The Prophecies Begin - Book 2 Skyfall is a ThunderClan warrior now, but her troubles are not yet over. With the chill of leaf-bare setting in, the Clans are getting restless, and WindClan grows weaker as they face threats from all sides. Skyfall must face these troubles head on, some much closer than others, to protect the future of not only ThunderClan, but all four Clans combined.