Goneril is a prominent character in William Shakespeare's tragedy King Lear. She is the eldest daughter of King Lear and is known for her ruthless ambition and betrayal. Goneril's desire for power leads her to manipulate her father and ultimately contribute to his downfall. Throughout the play, Goneril's actions reveal her complex nature, as she oscillates between being a cunning strategist and a heartless villain. Her relationship with her sister, Regan, further complicates the narrative, showcasing themes of greed and familial discord that are central to the tragedy of King Lear.