Silver blades should be brought against them, as should Devil's Puffball.
Fast, strong, and amazingly resilient, these creatures kill with disturbing ease.
Like werewolves, ulfhedinn and vorefs are active at night, particularly when the moon is at its fullest. Only a few daring warriors in Skellige history have managed to defeat an ulfhedinn, and each of them is commemorated in ballads as a hero to this day. Older and particularly dangerous ulfhedinn are called vorefs. The harsh and barren conditions of the isles might explain why they primarily hunt men and are stronger than their continental brethren. – Professor Artibus Joannes Rack, geographer, disappeared during a surveying expedition in Skellige Ulfhedinn are a breed of werewolf found mainly in Skellige. Bestiary Entry Ulfhedinn? What's that, some kind of fish?