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.
It'll give you children... I mean, 
you guys a chance to vent your frustrations.
سيمنحكم أيّها الأطفال... أعني يا شباب فرصة
للتنفيس عن غضبكم
Ihr …
Les daré… no, tendrán la oportunidad
de ventilarse un poco.
Os daré… no, tendréis la oportunidad
de ventilaros un poco.
On va…
Bambini...
Vocês, crianças... ou melhor...
Вам, ребятки…