The Underdog Strikes Back - エピソード 8

A man is told to give up his 'delusional' possession of divine power by an opponent who has summoned heroes by burning his own life force. The man refuses, and after defeating his foe, he is declared a mortal hero and told a divine punishment is coming. When a god threatens to unleash an endless plague upon the city, the man declares it's time to 'punish the gods' and is confronted by Hades. As Pandora's Box is opened, a plague is unleashed, and the order is given to run and retreat.