Flavia the Heretic (1974)

Name: Flavia the Heretic
Genre: Drama, Horror
Released: 1974-06-14
Duration: 102 min
Cast: Florinda Bolkan, María Casares, Claudio Cassinelli, Anthony Higgins, Spiros Focás

She launched a river of blood

Puglia, southern Italy, around 1400. A convent is invaded by the Tarantula cult, whose fanatical and crazed members desecrate the sacred place by committing obscene and bloody acts.