Here is a writing prompt for you: Write a story about a character who discovers they have the ability to time travel, but soon realizes that changing the past has unforeseen consequences in the present

Here is a writing prompt for you:

Write a story about a character who discovers they have the ability to time travel, but soon realizes that changing the past has unforeseen consequences in the present. How do they navigate this newfound power and the moral dilemmas that come with it?