How does Macbeth's character Change

"The service and the loyalty love, in doing it, pays itself. Your Highness´ part, is to receive our duties." (I.4.22-4)

Macbeth expresses this seeming loyalty to King Duncan directly, however, in an aside a few moments later Macbeth expresses his absolute desire to fulfil the witches´ final prophecy. This double-dealing will be the cause of his final downfall. The King announces that his heir will be his eldest son Malcolm. He has conferred upon Malcolm the title Prince of Cumberland. This means upon the King´s death Malcolm shall become the King of Scotland. In this aside, Macbeth expresses his thoughts to the audience only, he pledges himself to the darker world of the supernatural.

"…Stars hide your fires, let not light see my black and deep desires" (I.4.5I-2)

Macbeth is aware that those from the dark side bear no conscience, and for this deed he desires this quality. The witches possess no ethics and when Macbeth realises that Malcolm poses a threat to him directly, he loses his sense of right and wrong.

Here the audience is convinced that Macbeth´s intends to kill the King. Within the space of a few short scenes he has deteriorated from a worthy and brave soldier to a potential murderer. It is upon the entrance of Lady Macbeth that the audience sees a new dimension to Macbeth´s character.

In this exchange towards the end of act one the audience senses the deep irony in this conversation between and Duncan and Banquo. Both will become victims of Macbeth´s ambitions. In hearing them complementing the surroundings so vividly, the audience fears for their safety and conversely despise Macbeth all the more. Since, Macbeth´s closest friend and King tru ...