Feast of Souls by CS Friedman (The Magister Trilogy)
Synopsis: In a world where the price of magic is human life, one woman dares transgress against the prevailing power structures even as an ancient enemy threatens humankind. Review: Man, I hate synopsizing epic fantasy. The premises always end up sounding so silly. That’s a shame, because Feast of Souls actually really intrigued me with its central idea. Basically, there can be no magic without a human life force as fuel. Women who can control the life force become witches, but every act of magic…