Warning: Contains spoilers for Jujutsu Kaisen #119.
Ryomen Sukuna emerges as the undisputed King of Curses in Jujutsu Kaisen, primarily due to the formidable use of his Cursed Energy Technique. Cursed techniques are wielded by most of the jujutsu sorcerers and cursed spirits in the world of Jujutsu Kaisen, as they are a form of advanced jujutsu that grant users with user-specialized abilities. These techniques can be utilized in ways inherent to the user, including barrier techniques, shikigami, and domain expansion.
To understand Sukuna’s Cursed Technique better, it is crucial to grasp the basics of how cursed energy works. Jujutsu Kaisen's Cursed spirits are essentially birthed from cesspools of loss, fear, and despair, with the essence of these cursed energies fueling their respective abilities. Cursed energy can be used both as a weapon and a shield, although the efficacy of each technique is entirely dependent on the user. Being a 1,000-year-old cursed spirit, who once used to be a human sorcerer, Sukuna terrorized one and all during the golden age of jujutsu. His power traversed through the ages in his remains of 20 indestructible fingers. After Yuji Itadori consumes one of Sukuna’s cursed fingers as a means to save Megumi, Sukuna is incarnated, using Yuji as his vessel.
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Mirroring the trope of the sealed demon within — much like the figure of Kurama trapped inside Naruto Uzumaki - Sukuna shares his consciousness with Yuji and wreaks havoc whenever he gets the chance to assume control. While explicit details about the full extent of Sukuna’s powers are still shrouded in mystery, one of the first abilities revealed to audiences is his ability to
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