Scary mythological creatures

People, no matter from which era and what traditions, have always felt the need to explain their surroundings. After all, the greatest fear is the fear of the unknown. Before science did better explanations, myths, and mythical creatures fulfilled the need to know what, why, and how our reality exists.

This supernatural creature from the Nicaraguan folklore is a shapeshifter. It typically takes the form of an attractive long haired woman who seduces drunken and unfaithful men before revealing her true face: a Horse Skull. The words she speaks to these men are so horrific that the victim goes insane instantaneously.

Well, it's not exactly a harpy since it has a more masculine face and harpies are always portrayed,as far as I've seen, as a hybrid of women and bird fe... The Harpy

mythological figure, Greek Mythology