A war council led by Hinata is held in the Holy Empire of Lubelius. Moments after Hinata declares her intent to meet Rimuru and talk to him, she receives a hostile message from Rimuru.
So he's using his scientific 
knowledge from his old world.
إذاً يستخدم معرفته العلميّة من عالمه القديم
Er nutzt also selbst
das Wissen aus unserer Welt.
Conque hace uso
de la ciencia del otro mundo.
Conque hace uso
de la ciencia del otro mundo.
Il se sert des connaissances
de notre monde d’origine.
Sta usando le conoscenze scientifiche
apprese nell'altro mondo.
Então ele está usando o conhecimento
científico do seu antigo mundo.
Похоже, он пользуется
научным подходом прежнего мира…