Thus, he developed his notion of hamartia, or tragic flaw, an error in judgment by the main character or protagonist.
However, hamartia can not be sharply defined or have an exact meaning assigned to it.
There is, however, no consensus about what constitutes a proper use of hamartia.
In modern discussions of tragedy, hamartia has often been described as a hero's tragic flaw.
His goal is frequently revenge, "hamartia" in a tragic hero.
In some ways, the rejection of his paternal feelings is his 'hamartia', which brings about his downfall.
This failure to act must lead to a change in fortune for the main character in order for it to truly be a hamartia.
True Aristotelian hamartia arises when mistakes or errors cause the plot or direction of action to change in a tragic way.