Gege Akutami's acclaimed Jujutsu Kaisen is popular for several reasons, and its intricate lore is one of them. All-time classic shonen titles like Naruto, One Piece, and even Dragon Ball Z have cult-like followings because these anime take the time to create and expand their stories based on completely original concepts and phenomena. Even though seasoned anime watchers may disagree that JJK's lore is 100% original, its power system and metrics are unique. The distinct features of how sorcery works in the Jujutsu world are mind-blowing and so expertly detailed that one can't help but admit that Jujutsu Kaisen is genuinely a masterpiece.
Source：https://www.cbr.com/jjk-cursed-energy-explained/
