Jujutsu Kaisen's second season was a global hit, covering major fan-favorite arcs such as the Gojo's Past saga and the tragic Shibuya Incident. While both arcs had moments of tragedy, the Shibuya arc was on another level of emotional distress. Major characters lost their lives, others were injured, and some lost their cursed techniques at the height of the incident.
Source:https://www.cbr.com/jjk-mahito-shibuya-arc-best-controversial-villain/