The incident with the Devil Believers had come to a close. This whole incident ends up hurting Nero, who witnessed the pain the Devil Believers felt from having less mana and reminds her of her time with the first Wizard King, Lumiere and the magic item he was trying to create to get rid of discrimination in their kingdom. She then gets summoned by Julius. Meanwhile, Asta and the others receive a message saying that the Heart Kingdom and the Spirit Guardians were ready to train them for their fight against the devil.
But back then, they probably lacked
لكن كان ينقصهم التقنية حينها على الأرجح
Aber mit der damaligen Technologie
konnte er es nicht vollenden.
Parece que no logró terminarla
con la tecnología que tenía.
Parece que no logró terminarla
con la tecnología que tenía.
Il n’a pas pu le terminer
avec la technologie de l’époque.
Non fu mai completato, suppongo 
perché allora nessuno possedeva la tecnica
Mas na época, não devia
haver competência técnica