Why Did Sukuna Take Over Megumi? JJK Explained

Rushabh BhosaleOct 15, 2026

Major manga spoilers: This guide covers Sukuna's takeover of Megumi Fushiguro, the Culling Game, Tsumiki's fate, the fight against Gojo and the original manga's ending. Readers following only the anime should stop here if they want to avoid future revelations.

Sukuna chose Megumi because Megumi offered something Yuji Itadori did not: a body he could potentially control and the inherited Ten Shadows Technique. The King of Curses recognized Megumi's unusual potential early, waited until the right moment and used a binding vow to transfer himself into the younger sorcerer. The takeover was deliberate, not an accident or a friendly agreement.

The short answer explains the choice, but not the cruelty of the plan. Sukuna still needed to suppress Megumi's resistance, exploit his bond with Tsumiki and turn a powerful technique into a weapon against his enemies. Those steps reveal why the possession is one of Jujutsu Kaisen's most devastating betrayals.

Why was Sukuna interested in Megumi from the beginning?

Sukuna notices Megumi's Ten Shadows Technique long before the Culling Game. Megumi can summon shikigami through shadows, combine their abilities and use shadows for more than straightforward attacks. Unlike a technique built around one fixed move, Ten Shadows offers many tactical options. Sukuna sees possibilities that Megumi has not yet mastered.

That early attention is important because Sukuna is rarely impressed by other people. He does not behave like a mentor hoping Megumi will flourish. His interest is possessive and strategic. As the story progresses, it becomes clear that he has been evaluating Megumi as a possible vessel, not simply admiring his potential.

What makes the Ten Shadows Technique so valuable?

Ten Shadows is an inherited technique associated with the Zenin clan. Its shikigami include Divine Dogs, Nue, Max Elephant and other summons with distinct functions. Megumi also uses shadows for concealment, storage and positioning. This versatility makes the technique dangerous in the hands of a sorcerer with exceptional cursed energy and combat instincts.

Its most infamous summon is Mahoraga, a shikigami with an adaptation ability. Adapting to attacks can fundamentally change a fight, although it is not instant immunity to everything. Sukuna understands that a technique with this kind of ceiling could complement his own offensive abilities. Crunchyroll's overview of Megumi's summons provides useful background on the system.

Ten Shadows does not automatically make its owner stronger than every other sorcerer. Skill, output, tactical judgment and the ability to control the summons still matter. Sukuna's interest reflects what he thinks he can do with the technique, rather than proof that Megumi was already operating at its maximum.

Why did Sukuna want to leave Yuji's body?

Yuji is a remarkably effective cage for Sukuna. Although Sukuna can seize control under certain circumstances, Yuji repeatedly demonstrates the ability to suppress him. That is a serious problem for someone who wants to act without permission or interruption. Megumi appears to offer a better opportunity, provided Sukuna can overwhelm his will.

This is why the choice is not simply a comparison of raw physical strength. Yuji's unusual compatibility makes him a restrictive host, while Megumi brings a valuable technique and a different psychological vulnerability. Sukuna is choosing freedom of action as much as he is choosing new powers.

How did Sukuna take over Megumi's body?

The decisive turn occurs in manga Chapter 212. Sukuna invokes the earlier binding vow with Yuji using the command 'Enchain,' gaining temporary control of Yuji's body. He then concentrates his cursed presence into one of Yuji's fingers, removes it and forces Megumi to swallow it. This transfers Sukuna's incarnation into Megumi.

The moment is shocking because it uses a bargain made much earlier in the story. Yuji had agreed to a one-minute takeover with restrictions, and the exact wording of that deal creates an opening. The sequence is a reminder that in Jujutsu Kaisen, a bargain can be exploited by someone who understands its terms better than the other party. See our binding vows explained guide for the broader rules.

Megumi does not consent to becoming Sukuna's host. The possession is an assault on his autonomy, not a secret partnership. Chapter 213 immediately shows the consequences as Sukuna uses Megumi's body and begins wielding the Ten Shadows Technique with frightening force.

Did the binding vow allow Sukuna to hurt anyone?

The original vow involved a promise not to injure or kill others during the brief takeover. Sukuna exploits the wording and circumstances rather than gaining unlimited permission to attack everyone. Discussions of the scene often focus on Yuji not accounting for harm to himself. The important confirmed outcome is that the vow gives Sukuna the narrow opportunity he needs to carry out the transfer.

That does not mean every binding vow can be broken without consequences. The story treats these agreements as meaningful constraints, but Sukuna is unusually skilled at identifying loopholes. Readers should distinguish the particular loophole in this exchange from a general rule that promises never matter.

Why couldn't Megumi simply suppress Sukuna?

Megumi does resist. After the takeover, his interference limits Sukuna's effectiveness against people Megumi cares about. That resistance helps explain why Sukuna takes further measures instead of immediately declaring complete control. The conflict is not only physical: two wills are struggling over the same body.

Sukuna's advantage is his immense experience and his willingness to attack Megumi emotionally. The fact that Yuji could restrain Sukuna does not establish that any equally talented sorcerer could do so. Their situations are different, and Megumi is subjected to a calculated campaign to break his resistance.

What was the purpose of the Bath ritual?

In Chapter 216, Sukuna undergoes the Bath, a ritual designed to submerge Megumi's consciousness more deeply. It is a step toward stabilizing Sukuna's control, not a normal healing procedure or a way to unlock a friendly fusion. The ritual follows the takeover because Megumi's resistance has not disappeared.

The Bath alone is not the whole plan. Sukuna also understands that Megumi's emotional attachment to his sister, Tsumiki, is a vulnerability. He targets that attachment in a way that makes the possession much more than a contest of cursed energy. Our cursed energy guide explains the power system, but this stage is principally about crushing a person's will.

Why did Sukuna target Tsumiki?

Tsumiki's body has been taken over by the incarnated sorcerer Yorozu. Sukuna deliberately seeks a confrontation with her while controlling Megumi's body. His purpose is to make Megumi experience his sister's death through the very body being used against her, destroying his remaining hope of resistance.

VIZ's official description of Volume 25 explicitly identifies Sukuna's scheme to kill Tsumiki to secure complete control of Fushiguro. The manga's Chapter 219 makes the outcome especially painful. It is not a random casualty or a simple display of strength: Sukuna chooses an action calculated to devastate his host.

Did Sukuna take Megumi specifically to defeat Gojo?

Ten Shadows later proves pivotal in Sukuna's fight with Satoru Gojo, especially through Mahoraga's adaptation. VIZ's Volume 26 description highlights the role of Mahoraga in their clash. This makes the technique's strategic value unmistakable, and it helps explain why Sukuna considered Megumi worth taking.

However, saying that Sukuna knew every detail of his future battle with Gojo years in advance goes beyond what the manga establishes. The stronger conclusion is that Sukuna recognized a versatile, high-potential technique and later used it against a formidable opponent. For how their domain clashes function, see our Domain Expansion explainer.

Gojo's earlier removal from the battlefield also shapes the timing of the Culling Game. Our Gojo's sealing explained article covers Kenjaku's separate Prison Realm plan. Sukuna's takeover and Kenjaku's sealing scheme are related parts of the wider conflict, but they should not be treated as the same operation.

Was Megumi dead while Sukuna controlled him?

No. Possession does not mean Megumi immediately dies or ceases to exist. His soul and resistance remain relevant to the plot even when he cannot direct his own body. That distinction is essential: the tragedy is that Megumi is trapped within the consequences of another person's choices.

The story also complicates the idea that control is purely a question of strength. Sukuna's psychological attacks, the Bath and the events involving Tsumiki all matter because Megumi's will still matters. If Megumi were simply gone, Sukuna would not need to go to such lengths to suppress him.

Does Megumi eventually escape Sukuna?

Yes. In the original manga's final confrontation, Yuji attacks the boundary between Sukuna's soul and Megumi's, and Megumi's own resistance becomes important to their separation. VIZ's official Volume 30 overview describes Yuji's attempt to split the two souls. Megumi ultimately survives and returns to himself.

This outcome does not erase what happened to Tsumiki or the suffering Megumi endured. It instead completes a theme that runs through the takeover: Sukuna treats other people as tools, while Yuji continues to see Megumi as someone worth saving. The difference between those attitudes is as important as the mechanics of the final battle.

What is confirmed, and what remains interpretation?

Confirmed: Sukuna coveted Megumi's potential, used Enchain to transfer into his body, gained access to Ten Shadows, worked to suppress Megumi and exploited Tsumiki's fate. Confirmed too is the technique's later role against Gojo. Those events are supported by the manga and the official publisher's volume descriptions.

Interpretation begins when fans claim Sukuna always possessed perfect foreknowledge, that Ten Shadows was the only reason he could ever challenge Gojo, or that Megumi secretly welcomed the possession. The manga supports none of those claims as simple facts. Keeping the distinction clear makes the character's decisions more disturbing, not less.

The real reason Sukuna chose Megumi

Sukuna saw an escape from Yuji's control and a chance to claim one of the series' most flexible inherited techniques. He engineered the transfer, then attacked Megumi's body, abilities and emotional ties until resistance seemed impossible. The Ten Shadows Technique explains the opportunity; Sukuna's cruelty explains how he seized it.

That combination is why the takeover matters beyond power scaling. Megumi's gifts, which once made him a promising young sorcerer, become instruments of someone else's violence. The eventual fight to save him restores the human stakes behind the spectacle.