The document discusses the characteristics of a tragic hero and analyzes Nora's character development in A Doll's House. A tragic hero is a noble man whose destruction is for a greater purpose. Nora starts as a childlike and loyal wife in the first act but gains independence and enlightenment by the third act as she realizes she must live life for herself, not just to please others. The document examines how Nora transforms from a silly girl into the play's true protagonist over the course of the story.