The episode establishes why Yuji is Mahito's natural enemy; as a vessel for Sukuna, Yuji is subconsciously aware of the soul's shape, allowing him to bypass Mahito’s defenses and strike his soul directly. Critical Reception Re-Watching Jujutsu Kaisen's First Season - Anime Rants
However, Mahito intervenes. In a brutal display of his technique, he transforms Junpei’s soul, turning him into a disfigured creature. Despite Yuji’s desperate pleas for Sukuna to heal his friend, both Sukuna and Mahito mock his helplessness, leaving Yuji to watch Junpei die in agony. Thematic Significance 12 : To You, Someday
Early in the series, Yuji strives to ensure people die a "proper death" without regret. Junpei's death—manipulated, painful, and senseless—is the antithesis of this ideal, forcing Yuji to confront the harsh reality that he cannot save everyone. The episode establishes why Yuji is Mahito's natural