Celestia, queen of Equestria, and feared conqueror had been Twilight Sparkle's mentor for years. Celestia taught Twilight everything she knew about battle, warfare, many things that had served her well. Yet now, Celestia has forced Twilight into an exile's death.

The ancient dragon queen, Tiamat, has been manipulated by Celestia into ending the life of Twilight Sparkle and her elite army. The battle is brutal, and it has drained on Twilight Sparkle, yet in a war of attrition, the dragon army will win. Twilight must do what she must to save herself and the ponies who have fought and died on her behalf.