Only a short time has passed for the newly crowned Princess Twilight Sparkle, and her newfound title is already being put to the test. Deep in the heart of the Badlands, an old enemy stirs and threatens to destroy Equestria forever. After healing her wounds, the mighty queen of the Changelings, Chrysalis, has returned with a new seething hatred for everypony, but she is not alone. From the deepest bowels of Tartarus another enemy writhes from his grave with the same ambition, the dark lord of shadows, Sombra. Now Twilight and the gang must race to find allies to rise up and stand against the impending march of the King and Queen's monstrous army. But will the Mane 6 succeed? Or will they witness the destruction of their home, first hand?