Michio enters the labyrinth with Roxanne and learns more about the world. He realizes the actions he'd been taking based on assumptions have been terribly inefficient. With the knowledge he learned from Roxanne, common video game strategy, and skill settings, Michio develops a method to efficiently make money.
Apparently, they turn white after 
defeating one million monsters,
Wenn man eine Million Monster tötet,
sollen sie weiß werden.
Dicen que se vuelven blancos
al vencer a un millón,
Dicen que se vuelven blancos
al vencer a un millón,
Ils deviennent blancs
à un million de monstres.
Si dice che diventino bianchi
dopo aver sconfitto un milione di mostri,
Parece que ficam brancos após
derrotar um milhão de monstros.