Gray mist invades the city, and swarms of insects surge forth. A magnitude-7.5 powerful earthquake rips Spark City apart. Nero pilots Flame to battle a hundred-meter colossus. They defeat the foe only at the cost of hyper-coupling, which sows the seeds of disaster.
Before the smoke of battle clears, eerie gray mist that devours the senses engulfs the war zone. A second colossus hides within the fog, creating illusions and laying an ambush using convoys as bait. It keeps learning their tactics.
When Nero and Morey perceive entirely different worlds, what can the two mechs trust? And how do they strike an enemy that cannot be seen at all?