This is discussion archived from a time before the current discussion method was installed.
Short Childhood, Long Life launched as Immortality Begins At Twenty Discussion: From YKTTW
From YKTTW Working Title: Immortality Begins At Twenty
As far as Tales of Symphonia goes, it seems to me that the Four Seraphim are a much better example than the, uh, elves in the main party. Those two are -implied- to eventually hit their prime and stay there, but we don't actually see it.