What magical powers did it possess In King Arthur?

In the legends of King Arthur, several magical powers are attributed to key elements and characters. Excalibur, Arthur's legendary sWord, is often said to possess the ability to bestow rightful sovereignty and invincibility in battle. The Lady of the Lake, a mystical figure, is associated with enchantment and often provides Arthur with Excalibur, symbolizing divine right and protection. Additionally, Merlin, the wizard and advisor to Arthur, wields powerful magic, including prophecy, shapeshifting, and manipulation of events to guide the fate of Arthur and his kingdom.