's own technique "Cleave" and uses it on Sukuna making him openly shocked. 
Sukuna realized from Yuta that Rika ate the last of his cursed fingers, and is then struck repeatedly by Yuji. Sukuna then retaliates with slashes to the boy's chest, making Yuji spit up blood in his face. Yuta, Rika, and Yuji then apply more pressure causing Sukuna to begin dropping his hollow wicker basket in an attempt to use the world cutting slash, Yuta however realized what he was about to do, while Rika and Yuji held his arms, Yuta went to tear out his second tongue. Sukuna used a slash on Yuta but they were significantly more weakened, Yuji's spat up blood then erupted onto his face and his fourth arm was cut, allowing the domain to activate Jacob's Ladder , Yuji was then able to access the barrier of Megumi and Sukuna's soul only to learn Megumi had lost his will to leave, Sukuna then took this chance to use the World cutting slash, slicing straight through Yuta and Rika while also severely cutting through Yuji. Though while he was distracted Maki Zenin entered the domain to stab through Sukuna with the Split Soul Katana. After Yuta was transported back to HQ by Ui Ui, Sukuna set his sights on Maki as the two engaged in battle. 
Maki appeared to get the upper hand on Sukuna, avoiding his attacks and even tossing him into debris, he then decided to launch a "world cutting slash" that was also dodged by her. Sukuna noted to himself that like Mahoraga, Maki could read his attacks better than other sorcerers, she then commented on how Sukuna was relying on cursed energy to keep his hear beating and if he could keep that up during their fight. Sukuna bluntly told her it would be no trouble as he prepared to unleash more havoc. Sukuna begun to fight her once more, slashing through more debris and tossing cars at Maki who then dodged them, Sukuna then sends a slash at Maki sending her into a building. Sukuna then spotted Takuma attempting to attack him, proceeding to slash and kick the sorcerer away. Sukuna then realized Takuma did not have Nanami's cursed tool on him and blocked Kusakabe who attempted to strike him from above, Maki then caught up to him and launched Sukuna into another building using force of her weight to push him back. She then kicked apart columns toward him, however Sukuna manages to grab gold of her face cleaving off a part of it, commenting it on how she wasn't like Yuji and became fascinated with Maki's heavenly restricted body that defied the basis of jujutsu. 
He proceeded to explain the basis of Jujutsu and how her existence defied it, then congratulating her on being the first person to give him something to prove; whether Jujutsu or a heavily restricted body was worth honing, Sukuna then hit Maki in the chest with a Black Flash sending her away, while awaiting a fight with Kusakabe. Sukuna then became curious of Kusakabe's sword drawing and threw multiple slashes that were intercepted by the sorcerer, with Sukuna being notably impressed on his reflexes. Sukuna then activated a slash without using any hand signs that were narrowly avoided, mockingly declaring that the next one would hit Kusakabe. Kusakabe then expanded his simple domain to pile on multiple attacks on Sukuna, as the two brawled Kusakabe attempted to use Hazy Moon to pierce the King of Curses heart but the blade was easily caught before it could land. Sukuna then slashed through Kusakabe ultimately defeating him but grew quickly annoyed at Ui Ui who attempted to teleport yet another defeated sorcerer, deciding to kill the boy on the spot. However Miguel arrived in time to save the young sorcerer leaving Sukuna clueless to who he was. Sukuna notes that Miguel and namely Larue are why Ui Ui was saved in time and engaged in battle with the two, slashing through Larue's Heart Catch while throwing slashes at Miguel only for them to be dodged.
Sukuna notes Larue's technique is not that special but is intrigued by Miguels innate technique: Prayer Song, as they continue to fight Sukuna spots a Piercing Blood attack from Choso and dodges it, retaliating with a slash at his arms. Yuji then drops down on Sukuna focusing his attention to him now only for one of his arms to be cut off by a recovered Maki, as Yuji charges toward him Sukuna strikes Larue with his second Black Flash, seeming to recover his Reverse Cursed Technique usage. Sukuna then turned his attention back to Choso, Yuji, and Maki where upon fighting Maki, launched his third Black Flash onto her. Choso attempted to launch a Supernova on Sukuna who then managed to move faster than his own flying slashes hitting Choso with his fourth Black Flash, who then managed to reduce some of the damage with his blood armor. Yuji rejoined the battle and separated Sukuna from Choso taking over the fight, Yuji then used Piercing Blood for the first time on Sukuna. 
Yuji then readied himself to launch his own Black Flash on Sukuna, at the same time Larue activated Heart Catch on Sukuna's heart that forced him into keeping his eyes on Larue long enough to allow Yuji to strike the king of curses with a Black Flash. Sukuna then prepared to fight Yuji one on one but was struck with another Black flash from the boy. In return Sukuna retaliated and landed his fifth Black Flash, after gaining some distance he was able to confirm that Yuji indeed possessed both Blood manipulation as well as the king of curses own cursed technique, Shrine, seeing him use it for the first time. After striking Yuji with a slash he was hit by another Black Flash from the boy, thinking to himself that while the output of the newly awakened technique is low and overall inferior to his own, therefore a non issue; however the soul punching was a problem. At the same time Sukuna was hit by Takuma Ino's Ryu, but made quick work of the beast and subdued Ino, Yuji took this opportunity to hit him again with Black Flash, which lead Sukuna to questioning if the boy was trying to equal him. Sukuna retaliated with a blunt force and slash attack combo but realized it didn't phase Yuji, who then proceeded to hit Sukuna with another two Black Flashes. Sukuna grew furious with the boy but he was briefly distracted due to the 7:3 cursed tool that Ino managed to land on him leading allowing for Yuji to land yet another Black Flash on the King of Curses.
 
Due to the 7 Black Flashes that Yuji landed on Sukuna he was unable to recover reverse cursed technique; however the previous Black Flashes that Sukuna landed did enable him to recover a previously lost technique. With his back against the wall Sukuna activated an incomplete version of Malevolent Shrine with an open barrier that would only last for about 99 seconds . As the slashes pilled on to the sorcerer's in the area they were able to bare the brunt of its sure hit effect with Simple Domain, however after the Domains collapse Sukuna activated Divine Flame. Due to various binding vows Sukuna placed on himself to maximize Divine Flames speed and range (the conditions being it can only be used when he isnt outnumbered and only within his Domain), Sukuna was allowed to expand his flames and overall cursed energy to incinerate every living thing within his Domain. With Divine Flame's heat resulting in decompression and over-pressure within the Domain that would cause incineration like with Mahoraga in Shibuya, this plan would be his sure fire way of killing anyone in the Domain, Yuji, however was saved due to Choso's efforts at the cost of his own life. After the domain ceased and his cursed techniques being exhausted following, Sukuna goes to confront Yuji who was now backed up by Aoi Todo. 
Sukuna recognized that Todo's technique activation with a Vibraslap had changed and improved the technique in allowing for 50 swaps per second, Yuji and Todo used this to their advantage to strike at him. Sukuna thought to himself that out of every sorcerer Todo was the most difficult to deal with given his personality, admitting that he appeared to fight him at the worst time. Sukuna leapt in mid air but was position swapped once more allowing for Yuji to drop kick him, Sukuna then attempted to throw the boy but their positions were swapped again allowing for Yuji to land more blows. Sukuna accepted that due to Todo's control of swapping as much and as little as he wanted, that it would be impossible to adapt deciding instead to wait for the one moment where the swapping would be obvious. Sukuna assumed that at the height of Yujis focus, Todo would bluff a Boogie Woogie swap at that moment, with Sukuna preparing to strike the boy after the bluff. However at the same time Mei Mei's crow appeared in his vicinity, realizing that he misread the situation, Sukuna attempted to attack at the crows position before it could be swapped, in actually Sukuna had taken Todo's bait as the crow was merely there to trick the King of Curses into assuming a swap allowing for Yuji to hit him with Black Flash. As Yuji's fingers pierced through his chest, Sukuna attempted to activate his Domain only to be interrupted and caught off guard by someone else. To his shock the figure that appeared before him was the strongest sorcerer of modern day who he had slain earlier, Satoru Gojo.
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