1. Resolution of Conflicts: The appearance of the fairies helps to resolve the play's central conflicts. Oberon and Titania resolve their dispute over the changeling boy, leading to the reversal of the love spell cast on Demetrius. This resolution allows for the restoration of order and harmony among the mortal characters and sets the stage for the joyful resolution of their romantic entanglements.
2. Magical Transformation: The arrival of the fairies introduces an element of magic and transformation into the play. The presence of the supernatural realm enhances the play's fantastical and dream-like quality, adding a sense of wonder and awe. This shift in tone highlights the play's exploration of love, desire, and the transformative power of emotions and external forces.
3. Ethereal Atmosphere: The appearance of the fairies brings with it an ethereal and enchanted atmosphere. Shakespeare's use of poetic language, imagery, and music in the scenes involving the fairies creates a surreal and dream-like ambiance. This shift in tone sets the stage for the play's final scenes, which emphasize forgiveness, healing, and the power of love to overcome obstacles.
4. Resolution of the Play's Themes: The denouement, aided by the presence of the fairies, ties together the play's exploration of love, deception, and the transformative power of dreams and illusions. The resolution of these themes adds depth and meaning to the play's comedic elements, giving the denouement a sense of closure and satisfaction.
5. Contrast with the Mortal World: The contrast between the mortal world and the fairy world highlights the play's themes of reality, illusion, and the power of imagination. The fairies represent a realm beyond human understanding, adding an element of mystery and otherworldliness to the play's conclusion.
In conclusion, the appearance of fairies in the denouement of "A Midsummer Night's Dream" transforms the play's tone from lighthearted comedy to a more dream-like and ethereal atmosphere. It aids in resolving conflicts, introduces magical elements, and emphasizes the play's exploration of love and its transformative power. This shift in tone enhances the play's themes of reality, illusion, and the interplay of human emotions and external forces, creating a satisfying and enchanting conclusion to the play's comedic narrative.