Hm... Premise is good, I think. But between the average translation (sometimes weird, sometimes cringe), and the setting and pacing, it just feels stupid.
"We used to be like you, but then you arrived and everything changed. So, what will you teach us?". She was half a step from kneeling, kissing his feet and adding "oh great one, provider of knowledge". They've known for all of what? 3 hours? (Since we have no idea of how long the round trip to the city was, or to the ruins, or what happened in them).
Plus 10-12yo don't act like that... I get it's another world, but...uh...