The opening scene of Macbeth not only introduces the audience to the supernatural but it also establishes a theme of disorder through the presences of the witches, the stormy weather, and the bleak landscape.
Audience members would have believed in the presence of witches and their ability.
They can be treated as a single unit as they speak and act together.
They are agents of evil.
They know Macbeth will arrive on the heath and that he will become Thane of Cawdor
Their malice is shown in act 1, scene 3 as they torment the sailor’s wife by causing a storm to shipwreck her husband.
They sow the seeds of corruption in Macbeth’s mind by tempting him with promises of things to come.
They contribute to Macbeth’s downfall.
They only appeal to the evil that is in a person to make him damn himself.
Macbeth chose to accept the witch’s prophecies and his nature became corrupt.
They represent one side in the fight between Good and Evil.