Why is this act 5 scene 1 in prose?

Act 5 Scene 1 of a play may be written in prose instead of verse to signify a shift in tone or to depict a more casual or informal conversation between characters. It can also provide a contrast to the formal language used in other parts of the play, allowing for a change in pace or mood. Ultimately, the use of prose in Act 5 Scene 1 serves to enhance the overall dramatic effect of the scene.