Equestria was won after the Princesses used the elements to stop Discord. They then built their first castle in the Ever-free forest; though they thought that the worst was behind them, it was about to get worse. They were attacked by Asguardians, from ancient Norse mythology, and they brought an entire army. The Asguardians were defeated with the Elements of Harmony. Now, with the Elements gone, how will Nation defend themselves? Will they fall when an attack comes again? Will the friendship between the Mane 6 survive? Will Nightmare Moon have to return in order for Equestria to defend itself? Read Attack of the Starbridge to find out!