Brunhilde defied Odin and in punishment he imprisoned her within a ring of fire on earth, decreeing that there she would remain until a brave hero rescued her. Siegfied braved the fire, broke her charmed sleep, and fell in love with her.
Gaston Bussière [Public domain], via Wikimedia Commons
A mighty female warrior, one of the Valkyries, and a heroine from the German epics, especially in the Nibelungen saga, in which she is an Icelandic princess.