Five Centuries Fountain
The fountain is inside a sorcerous grove of trees, at odds with the barren desert surrounding it, and is described as an ivy-covered marble basin filled with water. It is guarded by a geas created by Davien -- the Shadows of Mearth. The author has not yet revealed why the Fountain was guarded, but hints that it was a test of sorts. An inscription can be found on the basin:
Who drinks this water
shall cease to age five hundred years
yet suffer lengthened youth with tears
Through grief, death's daughter.
Role in the Story
|Spoiler warning: Contains plot elements from multiple books in the series.
Curse of the Mistwraith
Third Age 5637: At the end of his endurance during his trip through the Red Desert, Lysaer drinks from the fountain and discovers that it eases his physical ailments. He brings an unconscious Arithon to the fountain and forces him to drink.
Warhost of Vastmark
Third Age 5647: Aboard the Khetienn, Dakar reminds Arithon that the fountain's longevity protection will keep his body alive, but will not prevent insanity. It seems that though the half-brothers have ceased to age, they can still be killed by mundane means (a sword thrust or by fire).