Twilight Sparkle is organized. Twilight Sparkle is very, very organized. Twilight Sparkle has never told anypony why she's so organized. Until now. || One-shot, edited and extended.
All students of magic know the legacy of Starswirl the Bearded, personal student to Princess Celestia. He was a genius; a mage of formidable power and ingenuity. Few ponies know that his greatest legacy is that of his greatest, and last, failure.