[quote=@Spriggs27]
You know what I have to just make a hypothectical, what if she had an impact on the whole world ? and felt depressed enough to kill herself and the world and made the entire world not exist ? 
[/quote]

According to the sheet she can only affect events she was involved in or things in a small radius. So she can only remove the event she was involved with happening, and the universe carried on as if it never happened.