Even though Ryomen Sukuna has turned out to be one of Jujutsu Kaisen’s most influential characters, the series has been surprisingly tight-lipped about anything to do with him. Sukuna’s backstory and exploits during the Heian era, cursed techniques and even his true motivations are still a mystery to fans and readers of Gege Akutami’s shonen sensation. The mysteries behind Sukuna have only added to his appeal, but in Chapter 238, some long anticipated answers about his true form have finally been revealed.
Source：https://www.cbr.com/jjk-chapter-238-sukuna-secrets/
