For thousands of years Equestria has enjoyed a state of relative peace. But now that peace is being threatened by an ancient evil that has long been dormant. The Mane Six now face a threat that Princess Celestia and Princess Luna together were not able to permanently defeat, forcing them on the most perilous journey of their short lives and testing their bonds to the breaking point. Will they succeed? Will they even survive?

Potential character death is ahead, be warned.