Who are the bad guys and why are they bad in king authurs story?

In the legend of King Arthur, the primary antagonists include characters like Mordred, who betrays Arthur, and Morgan le Fay, who embodies treachery and dark magic. Mordred's ambition and desire for power lead him to rebel against Arthur, ultimately resulting in a tragic conflict. Morgan le Fay, often depicted as Arthur’s half-sister, uses her magical abilities for manipulation and vengeance against Arthur and Camelot. Their actions disrupt the ideals of chivalry and honor that Arthur and his knights strive to uphold.