In the Arthurian legends, King Arthur famously has a special sword named Excalibur. This is one of the constant aspects of ...

meaning he would be the next king. But Arthur's father had lots of enemies. So the wizard, Merlin, told him to hide Arthur until he was fully grown, to make sure nothing bad happened to him.

King Arthur’s Hall, situated on Bodmin Moor in ... To protect the child from Uther’s enemies, Merlin arranged for him to be raised in secret by Sir Ector, a loyal knight.