The Blade that Binds
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There really is a sword in the stone, but it’s not Arthur’s Excalibur, or Caliburn, as it’s sometimes known. This weapon once belonged to a ruthless and violent Italian warrior of the C12th called Galgano.

The story goes that he repented his vicious ways after receiving two visions of the Archangel Michael. In one version, he planted his sword in the ground as a sign of the cross. The sword immediately became one with the ground and could not be removed.

Another version claims he was told to renounce material things. He said that would be as hard as splitting rocks, illustrating his point by attempting to do just that. The stone, however, is said to have yielded like butter.

It can still be seen in the stone today, at the Rotonda of Montesiepi, near the ruins of San Galgano Abbey. And according to Ancient Origins