What is an example of a climax in Act 3 of Romeo and Juliet?

Most readers understand Act III, Scene 1, as the climax of
Romeo and Juliet due to the increased speed of the action in the
events. After Tybalt kills Mercutio, Romeo is full of emotion and wants to have a duel
with Tybalt.

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And fire-eyed fury be my conduct
now!

Now, Tybalt, take the 'villain' back
again

That late thou gavest me; for Mercutio's
soul

Is but a little way above our
heads,

Staying for thine to keep him
company.

Either thou or I, or both, must go with
him.

While Romeo and Tybalt
fight, Romeo kills Tybalt with his sword. This is the highest action point in the
play;thus, it is the climax. All the events from here onward are part of the falling
action of the play. When Prince Escalus inquires about the death of Tybalt and Mercutio
at the end of Act III, Scene 2, he is told that Romeo is responsible for the death of
Tybalt; therefore, the Prince banishes Romeo.