"Descending upon" is a phrase that typically has a negative connotation, implying that something is imposing or overpowering. Antonyms for this phrase would include ascending from, lifting off, rising up, and floating away. These phrases convey a sense of freedom, lightness, and even joy, contrasting with the weight and oppression associated with descending upon. By using these antonyms, writers can create a more optimistic and uplifting tone in their language, giving their readers a sense of hope and possibility instead of resignation and despair.