War has spread, and nations have fallen. Only one nation remains strong enough to stand in defiance to the might of the empire. With the weight of Valat's survival falling on his shoulders, Atticus begins to fall apart, and with his power steadily increasing, he fears hurting those he has sworn to protect. Ryder once more takes charge of the Woodland army and leads them in a tide-turning battle where treachery lurks in every corner. Having done nothing more than hide and watch, Erin begins to unlock her full elemental potential while Syler finds himself trapped in promises that leave him on the front line of danger. The four must travel through hostile territory, fight through monsters thought only to be myths, and make the hardest sacrifice yet. Their sacrifice may mean the reckoning of Valat.