The Shinjuku Showdown Arc of Jujutsu Kaisen brought out some of the strongest characters in this series, but only a few stood above others with regard to their powers. The series features a wide range of strong characters, and one of them is Sukuna. Let’s break down how overpowered and strong Sukuna was and why no one could surpass him in Jujutsu Kaisen.

Sukuna stands as an overwhelming force of nature in the Jujutsu Kaisen anime. He not only has immense cursed energy and mastery over techniques, but he also possesses the cold, calculating mind of a predator, always observing and striking where it hurts the most.
Throughout the arc, Sukuna barely had a moment to spare as sorcerers continuously appeared one after another to challenge him. Despite being outnumbered, he faced each of them with his full strength. But how? Let’s break down the reasons why no one could ever surpass Sukuna in Jujutsu Kaisen.
Ryomen Sukuna Remained Fearsome Till the End

No matter the era, Sukuna remained dominant throughout his life. Sorcerers came and went, but none could surpass Sukuna’s overwhelming strength. Even during the final battle, Uraume mentioned that the sorcerers were lucky to be born thousands of years later, acknowledging that their victory was only possible because Sukuna had become a full-fledged curse.
This line is enough to describe how terrifying he was during the Heian era. A force so powerful that even centuries later, his presence and strength remained unmatched.
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Sukuna can be called the ideal sorcerer, as he excels in every area, from his deep understanding of jujutsu to his unparalleled strength. Unlike others, he studies his opponents’ cursed techniques and creates perfect counters for them.
A good example is when he defeats Gojo by using the World-Splitting Dismantle, which pierces through Gojo’s infinity barrier. To pull this off, Sukuna patiently waited for Mahoraga to adapt to Gojo’s Limitless.
Sukuna’s Key Cursed Techniques That Made Him the Strongest Sorcerer

One of the main contributing factors to Sukuna’s overpowered nature is his incredible pool of curse energy. This massive amount of curse energy allows him to unleash multiple cursed techniques without breaking a sweat.
This also helps him use reverse-cursed techniques to heal himself over and over. It turned out to be a key move during the Shinjuku Showdown Arc, where he fought a lot of opponents.
In the entire arc, Sukuna didn’t even get a single day to spare, as the sorcerers kept showing up one after another to fight him. Even with the odds against him, he faced them all with his ultimate might until Yuji figured out how to separate him from Megumi’s body in order to end his reign.
The Only Reason for Sukuna’s Defeat

It goes without saying that no one would have stood a chance against Sukuna if they had faced him during the Heian era.
The only reason the Jujutsu sorcerers managed to defeat him was because of his reincarnation using Megumi as a host, and his inability to retrieve his final finger. If Sukuna had regained his full strength from the Heian era without any limitations, he would have been an unstoppable disaster.
And so now you know why no one could ever surpass Sukuna until the very end.