Macbeth, at the beggining of the story, is a great general of King Duncan and is apreciated by everyone. he is a very good friend of Banquo and is thane of Glamis from the beggining.
But, as he learns the prophecy told by the three Witches, he starts to change. He became more ambitious and kills the king to get his place. as he is crowed king, he sees a person suspected to be able to oppose him in everyone.
He finally kills Banquo and Macduff's familly, which seals his fate. he is killed by Macduff after he became pure evil.
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