"Kyoshi's place as the true Avatar has finally been cemented--but at a heavy cost. With her mentors gone, Kyoshi voyages to the Southern Air Temple, where she can master the elements beyond what she could have ever imagined. But while her bending grows stronger, a mysterious threat emerges from the Spirit World. To stop it, Kyoshi, Rangi, the daofei, and their reluctant allies must join forces before the four nations are destroyed irreparably"-- Provided...

Long live Solaris. One bloodthirsty ruler has been overthrown by another, casting the shadow of death over the Solaris Empire. Vhalla Yarl stands upon the stage of fate, prepared to do battle one final time. Fragile alliances will be tested and new bonds will be formed as the world is reshaped. She fights as the champion of peace, but when the night is darkest will she be able to pay the price of a new dawn?

After Saul reappears with an army of soldiers with Effigy-like abilities, threatening to unleash the monstrous Phantoms and bring death and destruction to the world, eighteen-year-old Maia and the other Effigies hope to defeat him by discovering the source of their power over the four classical elements, but they are betrayed by the Sect and bogged down by questions about the previous Fire Effigy's murder.

"Vhalla Yarl marches to war as property of the Solaris Empire. The Emperor counts on her to bring victory, the Senate counts on her death, and the only thing Vhalla can count on is the fight of her life. As she grapples with the ghosts of her past, new challenges in the present threaten to shatter the remnants of her fragile sanity. Will she maintain her humanity? Or will she truly become the Empire's monster?"-- Front jacket flap.

"A woman awoken in air, a soldier forged by fire, a weapon risen from blood. Vhalla Yarl has made it to the warfront in the North. Forged by blood and fire, she has steeled her heart for the final battle of the Solaris Empire's conquest. The choices before Vhalla are no longer servitude or freedom, they are servitude or death. The stakes have never been higher as the Emperor maintains his iron grip on her fate, holding everything Vhalla still has...