Vortigern wants Arthur dead, to ensure there is no claimant to the throne. The legends foretell that only the next king will be able to draw Excalibur, Uther's sword, from the rock where it is lodged.

It’s been 1,500 years since King Arthur supposedly lived and vanquished his enemies; one would think that by now every possible version of his narrative has been told. “The Bright Sword,” an ...