The figure from Arthurian legend often depicted as the Lady of the Lake is Viviane or Nimuë. She is a central character, associated with the mystical elements of the lake and serves as a guardian of Excalibur, King Arthur's legendary sword. Her role often includes bestowing gifts to Arthur and guiding him through his challenges. The Lady of the Lake embodies themes of magic and prophecy, showcasing the intertwining of fate and destiny within Arthurian tales, reinforcing her significance in the broader narrative.