In Shakespeare's story Macbeth, we first heard of Macbeth as a brave and capable warrior. We then see him interact with the three witches and we realized that his physical courage is joined by a consuming ambition and a tendency to self-doubt. As things fall apart for him at the end of the play he seems almost relieved, with the armies at the gates, he can finally return to life as a warrior, as enemies surrounding him and drag him down.
            
             Throughout Macbeth the supernatural and the unnatural appear in distorted form of wickedness, moral corruption, and downfall. The appearance of Banquo's silent ghost, the reappearance of the witches, and the introduction of the goddess Hecate all symbolize the corruption of Scotland's political and moral health. Some of the scenes involve supernatural elements to increase the sense of foreboding and ill omen. In the physical landscape that surrounds Macbeth, the normal rules of nature serve as weak constraints against the witches and the horrific ghost of Banquo.
             It is unclear whether Banquo's ghost really sits in Macbeth's chair or whether the spirit's presence is only a hallucination inspired by guilt. Macbeth is thick with supernatural events and characters. Some of the apparitions that appear in the play, such as the floating dagger (act 2, scene 1) and the unwashable blood that Lady Macbeth perceives on her hands (Act IV) appears to be more psychological that supernatural in origin. These recurring apparitions or hallucinations reflect the sense of metaphysical dread that consumes the royal couple as they feel the fateful force of their deeds coming back to haunt them.
            
             Banquo's knowledge of the witches' prophecy makes him both a potential ally and a potential threat to Macbeth's plotting. The witches are vaguely absurd figures, with their rhymes and beards and capering. They are clearly sinister, possessing a great deal of power over events. The witches' prophecies allow Macb...