Discord is a jerk. He promised Rocket Sky that he would change his fate, but now that it has happened Rocket realizes that he should have paid attention to Discord's words. Now he and his friends are back in Canterlot they have to relive the events that had led to Rocket becoming an alicorn, but with a huge bucking twist. Rocket's not a unicorn anymore, just a normal pegasus.
Discord will pay for what he has done.
The sequel to The After Party and To Save a King.