Where did the sword in the stone originate?

The SWord in the Stone originates from the Arthurian legends, specifically the tale of King Arthur. In this legend, the sWord, often called Excalibur, is embedded in a stone, and only the true heir to the throne can pull it out. This story has roots in medieval literature, with notable mentions in works like Sir Thomas Malory's "Le Morte d'Arthur." The tale symbolizes rightful leadership and destiny in the context of Arthur's rise to kingship.