Void Creatures

There are a great many creatures that come out of the Void, many seen nowhere else in the Realm, and they take more forms than even an immortal mind could imagine. They do all come from the same place beyond eternity, somewhere they have in common with the Vanir, which means even as powerful as even a common Vanir is, much less the eldest among them, the Vanir aren't any more effective against them than the other northerners.
Immunity Necrotic Poison Psyhic Damage Resistance Acid Bludgeoning Force Radiant Vulnerabilities Fire Slashing