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.
And the only real way to get it is during a raid.
Y la única manera verdadera de 
conseguirlo es durante un raid.
E l'unico modo di ottenerlo è proprio con i raid.
O único jeito de conseguir 
isso é continuar a incursão.