The Act III of the Tragedy of Macbeth serves the main purpose of introduction to the play's climax.
Summary: Act 3, scene 3:-
The murderers kill Banquo, who dies urging his son to flee and to avenge his death. One of the murderers extinguishes the torch, and in the darkness Fleance escapes. The murderers leave with Banquo's body to find Macbeth and tell him what has happened.
Importance:
In Macbeth, act 3 is possibly one of the most important acts in the whole play. It adds a lot of tension and changes the play upside down. It also adds a few new characters to the play who are starting to influence the story.
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