For the first time since Luna's birth, a star has fallen. And that means someone who will change Equestria, for better or for worse unknown, has been born.

But when Celestia finds the new Alicorn, the dark aura at the starfall site warns her that this birth does not bode well.

But hidden away from all for so many years, An otherwise ordinary alicorn colt has festered and grew dark, and Celestia fears she may have created the monster she tried so hard to prevent.