Ragnarok is the Norse version of the end of the world, right? We almost had that twice with the Greeks. At one point, the gods even started fighting with their Roman selves. I mean, literally fighting their own selves, and almost destroyed the earth in the process.

[ shaking his head, he kneels down in front of winter, conjuring a bit of shadows for her to play with. ]

Honestly, I don't know much about the Norse, but I've heard rumors that Valhalla exists even in my time. If it's true, that can mean we're from the same world.