Warg's Den
The Wastes of Eriador#24 (x2/x1)
Location
4 (1)
Arnor.  

Immune to player card effects.

Travel: The first player searches the encounter deck and discard pile for a Warg enemy, reveals it, and puts it into play engages with him. Shuffle the encounter deck.

The howling of the wolves was now all around them... –The Fellowship of the Ring