"In the aftermath of Sombra's return, the balance between light and dark magic has been destroyed and chaos has broken out in Castallan and around the world. Sombra's shadows have taken over to create monstrous versions of everyone Finn and Alfie love, and with war between Castallan and Englass looming, the prince and the thief must band together one last time--to save their entire world. To stop the magical imbalance, they must find the stone relics...