Developing new spells is a dangerous game.

When done right, the invention of a new spell can change the world, but even a slight miscalculation can have serious repercussions.

Twilight Sparkle is the best of the best, there's no doubt about that. But when a magical experiment backfires, she has to contend with the most horrible of all unintended side effects: Magic Feedback.

Let the hiccups begin.