Genius repairman Lu Zheng unearthed a bizarre engineering mech, the "Glutton", from a mountain of mechanical scrap. This mech continuously evolves by devouring exotic beasts and mechs. He saved Yan Qing, an ace sniper who was being chased in the uptown area, but accidentally uncovered a shocking conspiracy of the Grand Archon Wei Ke. Wei Ke was actually using the civilians in the benthic zone as feed, raising artificial exotic beasts in captivity to advance his ascension plan. Lu Zheng piloted the Glutton, devouring and evolving along the way, from the slums to the death wilderness. He awakened the legacy of the first generation of ancestors and ultimately led the army of exotic beasts to launch a revenge war against the hypocritical Mirror Sky City.
