Ah. I see what you originally meant. We only have stories of war. Apart from that, I don't remember finding anything directly related to how things 'came to be' in any books I've read.

[ If she were to count Intoners, as a whole, maybe. She won't bother mentioning it, though. ]

We don't have any stories mentioning the Underworld, much less the existence of one. [ There's a thoughtful hum. ] And you've been there before?