In a world where Rainbow Dash witnessed an epic magical duel as a filly, the day before the Summer Sun Celebration was supposed to be just a boring delivery. It turned out Ponyville had something more in store for Rainbow Dash than she would ever have guessed.
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Marked 'Complete' but I'm not sure yet if I want to do anything more with this. The story should work reasonably well as a one-off chapter, but if I decide there's more to be written, I'll probably come back to it.