Demon Evolution

In the year 3069, Earth is on the brink of destruction due to an invasion by demonic forces. Humans manage to change the course of battle at the Battle of the Dawn by using advanced grafting technology to harness demonic powers against their enemies. Amid the turmoil, Aang, the Mightiest Warrior, meets his downfall, but his death is not the end. Instead, he mysteriously travels six decades into the future, carrying with him the ultimate demon power—a force that is both powerful and dangerous. To confront his past mistakes and discover the truth, Aang must evolve in order to control the demon within him.