Armida is a character from the opera "Armida," composed by Christoph Willibald Gluck. The opera, first performed in 1761, is based on the epic poem "Jerusalem Delivered" by Torquato Tasso. Armida is depicted as a powerful sorceress who uses her magic to enchant and manipulate those around her. In the story, Armida falls in love with the knight Rinaldo, whom she initially captures to use in her schemes. The opera explores themes of love, betrayal, and the struggle between desire and duty. Armida's character is often associated with beauty and danger, making her a compelling figure in the narrative.