Witch Doctor

The witch doctor is an alchemical and spiritual master, skilled at not only simply brewing potions and alchemical goods, but at awakening the spirits of the ingredients that go into his goods. A witch doctor at work can be unsettling, for he croons and chants to the herbs and animal parts that go into his brew, shaking a rattle to awaken them from their slumber, and sometimes even bursting into dance to appease them and make them favor him. The powers that witch doctors revere are creatures of wild, ecstatic worship who demand dynamism from their servants. The witch doctor's arcane magical art is formed from the ability to twist and turn nature through a crude yet effective science called juju. Often the more cunning and savvy members of the savage troll tribes, witch doctors are uncommon among other, more civilized races that instead rely on shamanistic aid in times of need. During war, the witch doctor's juju can give a troll tribe a needed edge.

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http://www.wowwiki.com/Witch_doctor