The "Holy Grail Legend" refers to the mythical object often described as the cup used by Jesus Christ at the Last Supper. It is believed to possess miraculous powers, including granting eternal life or healing. The Grail has been a central theme in various Arthurian legends, where it is sought after by knights, particularly Sir Galahad. Throughout history, the Holy Grail has inspired countless stories, art, and literature. Its quest symbolizes the pursuit of spiritual enlightenment and divine grace. Many interpretations exist, with some viewing the Grail as a metaphor for inner truth rather than a physical object.