Design a therapy session between two opposing forces of nature (like Fire and Ice, or Gravity and Light).
Write a letter from your future self, but only mention completely trivial and oddly specific changes in the world.
Reverse-engineer a famous person's internal monologue during a specific historical moment. Example: What was going through Mona Lisa's mind during her portrait sitting?
Write a job rejection letter for a superhero applying for a normal 9-5 job. Explain why their superpowers would actually be problematic in the workplace.
Write a 'missed connections' ad from one famous historical figure to another who lived in a completely different time period.
Compose a series of text messages that tell a classic fairy tale from the villain's perspective.
Create an overly honest product description for a mundane household item, written by an alien trying to understand human customs.