Everypony knows that King Sombra was destroyed by the Crystal Heart. A year later they were proven wrong when Sombra alive began an assault on the crystal empire. Equestria quickly rallied and pushed Sombra army of shadows back to his cave in the frozen north. Unaware to anypony, Sombra had begun a constructing his own weapon to destroy the Main Six and Shining Armor. A pony made of shadows from their own darkside. What will happen to this Shadow when it's creator dies and it follows the Main Six back to Ponyville?