See the world in turmoil eternal, the spirit of chaos heralding the rest loudly. Then see the land invaded by those who pretend, though are not. Finally, see the return of the crystalline kingdom, restored, complete in full glory. Once these three come to pass,
the last act will become reality. The Dark Dragon will return at last, the Lord of Chaos, to be feared by many.

Twilight has a dream of something dark to come. When she can't figure out what it is, she goes to her mentor Princess Celestia for answers. But, upon hearing her visions, Celestia turns her student away and said it was forbidden to speak about it. What was so dark that it couldn't be revealed when the fate of Equestria rested on that knoweledge? Unfortunately, Twilight finds out very soon….and once the events are set into stone, nopony can hope to stop the Downfalls.