Mob is challenged to a one-on-one fight with Black Vinegar Middle School's shadow leader, Hanazawa Teruki, otherwise known as Teru. Mob doesn't use his powers but Teru goes all out on him, destroying everything around him. Teru continues to unleash his incredible power when Mob suddenly remembers a tragedy that happened between him and Ritsu...
I'm gonna send your master to the hospital.
سأرسل معلّمك إلى المشفى
Soll ich deinen Meister
ins Krankenhaus kloppen?
¡Enviaré a tu maestro al hospital!
¡Enviaré a tu maestro al hospital!
Tu veux que j’envoie ton maître
à l’hôpital ?
Se becco il tuo maestro 
lo spedisco dritto all'ospedale.
Vou mandar o seu mestre para o hospital!
Твой учитель всю жизнь
на лекарства работать будет.