X: Singing in eerie voices, they wander town streets on the night of the new moon. Anyone who hears their song is cursed.Y: It enwraps its prey in its hairlike arms. It sings joyfully as it observes the suffering of its prey.Sword: Eerie cries emanate from its body in the dead of night. The sounds are said to be the wails of spirits who are suffering in the afterlife.