Damned in Venice (1978)

A priest discovers an ancient canister containing a strange liquid in an abandoned church. When a group of graduate students and scientists are tasked with studying it, they unknowingly unleash an evil force waiting to destroy all of humanity.

In a Gothic cathedral built on the mass grave of a Teutonic purge, an ancient discovery by the new librarian will release an unholy maelstrom of madness, violence, and demonic vengeance.

Two teenage couples traveling across the backwoods of Texas searching for urban legends of serial killers end up as prisoners of a bizarre and sadistic backwater family of serial killers.

A woman seemingly dies of fright after participating in a séance where she sees a vision of a Dunwich priest hanging himself in a church cemetery. New York City reporter Peter Bell investigates and learns that the priest's suicide has somehow opened a portal to Hell and must be sealed by All Saints Day, or else the dead will overtake humanity.

In 1950s Italy, a government official arrives in a rural town to investigate a grisly child murder. The culprit is a young boy who claims he acted in order to kill the Devil itself.

On the fifteenth anniversary of the exorcism that claimed Father Damien Karras' life, Police Lieutenant Kinderman's world is once again shattered when a boy is found decapitated and savagely crucified.

A maniac on the loose is committing savage acts of slaughter, and one survivor may be the only key to unmasking the serial slayer known as the Half-Moon Killer. The mysterious half-moon lockets he leaves with his victims could be the only key to unraveling his sinister motives, but will that be enough before he completes his ice-cold plot to claim his intended seven victims?

Young Macy is abducted by a deranged, monstrous figure who wants to raise her as its child.

Father Gabriele Amorth, Chief Exorcist of the Vatican, investigates a young boy's terrifying possession and ends up uncovering a centuries-old conspiracy the Vatican has desperately tried to keep hidden.

A young man returns from Rome to his sister's satanic New York apartment house.