When every-pony is missing a new pony comes before the dissaperance of everybody a pony named "Darkhooves" comes and chants the princess to take over,as soon as the weeks go by more by more pepole become missing.is it fear?…….or is it just cold blooded murder?.Thunderdash finds out it was Darkwhooves so she flys to Twilights library to get the elements of harmony but when she finds out their gone……DISCORD!!!!! thunderdash and her 5 other friends use not only the elements……but the power of their fury……next stop…..PONY HELL