In order to build this Stone City, an area of the Boulder Valley had been cleared out. After the wall was built, this open space became the inner area of the stone city.
The last time Donnie left, it was just an open space, but now, he found that the open space was full of giant metal monsters!
They were about five meters tall and had an extremely strange shape. They were like two-legged deformed Giants that were standing in place with their arms crossed.
The large-caliber six-barreled machine gun and electromagnetic gun that were exposed showed that these fighting robots had fierce firepower and their power could not be underestimated!
There were about a hundred of these metal Giants, standing in neat rows on the empty ground.
Although the metal Giants didn't move at all, Donnie and the others could still feel a terrifying aura from them. It seemed that once they moved, they would turn into killing beasts that no one could resist!