NIGHTBRINGER | The Arthurian Encyclopedia

Well of Lac


A spring near Karnant from which King Lac of Outre-Gales received his name.

According to Wolfram, the water of the spring could mend the Grail Sword if it was shattered. After Perceval broke the sword in a duel, the spring was able to repair it.


Source
Parzival | Wolfram von Eschenbach, 1200–1210