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...
From the core, so there wouldn't 
be a single shred left.
أخفيتُها من الصّميم لذا ينبغي
ألّا يكون قد بقي ذرّة منها
Und zwar gründlich und restlos.
Ya no debería quedar ni rastro de él.
Ya no debería quedar ni rastro de él.
Sans laisser une seule particule.
Ho mirato al nucleo, così da non lasciarne
nemmeno un frammento in giro.
Até o núcleo, para garantir 
que não sobraria nada.
Начисто, чтобы и следа не осталось.