TBH appears again before Ichiro and the others. They say that if they're beaten in a rap battle, they'll spill everything they know. Ichiro, Samatoki, Ramuda, Jakurai, Kuko, and Sasara accept the challenge. After the battle, the mastermind is revealed.
then one day you'll 
realize your true potential.
.فستدرك يومًا ما إمكانيّاتك الحقيقيّة
erkennst du irgendwann das Potenzial,
das in dir schlummert.
algún día descubrirás
tu verdadero potencial.
acabarás descubriendo
tu verdadero potencial.
alors, un jour,
tu libéreras ton véritable potentiel.
un giorno si può scoprire
cosa fa davvero per noi.
então um dia alcançará
seu verdadeiro potencial.
ты можешь найти
своё настоящее предназначение.