Demonic Origins, Rituals, and Controversies is a profound and enlightening work that explores the phenomenon of demonic possession and its spiritual, historical, and cultural implications. From ancient civilizations to the present day, the book reveals how different cultures have perceived and dealt with the concept of possession, detailing the evolution of the topic over the centuries and the influence of Christianity on the contemporary view. With a meticulous approach, it examines myths, truths, and the connections between possession and mental illnesses, as well as providing a critical analysis of famous and documented cases, such as those of Anneliese Michel and Robbie Mannheim, which have inspired works of fiction and global debates. In addition to addressing the structure of exorcism rituals across different religious traditions, the book also explores the darker side of these practices, including reports of abuse and manipulation throughout history. By delving into rituals, beliefs, and legal issues surrounding possession, readers will gain a comprehensive view of the subject, combining spiritual, psychological, and scientific knowledge, offering a deep reflection on the social and cultural impact of the belief in possessions in contemporary society.