Exorcism
In Catholic practice the person performing the exorcism, known as an exorcist, is an ordained priest. The exorcist recites prayers according to the rubrics of the rite, and may make use of religious materials such as icons and sacramentals. The exorcist invokes God—specifically the Name of Jesus—as well as members of the Church Triumphant and the Archangel Michael to intervene with the exorcism. According to Catholic understanding, several weekly exorcisms over many years are sometimes required to expel a deeply entrenched demon.
When the Lights Went Out
Len and his friend, convince the local priest to perform an exorcism on their house, he refused to do it in the beginning, citing lack of permission from the church and that he will be removed from his priesthood for going against the order of the church. Len and his friend then blackmail the priest into performing the exorcism by showing him photos of the priest engaging in illicit affair with his housekeeper. Len threatened the priest that they will release the photos into public if he refused to help the family. The release of photos would have lead to the priest's dismissal. The priest then agrees to do the exorcism and takes them to the church to prepare the articles he needed to do the exorcism. The priest told them that the monk while he was alive, preyed on the young uneducated girls in the neighbourhood and cut off their tongue so that they could not expose him. He killed the young girl as she was educated and could have exposed his deeds by writing about it. After the incident the monk was secretly tried and hanged and buried in secrecy in order to save the honour of the church. After hearing the story from the priest, the three of them proceed to his house, where they start chanting biblical quotes. The spirit, protests their chantings by throwing household items on the trio. After some efforts the priest manages to drive the spirit out of their house.