Femme Fatale

Heroines who are beautiful, seductive, yet ultimately heroic woman who uses the malign power of her sexuality in order to ensnare the hapless villain into danger (and very likely to seduce/flirt with the heroes or other civilians as well). This term is also known as the "Heroic Seductress", which is an exact opposite of villainous Vamp.

Their male counterparts are Casanovas and a foil to Ingenues.