The Crystal Heart blesses the Crystal Empire with warmth and constant spring. However, during the Equestria Games, the Crystal Ponies grow so exhilerated its warming magic reaches farther out than ever before. And beneath the ice, something awakens.
A mad cultist decides that the best time to fulfil a forgotten prophecy and open a portal to the interdimensional void is now. As he himself is unable to do so, he requires the aid of somepony more magical. And he knows just the pony for the job..
When Twilight Sparkle went to bed, she had friends she loved and a life she enjoyed. But she awoke to hospital gowns and padded restraints. And the doctors, they keep telling her that she is sick and none of it was real. They’re lying, right?