I was killing. a grimling grunt , a grimling recruit and a grimling conqueror that wander the two rivers and hills area. After boredom I was just killing the conqueror. I believe that is it's PH.
I define Curfang's area. Draw, auto map a box with these Loc's as the corners NE 861, -1438, NW 906, -1148, SW 665, -1096, SE 546, -1383. This will give you a better general area to be at than any one loc.