<span> that Arthur was killing them all?</span>
Answer: hey did you ever find the answer for this I need it aswell
Explanation:
He was a skin changer in the hobbit he shape shifted in to a bear and lived in the misty mountains
Answer:
Macbeth kills Duncan because the witches first give him the idea, his wife gives him the plan, and both (idea and plan) reinforce his blind ambition to be king.