Adventurers Millie and Nina arrive to be Cain's tutors, but they're overwhelmed by his insane status. His power with both magic and the sword is so great that they decide to train him outside the mansion.
I see. So that's why the
city wall is so well fortified.
فهمت. لهذا سور المدينة مُحصّن جيّداً إذاً
Verstehe. Die Stadtmauer war also so dick,
Claro, por eso la muralla
de la ciudad es tan gruesa.
Claro, por eso la muralla
de la ciudad es tan gruesa.
Je l’ignorais.
Capisco. Ecco perché 
le mura della città sono così robuste.
Entendi. Por isso que as muralhas
da cidade são tão fortificadas.
Ясно. Так вот почему 
вокруг города крепостные стены.