Raene's Cleansing

$N, a longtime friend of mine is also aiding the Sentinels here in Ashenvale, but he has yet to return.$B$BHe had leads on finding an item that he thought could slow the furbolg attacks on our people--a rod created by a now-dead, evil wizard.$B$BBefore he left here, he mentioned seeking out a gem for the rod.$B$BHe mentioned the gem possibly being hidden at the shrine in Lake Falathim at the base of the mountain to the west. The gem was being held there before it was overrun.$B$BFind my friend, $N, please.