According to the search results, Gojo Satoru is a character in the anime and manga series Jujutsu Kaisen. He was sealed away in the Prison Realm during the Shibuya Incident arc. While in the Prison Realm, Gojo acquired the ability to manipulate similar spaces and improved his control over the Blue and Red Curses Technique. In chapter 221 of the manga, Gojo is finally unsealed from the Prison Realm after a three-year-long wait. He is now back in action and more powerful and confident than ever before.