Satoru Gojo is one of the main characters in Jujutsu Kaisen and he plays an extremely important role as a teacher at Tokyo Jujutsu High, raising the next generation of sorcerers right and making them as strong as possible. Satoru himself is incredibly powerful, known to be the absolute strongest jujutsu sorcerer in the entire world. In the Gojo family, he's considered to be the most elite, having inherited powers that nobody else has.
Having the title of the strongest sorcerer in Jujutsu Kaisen, it is no surprise that Gojo Satoru has some incredible powers up his sleeve. While his usage of cursed energy and technique are both out of the world, one of his biggest specialties is his Domain Expansion, called Unlimited Void.
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To explain Unlimited Void, one of Satoru Gojo's very strongest powers, one needs to understand what a Domain Expansion is. Simply put, a Domain Expansion is an advanced technique that allows the user to erect a barrier around themselves and the target and create a completely new space which is considered to be the innate domain of the user. As expected, within their own domain the user is several times stronger. It is believed that the strength of every single cursed technique of theirs increases manifold and, at the same time, the techniques can't be avoided either.
Domain Expansions are generally believed to be the ultimate techniques of any jujutsu sorcerer, and to perform them, the user must embed the domain with their innate technique to give rise to this overpowered ability. To activate a Domain Expansion, a handsign is usually considered to be enough, and immediately afterwards, the domain expansion starts taking effect, ensuring that the user
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