The world changed forever the night the Luxen arrived. Katy can hardly believe that Daemon, the boy she loves, stood by while his kind threatened to wipe out every human and hybrid on Earth. The invasion has begun, and the lines between right and wrong, friend and enemy, have completely disappeared. Daemon has always sworn he would do absolutely anything to protect the people he cares about, even if his choices look exactly like betrayal. But as the planet crumbles into war and chaos, trusting the wrong person could mean the end of everything. In this thrilling final chapter of the bestselling Lux series, Katy and Daemon must navigate a devastated world where impossible choices wait at every turn. They will have to risk their lives, their hearts, and their trust in each other to ensure the survival of mankind. The ultimate battle is here, and losing is not an option.