Legendary [[sword]] of [[King Arthur]]. It is believed that the [i]sword in the stone[/i] and the [i]sword in the lake[/i] are two separate weapons- The former being proof of Arthur's lineage.

h4. See Also
* [[Excalibur (Fate/stay night)]]
* [[Excalibur (Fate/Prototype)]]
h4. External links
* Wikipedia: "Excalibur":[https://en.wikipedia.org/wiki/Excalibur]
excalibur (mythology)