Macbeth

Supernatural elements can help advance the plot of a story by creating conflict.

Hecate

they give away just enough information about the story's events to keep the audience interested in finding out more.

Duncan's grooms, who he and Lady Macbeth have framed for the murder of Duncan. He claims to have been infuriated at their apparent guilt, when in fact he just wanted to shut them up.

Macbeth persuades the murderers to kill Banquo and his son

The crucial part. Without Lady Macbeth, this would have been Macbeth's final decision: "We will proceed no further in this business." Macbeth would never have killed Duncan unless Lady Macbeth had goaded him into it.

By playing on audiences fears

Banquo's ghost, which shows up at the dinner party the Macbeths are throwing. Only Macbeth can see him.

she calls macbeth weak

"Come, let me clutch thee. I have thee not, and yet I see thee still."

Audiences during Shakespeare's time considered witches and curses to be real and much scarier than todays audiences would.

killing king duncan (:

Fair is foul, and foul is fair.

ghost and curses

art thou afeared / to be the same in thine own act and valour / as thou art in desire?

(Apex) Spending the day at the beach reading a good book can be a balm for a troubled heart.

Duncan is such a good and popular king; it would be cruel to kill him and make the country sad.

the flighty purpose never is o'ertook/ unless the deed go with it

(Apex Learning) He is sad and regretful about the actions that have led him to battle against his former friends.