The Equestrian Empire has seen its glory days come and go. Far too long has Equestria sat at the top of her neighbors, and far too long has it been since Equestria's might been truly tested. Now, with the migration of the Diamond Dogs out of the Badlands Equestria's antiquated Royal Guard struggle to contain their borders. Celestia and Luna turn to Twilight and her friends to help revive the Equestria that once was, but the task may be more then even the Power of Friendship can handle...