what is yuta domain expansion

Yuta Okkotsu is a powerful character and Jujutsu Sorcerer in the anime Jujutsu Kaisen. It has been confirmed that he can use Domain Expansion, which is a special and powerful technique that enables the users to realize their innate domain by casting a barrier to create a separate space and using cursed energy to construct an environment within it. However, the details of Yutas Domain Expansion are still unknown. In Chapter 178 of the manga, three characters simultaneously activate their Domains, and among them was also Yuta Okkotsu, which confirmed that he can use Domain Expansion.