The Nun (la Monja) -

: They discover the abbey is built over a gateway to Hell, originally opened by a medieval duke and later sealed by Crusaders using the Blood of Christ . The gate was reopened by bombings during World War II, allowing the demon Valak to take the form of a nun to mock the faith of the residents.

: Irene and Burke, aided by a local man named "Frenchie," must retrieve the relic containing Christ's blood to re-seal the portal before Valak can escape and possess a human host. Spanish Horror Film (2005) The Nun (La monja)

The Nun True Story | Valak The Demon | Abbey of St. Carta Romania : They discover the abbey is built over

This version, directed by Luis de la Madrid, is a "water-based" supernatural slasher. Spanish Horror Film (2005) The Nun True Story

: The Vatican sends Father Burke, a priest with a haunted past, and Sister Irene, a young novitiate who experiences prophetic visions, to investigate the cloistered abbey.