Shamanism

Shamanism is a school of magic and animistic religion centered around the altering of the body for boon or curse. It is also used to summon the elements, and create potions. It is practiced primarily by the secluded Trolls of Kezara. Because of their secluded nature, it is very difficult to learn the magic if one is not a troll, and thus most outside races have not even heard of the magic.