Sukuna also known as Ryomen Sukuna, is one of the most compelling and terrifying characters in the anime and manga series Jujutsu Kaisen. Revered as the King of Curses, his power and influence have shaped the very fabric of the Jujutsu world. This article explores the origins, abilities, and impact of Sukuna on the storyline and its characters.

1. Who is Sukuna?
In the world of Jujutsu Kaisen, Sukuna is a legendary curse spirit with a fearsome reputation. He was originally a human sorcerer over a thousand years ago, notorious for his unmatched strength and brutality. After his death, his power was so immense that his body could not be completely destroyed. Instead, his 20 fingers, infused with cursed energy, became indestructible cursed objects. These fingers are the key to his potential resurrection.
2. Sukuna’s Role in Jujutsu Kaisen
Sukuna plays a dual role as both an antagonist and an unpredictable ally. He resides within Yuji Itadori, the series’ protagonist, after Yuji consumes one of Sukuna’s fingers to save his friends. Despite being bound by a pact that prevents him from directly harming Yuji without permission, Sukuna’s influence is ever-present, constantly challenging Yuji’s resolve and the sorcerers who aim to protect humanity.
3. Powers and Abilities
Sukuna is widely known as the most powerful curse in history, and his abilities justify this title:
- Immense Cursed Energy: Sukuna possesses vast amounts of cursed energy that allows him to perform devastating attacks with ease.
- Domain Expansion – Malevolent Shrine: His domain expansion is unique as it doesn’t form a barrier, affecting anything within its range with pinpoint accuracy.
- Cleave and Dismantle: These are his primary offensive techniques that can cut through anything, adjusting to the target’s durability.
- Regeneration and Adaptation: As a curse spirit residing within Yuji, Sukuna can rapidly heal both himself and Yuji, making him nearly invincible.
4. Character Design and Personality
Sukuna is depicted as a tall, muscular figure with two faces and four arms in his original form. In his current state, residing in Yuji’s body, he manifests with distinct facial markings and a sinister smile. His personality is cruel, sadistic, and highly intelligent. Unlike typical villains, he isn’t driven by any grand ambition but rather by sheer malice and the thrill of combat.
5. Sukuna’s Influence on Yuji Itadori
The relationship between Sukuna and Yuji is complex and pivotal to the series. Sukuna’s presence gives Yuji incredible power but also puts him in constant danger. Their uneasy alliance often forces Yuji to confront his morals, especially as Sukuna’s actions lead to devastating consequences. This internal conflict is a key aspect of Yuji’s character development.
6. Impact on the Jujutsu World
Sukuna’s power and potential resurrection are a major concern for Jujutsu sorcerers. His influence extends to other powerful curses and antagonists who seek his favor or fear his wrath. The quest to collect and seal his fingers forms a central plotline, driving the actions of both heroes and villains alike.
7. Why is Sukuna so Popular?
Sukuna’s popularity stems from his complex character design, formidable powers, and the mystery surrounding his past. His unpredictability keeps audiences on edge, as his motivations remain shrouded in secrecy. Moreover, his dynamic with Yuji provides a unique twist on the classic hero-villain relationship.
8. Conclusion: The Legacy of the King of Curses
Sukuna’s presence in Jujutsu Kaisen is not just as a powerful antagonist but as a character who challenges the very ideals of heroism and power. His legacy as the King of Curses continues to shape the narrative, leaving fans eagerly anticipating how his story will unfold.
Whether as an embodiment of evil or a symbol of raw power, Sukuna remains one of the most unforgettable characters in anime history.