Rise of the Runelords
In life, Everlyn and Vrinn knew each other. How exactly neither have made public knowledge. However, knowing Vrinn, chances are they were once lovers, though the cause of her death isn’t known.
Norgerber, the god of murder visited Vrinn in a dream, granting him Ever’s dead shadow as a companion. The reason for this, much like the rest of Ever’s existence, is a mystery, though it is presumed that it was a gift in return for murdering so many of Norgerber’s cult.