The ancient prophecy involving the legendary King Arthur and the Knights of the Round Table is known as the Arthurian Legend. This body of literature depicts the life and adventures of King Arthur, his quest for the Holy Grail, and his relationships with key figures like Merlin, Guinevere, and the knights themselves. The legends explore themes of chivalry, loyalty, and the struggle between good and evil. They have been pivotal in shaping perceptions of heroism and romantic ideals in Western literature and culture. The enduring popularity of Arthurian tales is evident in countless adaptations across various media, influencing both historical and fantasy narratives.