At that moment, Bai? said through the window.
"I've released 'Black Null.' It has entered Mermaid City."
"Next, through the avatars left behind by 'Black Null,' we'll be able to see what's happening inside Mermaid City directly."
As Bai? spoke, a palm-sized Black Null crawled onto the girl's shoulder.
It then projected streaks of light, which rapidly intertwined in the air to form a holographic image.
It was a scene seen by Black Null's main body and projected through its avatar so that Luo Yan and the others could understand what was happening in the city.
The holographic image showed a street somewhere in Mermaid City.
The street, from the ground to the buildings on either side, had been frozen solid beneath layers of ice, turning it into a veritable city of ice.
At that moment, figures appeared in the distance. A short while later, several humans could be seen using tools to drag enormous chunks of ice forward.
No one knew where they were headed.
Behind the humans was a humanoid monster.
It stood roughly ten meters tall—large enough to be called a giant by human standards.
The creature was thin, with long arms and legs. Fangs jutted from its mouth, and four eyes grew on its face.
It seemed to be monitoring the humans. Whenever someone slowed down or collapsed from exhaustion, the monster would lightly rake its claws across the person's body.
Stimulated by the unbearable pain, the people would struggle to continue with the work at hand.
Since Black Null couldn't transmit sound, Luo Yan and the others couldn't hear the people's screams.
But their twisted, agonized expressions made Luo Yan's eyes turn cold and caused Anna to clench her fists tightly.
"Are there still people in Mermaid City?" Luo Yan asked casually.
Anna sighed. "We