Now that you've learned your berserker's stance, you'll want a nice weapon to use it with.$B$BTalk to Bath'rah the Windwatcher, a troll hermit who lives between the Alterac Mountains and the Western Plaguelands.  He is a skilled weapon maker and a powerful shaman.$B$BTo find Bath'rah, go to the river that flows along Tarren Mill's eastern flank.  Follow it north--Bath'rah is camped near ruins that rest along the river's eastern bank.