[@FunnyGuy]

She wants to be able to use it on anyone or thing at any and all times. No power should be able to read things as well as a person's history. That would give her the power to change your character's past on a whim. That in turn let's Retro write the present and the future. 

Where does the power to "read" and how is she doing it? Magic is not allowed and neither are certain telepathic powers. This needs limits on it.