Jujutsu Kaisen's narrative moves at a breakneck pace, but even by its standards, the capture of Satoru Gojo inside the Prison Realm was a groundbreaking event for the series. The World's Strongest Sorcerer was the linchpin of jujutsu society, so his absence plunged Japan into absolute turmoil, putting figures like Kenjaku and Ryomen Sukuna on the verge of achieving their sinister goals. However, Chapter 221 finally saw Gojo escape his confines, and as evidenced by his subsequent actions, he still appears to be in peak fighting shape.
Source：https://www.cbr.com/jujutsu-kaisen-gojo-satoru-prison-realm-escape-kenjaku-apathy/
