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Home/ Blog: Articles, Guides and advice! / Who is Sukuna? The King of Calamities...

Who is Sukuna? The King of Calamities in Jujutsu Kaisen

Published on October 29, 2025·Updated on August 17, 2026·By Antoine Brault

A French cosplay and manga goods shop since 2023. We try on the costumes we sell, and we write about the series we actually follow. About us.

Among curses and exorcists, one name echoes as a thousand-year-old threat: Ryomen Sukuna, also known as the King of Curses. His terrifying aura, cold intelligence, and immeasurable power make him one of the most striking antagonists in modern manga history.

Ryomen Sukuna at a glance
NameRyomen Sukuna
TitleKing of Curses
Era of originHeian era, over a thousand years ago
VesselsYuji Itadori, then Megumi Fushiguro
TechniquesDismantle, Cleave, Divine Flames
Domain ExpansionMalevolent Shrine
FateDefeated in Shinjuku by the allied sorcerers

Sukuna's Origins: An Exorcist Turned Curse

Sukuna, the King of Curses in Jujutsu Kaisen

Long before the events of Jujutsu Kaisen, Sukuna was a powerful exorcist living during the Heian era. He surpassed all his peers in his mastery of occult energy and the cruelty of his actions. Upon his death, his soul transformed into a cursed relic: his twenty fingers, each containing a fraction of his colossal power. These artifacts scattered throughout the world represent the last vestige of his reign of terror.

A Legend Inspired by Japanese Mythology

Gege Akutami was inspired by the mythological figure Ryōmen Sukuna, a two-faced, four-armed demon described in the Nihon Shoki. This creature was revered and feared, capable of wreaking destruction in its wake. In the manga, this inspiration comes to life through a fascinating character, both an ancient exorcist and a timeless curse.

The Relationship Between Sukuna and Yuji Itadori

Ryomen Sukuna, a thousand-year-old cursed spirit

It all begins when Yuji Itadori, a young exorcist student, accidentally swallows one of Sukuna's cursed fingers. From that moment, the King of Curses is reborn through him. But instead of fully possessing him, Sukuna cohabits in the same body, patiently waiting for the ideal moment to regain control.

A Constant Inner Struggle

Yuji battles daily against Sukuna's influence, aware that his body harbors an entity capable of ravaging the world. This duality between good and evil is at the heart of the plot, turning each of the hero's decisions into a moral dilemma. Sukuna, for his part, revels in human suffering, using fear and manipulation as weapons.

The Forbidden Pact

At a key moment, Sukuna manages to make a mystical pact with Yuji. This oath allows him to briefly regain possession of his host's body under certain conditions. This forced alliance illustrates the cunning nature of the King of Curses and his incredible ability to anticipate every move.

Sukuna's Power: An Extraordinary Force

Sukuna in the Jujutsu Kaisen anime

Each appearance of Sukuna reveals a little more of the extent of his abilities. His cursed energy is so powerful that it distorts the air around him. He wields cutting techniques capable of slicing matter itself and can summon destructive flames that even S-class spirits fear.

The Malevolent Shrine Domain

His domain expansion, called Fukuma Mizushi, materializes a sinister altar where his attacks become inevitable. Unlike other exorcists, Sukuna does not need a barrier: his domain extends freely, making his attacks unstoppable. It is this power that symbolizes his dominance over other curses.

A Complex and Fascinating Antagonist

Sukuna the King of Curses, the antagonist of Jujutsu Kaisen

Beyond his cruelty, Sukuna stands out for his intelligence and lucidity. He despises human ideals, considering morality an illusion. For him, only power matters. This philosophy aligns him with the greatest villains in manga, while giving him a unique psychological depth.

Sukuna's Impact in the Manga Universe

In every fight, Sukuna imposes a rare dramatic tension. His appearances mark the most intense moments of the series. His relationship with characters like Gojo Satoru or Megumi Fushiguro directly influences the destiny of the story, making him a central piece of the narrative.

A Symbol of Fear and Respect

In the Jujutsu Kaisen universe, even the most powerful curses recognize Sukuna's authority. Some seek to imitate him, others to avoid him. This duality between admiration and fear further reinforces his mythical aura.

Sukuna Cosplay: Embodying the King of Curses

Who is Sukuna? The King of Curses in Jujutsu Kaisen

Reproducing Sukuna's dark charisma is a challenge many fans take on through cosplay. Between the distinctive tattoos, the traditional kimono, and the character's cold gaze, every detail counts. This type of costume appeals to those looking for a powerful character to portray, halfway between exorcist and demon.

Completing Your Cosplay with the Right Accessories

For an immersive result, enthusiasts opt for cosplay accessories like rings, wigs, or ornaments reminiscent of the Heian era. Some even go so far as to add luminous elements or scar effects to reinforce the character's malevolent presence.

An Original Idea for Halloween

Halloween is the perfect occasion to bring Sukuna to life. His unsettling aura and dark aesthetic make him a formidably effective choice. By combining makeup, temporary tattoos, and a well-fitted costume, it becomes possible to embody the King of Curses with intensity.

FAQ, All About Sukuna

Who is Sukuna really in Jujutsu Kaisen?

Sukuna is a legendary ancient exorcist turned curse. After his death, his power was sealed in twenty cursed fingers scattered throughout the world.

Why is Sukuna called the King of Curses?

Because he dominates all cursed spirits through strength and fear. His occult energy surpasses that of any other known curse.

Can you cosplay as Sukuna?

Yes, he is a popular character for conventions and Halloween. You can find costumes inspired by his appearance and accessories to perfect the look on Bakashop.

What is the meaning of his name?

The word “Ryomen” means “two faces” in Japanese, an allusion to his dual nature: human and demonic.

To discover other powerful characters and their costumes, also explore our manga decorations and our cosplay wigs.

Capturing Sukuna's darkness is a challenge many fans take on with our Sukuna cosplay costume. Everything is in the details: the tattoos, the traditional kimono, the cold stare. This costume appeals to those who want to play a character of raw power, halfway between sorcerer and demon.

For a complete King of Curses cosplay, the Jujutsu Kaisen collection brings together costumes, rings and wigs from the manga.

Frequently asked questions

Everything you need to know.

Who is Sukuna in Jujutsu Kaisen?

Ryomen Sukuna est le Roi des Fléaux dans Jujutsu Kaisen, considéré comme le fléau le plus puissant de toute l'histoire de la sorcellerie jujutsu. Entité ancienne aux quatre bras et deux visages, ses doigts maudits dispersés après sa mort ont été ingérés par Yuji Itadori, faisant de ce dernier son réceptacle involontaire.

How powerful is Sukuna?

Sukuna est le personnage le plus puissant de Jujutsu Kaisen, disposant de techniques de domaine comme le Repas de Cendres, du Slash Déchirant et d'une maîtrise absolue du Jujutsu inversé pour guérir. En prenant possession complète d'un réceptacle, il peut anéantir des quartiers entiers en quelques secondes.

Is Sukuna the main villain of JJK?

Sukuna est l'antagoniste ultime de Jujutsu Kaisen, représentant la menace absolue pour les sorciers et les humains. Bien que contraint dans le corps de Yuji Itadori au début de la série, il cherche constamment à retrouver son vrai corps pour déchaîner toute sa puissance.

Where to buy Sukuna JJK derivative products?

Les produits dérivés Jujutsu Kaisen comme costumes cosplay de Sukuna, bagues, accessoires et vêtements anime sont disponibles sur Bakashop avec une livraison internationale partout dans le monde. Complétez votre collection manga JJK avec des articles inspirés du Roi des Fléaux.

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