This project is a comparative ethnographic study of Roman Catholic prayer for exorcism, a form of ritual healing prayer performed by a priest and the aim of which is relief from affliction by evil spirits. Insofar as exorcism is an institutionally sanctioned form of prayer practiced in culturally diverse settings throughout the Catholic world, the project addresses the nature prayer in social and institutional contexts and comparative perspectives on prayer. Insofar as it is a form of prayer concerned with counteracting the debilitating force of evil understood as an obstacle to spiritual life, the project also addresses the contribution of prayer to virtue, human flourishing, moral development, and ethical formation.