The universe is an endless plane of icy wastes, but some deities placed luminaries in rotation over it which thawed some pieces of land, but they are separated by the wastes and to travel between requires either magic, or treacherous journeys through ice caverns.
I think my favorite aspect of Flat Earth conspiracy is the idea that all the “real” forests were destroyed in a cataclysmic event a long time ago and landscape features like mesas are the remnants of trees
Ah. I see they’ve played Dark Souls
We actually live in a puddle on a huge low density ice planet