S3E20: Where Hope Is

Colossal fires throw the Tokyo Empire into chaos. Cries of despair from the people spread until they threaten to swallow the Fire Force soldiers, too. At that moment, Obi encourages his comrades to rise up. His words get the fire soldiers get back on their feet, and they begin rescue operations to bring hope to the people. Then, as if to mock them, demons who bring despair to the world appear.