Shakespeare uses supernatural elements such as witches, dagger and Banquo's ghost in his drama "Macbeth". Banquo's ghost appears in act 3, scene 4, This act foreshadows the prediction of witches and further actions in the drama.
The emphasized supernatural element in Macbeth is a prophecy. It tells that Macbeth will be the king. The prophecy is important because it has a great impact on Macbeth. It is a true prophecy and Macbeth became a king.
The prophecy contains three predictions. One is that he will become Thane of Cawdor. The second is that he will be the king. The third refers to Banquo and that he will not be a king.
