Enigmatic Insanity's past was ... well, enigmatic to everyone except for Celestia and Luna. What was her original name and what did its change have to do with Celestia? Why was she so willing to die for the Solar princess? All of these questions ran through Twilight's mind when Luna finally explained the queen's life and death to her. The implications were unexpected.

Like always, there's a song to go with this fic > Monster You Made Me