Excalibur is a legendary sword of great power, said to have been given to King Arthur by the Lady of the Lake. It is said to have magical powers, and is often associated with the Arthurian legend. The sword is described as being so sharp that it could cut through stone, and so powerful that it could cleave an anvil in two. It is also said to have been unbreakable, and to have been able to cut through any armor. Excalibur is a symbol of justice, courage, and strength, and is often seen as a symbol of the power of the monarchy.
