Shiroe and his friends have come to the Depths of Palm to reach the Sacrifice Clan's gold.  The underground labyrinth is filled with powerful monsters that wear them down in a war of attrition.  Meanwhile, Akihabara, Akatsuki hears about the "Teachings".  She's very interested to know that by completing a high level raid, she can greatly improve the level of her techniques.
As we get deeper in,
Je weiter wir kamen, …
Cuanto más lejos llegábamos,
Plus on s’enfonçait vers les abysses,
Procedendo verso il fondo,
E conforme descíamos mais,
Чем глубже мы спускались,