Sienna's CircleShe discovers a powerful silver metal sphere that warps reality around her. While ruling Tent City, Sienna decides to put on the Amalgam Games to tempt the Order into fighting her. Sienna becomes a force to reckon with by the end of the book, and Alice returns to the Arena to try and stop her. In Sienna's Circle, the stakes are higher as the struggle for power and control reaches a pivotal moment.