Answer:
are u sure there wasnt a fourth answer ive read the book and watched the movie? But if I were to say I would say Excalibur being destroyed
Explanation:
Uther Pendragon's reign in Camelot fell to Morgana when Morgause acquired the Cup of Life, using it to make Cenred's army immortal in order to invade Camelot. Cenred is betrayed by Morgause and killed. The Fall of Camelot was an event when Uther Pendragon's reign in Camelot fell to his daughter Morgana.
