'Full Moon of the Virgins') is a 1973 Italian horror film[2] directed by Luigi Batzella and Joe D'Amato and starring Mark Damon, Rosalba Neri, Esmeralda Barros, Francesca Romana Davila, and Ciro Papa Two rival brothers are looking for the magic ring of the Nibelungen, a mystical jewel that confers all power to the one who possesses it.

The innkeeper's daughter tells him that on the first full moon night of the summer that five virgin girls from the village are chosen by the powers of evil and taken to the castle to be sacrificed, and that the place is infested with vampires.

[3] Producer Franco Gaudenzi stated that The Devil's Wedding Night was a film that actor Mark Damon "wanted to do, it was a script he had, it was his creature.

[4] This version of the screenplay includes a prologue which is not in the film, in which the Countess summons the forces of evil while in her castle nude women are tied to a column with their throats being slashed.

[4] When choosing the director, Gaudenzi hired Batzella, stating that he was often in their office discussing film ideas with Joe D'Amato and Bruno Mattei.