Banshee

Banshee or Been Sidhe, are usually heard screaming and can be seen by rivers washing the bloody clothes of someone about to die.

Identifying one:
Can appear as either a young woman, a matron or a hag. With long teeth, claws and a blue face.

How to kill it
gold

Other information:
Being one of the fae people it is probably vulnerable to Iron. Although there is no real need to kill a Banshee since they don't usually kill anyone but foreshadow death, like a black dog.