I feel that throughout the story, Macbeth displayed most of the characteristics of being a tragic hero, not all at the same time in his life, but during all of his character changes.

One of the characteristics of being a tragic hero is sacrificing for the "greater good." Macbeth displays this in the second scene of the story, in which he is given the title Thane of Cawdor after killing the old Thane who was a traitor. During the battle, Macbeth sacrifices his life to fight this traitor, and ultimately wins. This event, though, fuels his tragic flaw, another example of a tragic hero.

To be a tragic hero, one must have a tragic flaw that ultimately leads to his demise. Macbeth's flaw, as stated by his wife was:

"Glamis thou art, and Cawdor, and shalt be

What thou art promised. Yet I do fear thy nature;

It...