Apple Bloom had gotten her cutie mark in inventing things years ago, and left to pursue it. For the first time in these years she is going back for a visit, and has something amazing... if it works. When she left, Apple Bloom made a promise help someone, and has finally done so. She thinks she has at least. This joyous reunion, and the reveal of an inventor's greatest creation.

one-shot

cover-art from google images, i don't own it in any way shape or form.