Rivet, the last remaining Alicorn has had a very long life. He is known as the last bridge between Imperial Equestria and modern Equestria. Despite being over two thousand years old, he has never discovered love, until a special mare comes his way.
Despite her best efforts to maintain harmony, Celestia can't get the mortal ponies of Equestria to stop hating on each other for more than a millennium. So she's just burn everything.
Magic being drained from Equestria once again. Equestria on the brink of another civil war. And with her friends dead, is it any wonder Twilight is having a massive panic attack/mental collapse?
What better way for a franchise to reboot itself than with a boardroom full of old, white men trying to figure out what the hell a "yeet" is? Anyway, here's to new horse.
...is to have their magic completely and utterly annihilated by a simple tennis ball. Until they take it off, that is. There's a reason why they have to wear them.