In Equestria's distant past, long before the rule of Luna and Celestia, before even Discord and the endless winter, the three tribes of ponies lived united, but they were not alone.
Among the tribes lived another race, unskilled in magic, incapable of flight, and without the natural talent to farm, they relied instead on their strength, industriousness, and ingenuity to find their place amongst the ponies.
In their time they were known as great builders and artisans, a gentle hand molding the world of culture and bringing joy and shelter to all.
But history learned them by another name.
Knights, the great warrior race that faced the armies of Tartarus and perished in victory, or so the legend goes.
But as Princess Celestia, the Elements of Harmony, and all of modern Equestria shall soon learn, one should not put trust in the words of fairy-tales...