Luciel starts to doubt his fighting skills after clearing the boss room on the tenth level, so he asks to train with Lumina and the Valkyrie Paladin Regiment. After clearing the twentieth level, he meets the pope again to learn more about the wights.
I believe the main reason 
we attackers lost this time
أعتقد بأنّ السّبب الرّئيسي وراء
خسارتنا نحن المُهاجمون هذه المرّة
Ich glaube, der Hauptgrund,
warum unsere Angreiferseite verloren hat,
Creo que, esta vez,
las atacantes perdimos
Creo que, esta vez,
las atacantes hemos perdido
Je pense que la raison principale
à notre défaite,
Penso che la causa della sconfitta
di noi in attacco possa essere addotta
Acho que nós, os atacantes,
perdemos esta vez
Основная причина, почему
атакующие проиграли, —