Durendal is a legendary sword associated with the hero Roland, a key figure in the epic poem "The Song of Roland." According to the tale, Durendal is said to be indestructible and possesses magical qualities, symbolizing strength and valor. It is often depicted as a weapon of great importance in battles. The sword is believed to have been forged by the mythical blacksmith Vulcan and is said to contain relics, including a piece of the True Cross. Durendal represents not only physical power but also the ideals of chivalry and loyalty in medieval literature.