The Moon, three thousand meters underground, Guanghan Palace Underground City.
The central teleportation hub hall.
Soft simulated daylight poured down from above in this domed hall, large enough to accommodate tens of thousands of people assembling, illuminating the cold metallic sheen of its special-alloy floor.
At the very center of the hall, a gigantic Portal over a hundred meters tall stood silently.
Heavy cargo trucks, fully automated Engineering Robots, and soldiers and technicians in Great Xia military uniforms moved in and out along marked lanes in an orderly fashion. The entire hall bustled without the slightest congestion.
Boom! Boom! Boom!
The heavy clang of metal footsteps suddenly came from the other side of the Portal.
Two hundred Pangu Mecha, each six meters tall and painted a dark, somber black, marched through the Portal in perfect unison.
Every time their steel soles landed, a deep rumble reverberated through the alloy floor.
They carried high-frequency combat blades on their backs, and bright red Great Xia military insignias were emblazoned on their chest armor. An icy, savage mechanical pressure instantly swept through the hall.
The moment this mecha formation appeared, the busy people around them all slowed their steps.
No one had imagined that the first group of mecha pilots coming to the Moon for testing today would not be humans.
Inside were Dwarf warriors as stout as barrels, their beards braided, along with warriors of the Half-Orc Clan: Winged People, the Fox Charm Clan, and the Cat-Eared Clan, all with differing builds.
Inside the Pangu Mecha at the very front, the pilot was a slender girl of the Cat-Eared Clan.
Her name was Annie.
The pair of furry cat ears atop Annie's head were now completely enclosed by a holographic neural-interface helmet.
``` [Pilot, you have arrived at the central hub of