Warrior of the Wild by Tricia Levenseller

Secondhand. Hardcover with Dust Jacket.

Synopsis: How do you kill a god? As her father's chosen heir, eighteen-year-old Rasmira has trained her whole life to become a warrior and lead her village. But when her coming-of-age trial is sabotaged and she fails the test, her father banishes her to the monster-filled wilderness with an impossible quest: To win back her honor, she must kill the oppressive god who claims tribute from the villages each year--or die trying.