The appearance of Banquos ghost provides insight into Macbeths character. It shows the level that Macbeths mind has recessed to. When he sees the ghost he reacts with horror and upsets the guests. Macbeth wonders why murder had taken place many times in the past before it was prevented by law -statute purged the gentle weal- and yet the dead are coming back. The final form of the supernatural is the air-drawn dagger which leads Macbeth to his victim. When the dagger appears to him, Macbeth finally becomes victim to the delusions of his fevered brain. The dagger points to Duncans room and appears to be covered in blood. The dagger buttresses the impact of this key scene in which Macbeth slays King Duncan. The supernatural is a recurring aspect in many of the plays by William Shakespeare. In Hamlet and Macbeth the supernatural is an integral part of the structure of the plot. In these plays the supernatural provides a catalyst for action by the characters. It supplies insight into the major players and it augments the impact of many key scenes. The supernatural appeals to the audiences curiosity of the mysterious and thus strengthens their interest....