She has endured deadly trials and devastating loss—but at an unimaginable cost. Now, Celaena embarks on a journey to a distant land to confront the deepest secrets of her heritage, truths that could forever alter her life and future.

Meanwhile, ruthless and monstrous forces are amassing on the horizon, intent on enslaving her world. In the face of this looming darkness, Celaena must summon the strength to battle not only her inner demons but also the evil about to be unleashed.

Will she rise to embrace her destiny, or will the shadows overcome her? The fate of her world rests in her hands.