Psychic Self-Defense by D. Fortune. After finding herself the subject of a powerful psychic attack, Dion Fortune wrote this detailed instruction manual for safeguarding yourself against paranormal malevolence. Fortune explores the elusive psychic element in mental illness and, more importantly, details the methods, motives, and physical aspects of psychic attack, and how to overcome this energy. The revised edition of this New Age classic includes an index and an additional explanatory note for contemporary readers. Index.