Mark of the Witch

Mark of the Witch is the first novel in Maggie Shayne's Portal Series.

Plot
A lapsed Wiccan, Indira Simon doesn't believe in magic anymore. But when strange dreams of being sacrificed to an ancient Babylonian god have her waking up with real rope burns on her wrists, she's forced to acknowledge that she may have been too hasty in her rejection of the unknown.

Then she meets mysterious and handsome Father Tomas. Emerging from the secrecy of an obscure Gnostic sect, he arrives with stories of a demon, a trio of warrior witches-and Indira's sacred calling. Yet there's something even Tomas doesn't know, an inescapable truth that will force him to choose between saving the life of the woman he's come to love-and saving the world.

Praise
"...Mark of the Witch is definitely one you'll want to look out for because this book was fantastic! It's got it all. Witches, Priests, human sacrifices and murder, secret religious sects. Soul-mates, betrayals and past lives violently manifesting. It's a non-stop wild ride that's fascinating, unique and so damn good you'll want to savor it." - GoodReads community review