What is Caliburn and how does it function in relation to its intended purpose?

Caliburn is a legendary sWord in Arthurian legend, also known as Excalibur. It is said to be the sWord that King Arthur pulled from the stone, proving his rightful claim to the throne. Caliburn functions as a symbol of Arthur's divine right to rule and as a powerful weapon in his quests and battles. Its intended purpose is to signify Arthur's destiny as a great king and to aid him in his quest to unite and protect the kingdom of Camelot.