Question

Have you heard of any other stories of legendary kings like that of king Vikram

Answer 1

Arthur Pendragon or King Arthur is the legendary British king who appears in medieval romances are known as the Matter of Britain.

Possibly the legend originated in Wales or in those parts of northern Britain by Brythonic-speaking Celts.

Historical Arthur led Welsh resistance for West Saxon advance middle Thames which is also based on conflation of 2 early writers.