There's absolutely nothing that I have to lose, and there's nothing that can be done to knock me any lower; what possible weakness can the weakest of the weakest possess?
Nyx finds herself in the Pony version of Purgatory after Twilight brings a special mirror to the Library. There she finds the lost soul of an Equestrian hero, Snowdrop.
Scootaloo overhears Twilight talking about a time travel machine. She breaks into the library and travels back in time to meet her hero, Rainbow Dash, as a filly. It would have been the perfect plan if Dash had been anything like she expected.
When a simple small town Pegasus finds herself out of work, she takes up the offer of an old friend to move to the big city. After all, it has been over ten years since portals to the human world were opened, ponies do this all the time now right?
Twilight and her friends knew each other from the start. Becoming heroes was unexpected, but welcome. Now that the wedding of Shining Armor draws near though, it's time to meet up with an old friend, and execute their true plan.
Since the creation of the Elements themselves, the bearers of Harmony have never found true happiness. After seeing so many generations of unfulfilled ponies, Princess Celestia decides to do something about it.