Idea inspired from pokemon creature types
In the land of Epoa, Cloud Hoppers are some of the craziest people you’ll meet. Cloud Hopping is their job.
Welcome, Gentlemen. I’ll be brief about this. As you already know, as of 07:12 yesterday, we are at war with the bloody granola eaters of West Sylvania. I’m here to tell you how these elves fight.
As population increases, animal souls are promoted to human before they are spiritually advanced enough in terms of impulse control, etc.: this shouldn't have happened, but karmic progression is automatic, after all--it's a force of nature. But the 'animalization' of humankind bodes ill for civilization.
No doubt the same goes for elves, dwarves, and so on.