The term Exorcism comes from the Romanized Greek “Exorkismos” which means: “To compel by oath”. It is an act of supernatural nature in which an evil force (demon) is expelled from a human body, using methods described in religious scriptures. When an entity keeps a person possessed, it tortures the body, attacks the soul of the same, making it a submissive to seize the presence of the being, thus eliminating any sign of personality or consciousness of the possessed.
Many are the beliefs that are handled in this type of situation, all depend on the type of religion that is professed. There are several types of evil presences: they can be demons, spirits, witches, souls in pain, among others. Numerous legends tell that not only human beings are capable of harboring evil entities, but also animals, things and even houses can be penetrated by this type of dark forces.
In the process of exorcism, prayers and chants of all kinds are performed, some in ancient languages or runes that are already considered dead, but which are compatible with the type of specter that is trying to repel. Holy water, crosses and biblical writings are used as tools by the exorcist in order to "remove the demon" from the body or demonic object.
Films like The Exorcist by William Friedkin, in 1973, Constantine by Francis Lawrence, 2008, in which the exorcist is Keanu Reeves; The exorcism of Emily Rose based on the case of Anneliese Michel, are examples taken to celluloid of this ritual in which the acts of devil beings on earth are condemned.
