In the Tempest how does Ariel affect the tone?

In "The Tempest," Ariel significantly influences the play's tone through his ethereal and whimsical nature. As a spirit who serves Prospero, Ariel embodies themes of freedom and enchantment, contributing to a tone that oscillates between magic and melancholy. His lighthearted and playful interactions contrast with the darker elements of the story, such as revenge and betrayal, thereby infusing the narrative with a sense of hope and possibility. This juxtaposition enhances the overall atmosphere of wonder and transformation throughout the play.