The Great Celestial War isn't coming. It's already here.After taking over the artificial metal planet from the enemy, Jace must focus his energies on locating Athena, the missing Cognitive and one of the greatest intelligence assets to ever exist.But Athena's whereabouts are entirely unknown. With no sign or clue to guide the search, Jace must continue to explore the many layers deep inside the planet, for they hold many secrets and technological...