While on his way to confess his feelings to Tsubomi, Mob saves a child from an oncoming truck. The physical impact knocks him unconscious, triggering a catastrophic release of his subconscious power.
Unlike previous outbursts, this transformation is absolute. Mob’s "inner self"—the personification of his repressed emotions—takes full control, manifesting as an unstoppable force of nature that begins leveling Seasoning City.
The episode sets the stage for a tragic gauntlet, as Mob’s friends and rivals—starting with Teruki Hanazawa—are forced to try and stop him, despite knowing they are hopelessly outmatched. Critical Reception
Report: Mob Psycho 100 III (Dub) Episode 10 - "Mob 1: Thawing"