Banshee appear in Celtic Folklore in various forms. You may find many different descriptions of Banshee. The Spiral Chrysalis Banshee is a Scottish Banshee. A banshee that warns of the imminent death of a family member. She is a good spirit and one that can be trusted.

The Scottish name for a Banshee is the Bean Nighe which means washer woman. According to folklore she is usually seen washing blood from the clothes belonging to the person whose death she is foretelling. She weeps and wails as she washes the clothes. Her wail is a gruesome sound - more like a howl than a wail. If a person succeeds in getting between her and the water she is washing the clothes in she will give them answers to any three questions they may ask her.

Even though Carl doesn't know the woman he has met in the creek is a Banshee he accidentally gets between her and the water. The Banshee then grants him the answers to three questions.