Boulderfist Shaman can be found in Stromgarde in the Arathi Highlands. Turn right before heading up the ramp to the keep itself, then turn left in the next passage. This will lead you to an area where you will find Boulderfist Maulers and Boulderfist Shamans.
Healing Wave (Nature) - Calls upon Nature magic to heal an ally.
Lightning Bolt (Nature) - Blasts an enemy with lightning, inflicting Nature damage.
Searing Totem (Fire) - Summons a Searing Totem with 5 health at your feet for 40 sec that repeatedly attacks an enemy within 20 yards for 19 to 25 Fire damage.