The day Twilight earns her cutie mark, something unexpected happens that no pony saw coming. Twilight undergoes a transformation due to an absurd amount of magic and literally becomes the spirit of magic.
What if Twilight had been born an earth pony and not a unicorn? No school for gifted unicorns, no burst of magic when she got her cutie mark and, most importantly, no student of Celestia. What fate awaits Equestria?
Rainbow Dash sets out to defeat the legendary witch Twilight Sparkle and collect the five hundred million bit bounty on her head. The one thing she wasn't counting on was Twilight being less evil than she expected.