"Facing dark magic, a perilous journey, and a standoff against the witches, can Kamzin, Lusha, and Tem find the star and save their Empire?"--Provided by publisher. After the terrifying events on Mount Raksha, the witches have returned-- and River has betrayed Kamzin to regain his dark powers. The witches' next step: march on the Three Cities and take over the Empire, led by River's brother, Esha. To prevent the fall of the Empire, Kamzin must find...