Who Is Most To Blame For Macbeth's Downfall? I have chosen to write my essay about the cause of Macbeth's downfall. I believe Macbeth had an immense build up of hatred inside him waiting to be released. I will discuss the possible factors that could have placed the final straw on the camel's back and lead to the releasing of brave soldier Macbeth's bloodthirst, and why he committed the acts he did. The first suspects are the witches. After all it was their voices that implanted the thoughts into Macbeth's head that he would be king. When Macbeth heard this, he figured that no matter what he did he would become the king. After hearing King D