In order to come to terms with his own negligence and revive Shion, Gobta, and his other fallen comrades, Rimuru reveals that he used to be a human. But his allies think nothing of it and accept him regardless, as if it's the natural thing to do. Filled with gratitude for the warm, accepting environment he's in, Rimuru turns his focus to the army from Falmuth. He entrusts Benimaru and the others to destroy the devices that are generating the enemy's Prison Field while Rimuru himself sets out to attack the advancing army and use them as nourishment to become a Demon Lord.
And that's why
ولهذا السّبب
Das wurde mir erzählt.
Also will ich Dämonenkönig werden.
Así que pretendo convertirme
en Rey Demonio.
Así que pretendo convertirme
en Rey Demonio.
Après avoir entendu ce récit,
j’ai décidé de devenir un roi-démon.
Ed è per questo che ho intenzione 
di diventare un Re demone!
E, dito isso,
Поэтому-то я 
и решил сам стать Князем Тьмы.