What is the climax of le morte d'arthur?

The climax of "Le Morte d'Arthur" occurs during the intense confrontation between King Arthur and Sir Mordred at Camlann. This pivotal moment is marked by betrayal, as Mordred attempts to seize the throne, leading to a fierce battle that results in the deaths of many knights. Arthur ultimately mortally wounds Mordred, but he is also fatally injured in the process, signifying the tragic end of his reign and the fall of Camelot. This climactic encounter encapsulates the themes of loyalty, betrayal, and the tragic consequences of ambition.