This article contains spoilers for Jujutsu Kaisen and Jujutsu Kaisen Modulo. However, there is one grade reserved for the best of the best in JJK, and its Special Grade. With Rika taking over his body, Tsurugi is quite easily a Special Grade, since Rika herself is a Special Grade curse. Related Jujutsu Kaisen: Every Special Grade Curse, Ranked Special Grade curses are exceptionally powerful, and they can make short work of the best sorcerers. In either case, come the end of Jujutsu Kaisen Modulo, fans will definitely see him reach a high level of overall power.