High Quality Content by WIKIPEDIA articles! Spiritual warfare is the concept of taking a stand against supernatural evil forces. The foundation for this ideology is having a belief in evil spirits which are able to intervene in human affairs. Various Christian groups have adopted practices to repel such forces, as based on their doctrine of Christian demonology. A common form of spiritual warfare among Christians, is prayer in Christianity. Other practices may include exorcisms, laying-on of hands, fasting, or anointing with oil.