Tolkien's elves were also supposed to be morally pure to a greater degree than most of the world. That this would entail risking one's own longer lifespan for t

Tolkien's elves were also supposed to be morally pure to a greater degree than most of the world. That this would entail risking one's own longer lifespan for the greater good seems internally consistent. I think the Silmarillion also indicated that elves reincarnate, which would mean death wouldn't even be the end for them.