King Arthur and King Arthur is a legendary British semi , often representing chivalrous ideal , both in war and in peace .
At the legendary Arthur developed initially by pseudo - histories of Geoffrey of Monmouth and Welsh anonymous tales known collectively as the Mabinogion
The central themes of the Arthurian cycle vary depending on texts that are examined. They include accession to the throne but Arthur the sword from the rock episode , setting the order of knights and chivalry known as the Round Table associate counsel wizard Merlin , defending Britain from Saxon invaders , magical adventures attended by some knights , especially Kay , Gawain , Lancelot , Percival and Galahad , the sister of Arthur Morgan Fay them , seeking the Holy Grail , the adultery of Lancelot and Arthur's queen , Guinevere , the final battle with Mordred , Arthur legend 's return . Magic sword " Excalibur " Lady of the Lake Camelot and also play important roles . An important stylistic aspect of medieval Arthurian literature is that it is invariably modern anacronistăLucrările however, are usually placed in the Middle Ages or Dark Ages