The era for peace is over. Despite the best efforts of the Alicorns, an ancient enemy has returned to resume a war forgotten by even Princess Celestia. A world is plunged into darkness. Old foes must become allies if they are to survive.
Chrysalis has never been what most would call an 'ideal mother' to her only living daughter, the sickly Crown Princess Pupa. However, after a dreadful incident, the Changeling Queen is forced to confront her missteps as both a mother and a ruler.
Treachery sends Princess Luna tumbling into the Everfree. Stuck, she copes to live among its grisly inhabitants. Survival is not an easy task, she can tell...
Dimentio drags a surprised closet-brony into Equestria. Along the way, he learns of the magic of friendshi-Nope! Instead Dimentio begins a new quest to destroy everything and create his own perfect dimensions that he may rule.