Brünnhilde is a prominent character in Richard Wagner's opera cycle, Der Ring des Nibelungen. She is a Valkyrie, a warrior maiden who chooses those who may die and those who may live in battle. Brünnhilde is known for her strong will, bravery, and deep sense of honor. In the story, Brünnhilde defies her father, Wotan, the chief god, leading to her punishment and eventual transformation. Her character embodies themes of love, sacrifice, and redemption, making her one of the most complex figures in Wagner's works. Brünnhilde's journey is central to the narrative of the Ring cycle.