an angel for satan (1966)

aka Un angelo per Satana.
"You have put a curse on us."
In a 19th century Italian village, an old statue is recovered from a lake, but the superstitious villagers believe the statue to be cursed. Into this arrives Harriet (Barbara Steele), an English woman with an inheritance to claim, and her resemblance to the statue is soon noted. Soon also her seemingly schizophrenic actions...
Evocative, with a pervasive menace.

terror in the crypt (1964)

aka La cripta e l'incubo. Crypt Of The Vampire.
"I like these ancient castles they have such an air of mystery."
Count Karnstein (Christopher Lee) has a sick daughter Laura (Adriana Ambesi). The housekeeper believes Laura is possessed by the spirit of her ancestor, the witch Scirra. Then a young woman Lyuba (Ursula Davis), injured in an accident comes to stay, and intrigued by Laura starts to get close to her.
An atmospheric horror, that unfurls its story slowly and inexerably before the shocking conclusion.