How does the appearance of the fairies in the denouement of A Midsummer Night's Dream affect the tone of the play?

The appearance of the fairies in the denouement of "A Midsummer Night's Dream" adds a sense of magic and fantasy to the play, enhancing the whimsical and dreamlike tone. It ties up the loose ends of the plot and reinforces the idea of enchantment and transformation that runs throughout the story.