Minas (TSC)

If you are at the ruins where you got the quest , go to the area "wall" behind the ruins and travel widdershins around the valley. is in a niche in the rock, guarded by 5 mobs: a (roaming) ,a , a , a , and a . You will need to clear at least the and before engaging . Because the can heal, you will probably need to clear him, then pull and the just to avoid respawns.
 is only level 100, and not a really hard fight, just prioritize who needs to go down first.