Rimuru becomes the new teacher for Shizu's students. However, having been summoned into this world against their will and facing shortened lifespans as a result, the children's feelings are complicated, and they're reluctant to accept Rimuru. So Rimuru proposes a series of mock battles with each of them to ascertain their abilities and allow them to let off steam.
I procured that via a 
particularly special route!
!تحصّلتُ عليه من خلال طريق خاص جداً
Der hat auch einen weiten Weg hinter sich.
Lo conseguí por una via especial.
Lo conseguí por una vía especial.
J’ai un fournisseur particulier !
L'ho ottenuto per vie traverse.
Esse eu consegui por
uma rota muito especial!
Ведь я его особыми путями добывал!