@captain_crunch I mean, it's not like it hasn't been mentioned by the characters. It's the reason they won't him leave and also he worries about it as well.
@SotiCoto I assume the reason for low fertility, for the high evels anyway, was for the reason that they're a long lived race and that was a way for nature to maintain so level of population control. I've a few other works that have used that as a reason for that?