Original sentence: Excalibur's primary power was apparently spiritual, as it served to identify the chosen king and instill loyalty to him.Excalibur, from the legend of King Arthur, is arguably the most famous of magic swords, although it is not clear from the various accounts of the Arthur legend whether the sword itself was possessed of magical powers or merely had a magical origin, though its scabbard protected its bearer from physical harm.Many intepretations of the legend appear to endow the sword with a cutting strength and durability beyond that of ordinary weapons, making it unbreakable by anything but wrongful acts of its user
Edited sentence: Excalibur, from the legend of King Arthur, is arguably the most famous of magic swords, although it is not clear from the various accounts of the Arthur legend whether the sword itself was possessed of magical powers