Why they called them "Immortals"
What if they're not really "Immortals"? they just simply time travel. it's just funny to me when you think about it. the elves met a human many many decades ago then they vanished for a long time.. the elves thinking "ah.. it's been 60 moons since we saw that human. maybe his already dead, there's no human can lived that long afterall" then the same human suddenly reappear just to build a temple in their land..