In Thailand, a krasue is the spirit of a beautiful young woman that manifests as a floating head with internal organs trailing below the neck. An eerie glow accompanies the krasue as it floats up and down the countryside, searching for blood to drink or raw flesh to consume. Cambodians know this horrifying specter as an ap, while Laotians call it a kasu. Similar spirits appear in Malaysia, Indonesia, Vietnam, and the Philippines.
According to Thai folklore, krasues pose a real danger to pregnant women. Tales speak of floating heads that attempt to slay babies within the womb or devour expelled placentas. If there aren’t any pregnant women around, a krasue might feast on cattle, chicken, or even feces.