Briarthorn
This object can be found in The Barrens (158), Silverpine Forest (75), Duskwood (74), Wetlands (71), Westfall (68), Hillsbrad Foothills (66), Ashenvale (49), Stonetalon Mountains (48), Darkshore (42), Redridge Mountains (27), Ghostlands (24), Loch Modan (20), Bloodmyst Isle (11) and Razorfen Kraul.
