How does Macbeth's ambition lead him to his tragic demise in Shakespeare's Macbeth?

, theand tragic hero in
's , possess hamartia. Hamartia, named by Aristotle in Poetics, is a tragic
flaw possessed by any tragic hero. This flaw is just that, tragic (meaning deadly).

Macbeth's hamartia is his ambition. While his ambition grows over the course of the
play, it exists prior to his hearing of the prophecy of. Given that he is a renowned
soldier,...