"Sharp eyes" I drop the sun stone and it disappears in a small portal that opens up on the ground.

So she likes riddles, I am thinking fey because of that. But the burning light sounds a lot like Jaweh. I shudder as I think of that name.
That makes me think succubus, but it doesn't add up to the riddles, succubi are less... subtle. So a fey from christian lore?
"Are you Scandinavian? Or maybe Irish?"