This story is a sequel to The Taking of Tartarus
With the Lord of Chaos trying to get all the Tailed Beasts to bring an ancient force that almost destroyed the Enchanted Forest, the Lord of Order is forced to make a decision that will have consequences to Twilight and Blue Sword's son, Prince Star Knight. In order to protect the balance and the security of the Pony Reality, he orders that Kitsune, one of the Tailed Beast, is sealed inside of the young prince. With a great power inside of him, Star will have to master it unless he wants that power destroys everything he loves. While he does that, Star will also try to connect with Kitsune while he tries to deal with the troubles that having a monster inside brings.
Note: This story is based on the series Naruto, having terminology that belongs to that series, like "Tailed Beasts" and "Jinchuriki".
First story: The Life of a Young Colt
Second story: Twilight and Blue Sword
Third story: The Light Kingdom
Fourth story: The Taking of Tartarus