District Eleven—the Arkham District of the Main World—but this place had already become the supercenter of metropolitan Gotham.
Steel walls, castle-like defenses, and patrol ships circling overhead cast down blazing beams of light, making the place as bright as day.
Overman, the Nazi Superman, wore handcuffs on his hands, wounds on his face, and a gloomy expression. He clenched a balance explosive between his teeth.
The rectangular explosive resembled a box. It had an air tube on top and a steel ball floating at the front.
Air had to be steadily blown into it to keep the steel ball hovering in place. If the blowing was too forceful—
Or if the steel ball fell, the explosive would detonate.
Miao Mu had even thoughtfully prepared a necklace for Nazi Superman, taping it tightly around his neck.
An Elemental High-Explosive Grenade, specially modified.
It was a devastating weapon The Grim Knight had developed after repeatedly comparing designs based on the Arc Reactor. It could blow up an entire building.
Now, Nazi Superman's life hung by a thread.
Since death would leave him without even a corpse, Nazi Superman could only let Miao Mu and the others manipulate him as he walked in front.
Using his highly recognizable face as a pass.
Everything ahead was simple enough. They only needed to approach that enormous building, a cylindrical skyscraper shaped like a tree stump.
The base entrance for the World Traversal Gate—the portal.
Miao Mu and the others did not disguise themselves. They simply strode in openly, except they had a hostage in their hands.
"Let him go!"
At the entrance to the base stood a group of heavily armed Nazi soldiers.
They guarded the place alongside Nazi Bat, who wore specially made black iron armor, a pointed-eared cowl, and leather wings.
The greatest