Nero veneziano

When Cole stays up past his bedtime, he discovers that his hot babysitter is part of a Satanic cult that will stop at nothing to keep him quiet.

A doctor from New York travels to a remote plantation in the 1890s to care for a disturbed boy who seems to have inexplicable abilities. She begins treating the child, but in doing so, ignites a war between science and religion as the local priest believes the boy is possessed by the devil and the cause of the village's woes.

Immediately after their miscarriage, the US diplomat Robert Thorn adopts the newborn Damien without the knowledge of his wife. Yet what he doesn’t know is that their new son is the son of the devil.

A young couple, Rosemary and Guy, moves into an infamous New York apartment building, known by frightening legends and mysterious events, with the purpose of starting a family.

After years of performing “exorcisms” and taking believers’ money, Reverend Marcus travels to rural Louisiana with a film crew so he can dispel what he believes is the myth of demonic possession. The dynamic reverend is certain that this will be another routine “exorcism” on a disturbed religious fanatic but instead comes upon the blood-soaked farm of the Sweetzer family and a true evil he would have never thought imaginable.

When his cousin is murdered by a masked breakfast-cereal-themed killer, Trenton teams up with his true-crime podcaster friend Oswald to try and learn the killer's identity.

A spree of grisly murders is perpetrated in Frankfurt by a group of Satan worshippers. A lonely schoolteacher almost runs over an elderly man and takes him in, unbeknown to her the man has plans for her – plans that involve a permanent future with the Satanic cult.

Diana, a high-class prostitute trying to escape from a serial killer, suffers a car accident that leaves her blind and kills the family of Chin, a ten-year-old boy.

Rumors of demonic possession at a religious convent prompts a church investigation into the strange goings-on among its nuns. A disaffected priest and his neophyte are confronted with temptation, bloodshed and a crisis of faith.

An author who was sent to the town Drakho, because of a nervous breakdown, gets wound up in a mystery revolving around demons and werewolves. She starts seeing ghosts and dismisses them as her own imagination, but when they turn out to be real she becomes suspicious of the odd town and of its past.

There are a number of inheritors to a fortune who are getting killed by a mysterious somebody whom we do not see. Each death is novel, but not terribly graphic. Who did it?