Long ago when Equestria was wholly unspoiled, there lived a great alicorn king called Dagon who lived in the Chocktaw Mountains in the kingdom of Coronet. Beneath the rocky face of the mountains lay gems of such brilliance and magical power never before seen in pony eyes before. The king, who wanted this power for his own, decreed that any pony who mined the mountain and found for him a gem of such caliber would be granted one wish. Only three ponies ever found such gems; the ponies Titan, Aurora, and Consus. Titan wished for the power of flight, and thus the first pegasus was born. Aurora wished for her own magic, and thus the first unicron was born. However, Consus, a humble pony, asked for something much more dangerous and powerful: knowledge.

This story has been passed down for thousands of years and now resides in a hidden chamber in the Canterlot libraries found at the castle bound in an ancient tome. But the story is unfinished. Princess Celestia has set the newly crowned Princess Twilight Sparkle to the task of finishing the story. But can she decipher the mystery of the old mare's tale?