The Bear King — [s5e9]

: With the help of Mulan and Ruby (Red) , Merida discovers that King Arthur was the knight who killed her father in a quest to claim the helmet for Camelot.

: Merida is confronted by the Witch, who demands the return of an enchanted helmet that King Fergus (Merida's father) allegedly used to lead his troops to victory. If it is not returned by sundown, the Witch threatens to turn the entire kingdom into bears. [S5E9] The Bear King

: Acting as the primary antagonists of the episode as they search for the helmet to boost Arthur's power. : With the help of Mulan and Ruby