The Night of the Damned (Italian: La notte dei dannati) is a 1971 film directed by Filippo Ratti.

The letter is in the form of a riddle, which references Les Fleurs du mal by Charles Baudelaire, which the prince gave him years ago.

The following night, Jean finds a book in the library about black magic, which references the amethyst, like the ring the prince had given him.

Jean finds a card in the library, which is a copy of a public act of a sorcery process of 1650, against a certain Tarin Drole.

Towards the end of the 1960s, director Filippo Ratti became involved with the short-lived production company Primax and directed two films written by Aldo Marcovecchio that were shot on the same sets: Erika and The Night of the Damned.

[1][4] When the film was released in France as Les nuits sexuelles on April 23, 1975 which featured more explicit scenes such as one where females are tickled by naked handmaidens while lesbian and heterosexual couplings take place around them.