Before Celestia chose Twilight as her student, she took in another long ago. But an incident cause the Princess to banish her student from Equestria. the student lost hope in his princess and val to return to over throw her.


Years later, that same banished pony returned to Equestria to become Overlord and retch the world into darkness and chaos.

Celestia learns of her former students return and acts Twilight Sparkle and her friends to stop him before he destroys Equestria or worse.

but if the mane 6 can stop him, who will.