Entaku no Kishi Monogatari: Moero Arthur (TV Series, 30 episodes, AniDB)

Requested on Feb. 15, 2021, 4:23 a.m.

* Based on King Arthur and the Knights of the Round Table. When Prince Arthur was a baby and his father King Uther ruled Camelot, another king named Lavik who wished to conquer Camelot attacked the castle. Arthur was saved by Merlin who sent him to another knight to keep Arthur in a safe place. For many years, this knight brought Arthur up as his own son. At the age of 15, Arthur attends a tournament with his stepfather. There, he pulls the sword Excalibur from a stone. This action proves that Arthur is the legitimate king of England. Finally, Arthur`s foster father reveals to him his royal lineage. Since then, King Arthur begins to fight against the evil King Lavik, who is aided by the witch Medessa. Source: Wikipedia