Formally known as The Rainboom Heard Around the World.

Twilight witnessed something as a filly. Something that changed her life, and eventually led to the strong friendships she has now forged. A sonic rainboom. But due to a mistake she made, Twilight can't remember it, nor does she know it ever existed. On the other hand, Rainbow Dash's life was thrown into turmoil soon after the sonic rainboom. And although she has mostly recovered now, the painful memories continue to lie just below the surface.

It's now the day of the Best Young Flyers competition. What's the worst that could possibly happen?

Cover art courtesy of lostzilla

Pre-read/edited by Daetrin and Rainbow Skywalker