Halkara's knack for inadvertently causing trouble led her to knock out the Demon King Pecora, and now she's locked in a dungeon. As Halkara's execution draws nearer with each passing moment, Azusa rushes to make a potion with her family's help and, with Beelzebub's guidance, takes it to the first-aid room where Pecora is. After tricking the demons guarding the room, Azusa finally reaches Pecora, but then...
but you can only strengthen 
a weapon so much.
لكن بوسعك تقوية سلاح ما 
.لدرجة معيّنة فحسب
aber bei der Verstärkung von Waffen
gibt es gewisse Grenzen.
ma un'arma può essere rinforzata 
solo fino a un certo limite.
mas há um limite para
melhorar uma arma.
но у любого орудия есть свой предел.