Cause

The bizarre changes in the surroundings made Green, who was controlling the Treant's body, furrow his brows tightly. This situation was clearly abnormal!

The wariness in his heart rose to its peak. Green carefully observed his surroundings, ready at any moment to deal with any danger that might appear.

Green advanced slowly, doing his best to control the Treant's movements and avoid causing an even greater collision.

Bang! Bang!

As he continued forward, an eerie silence filled the air. It seemed that apart from the noises Green himself created, every other sound had completely vanished.

Crack!

Accompanied by the sound of black wood breaking beneath his feet, Green stopped.

Ahead of Green was a broad river. Of course, compared to Green's current body, this river, which was only a little over a hundred meters wide, was merely a stream.

The river rushed along at tremendous speed, its spray striking the riverbank. Yet there was no sound—no sound at all. It was as though the air had lost its medium and sound could no longer travel.

What truly made Green wary, however, was that on the opposite bank, he could vaguely see a towering, dense forest.

Large amounts of White Fog coiled between the trees, rendering the entire forest across the river hazy and indistinct. It was impossible to see what was inside.

If that were all, Green would not have been so wary.

Green had already scanned the area with his Mental Power. Within his Mental Power's scan, the opposite bank of the river seemed like a blank space, as though nothing existed there.

After hesitating briefly, Green controlled the Treant's body and stepped directly into the river, walking straight toward the forest on the other side.

In any case, this body was only an Avatar. At worst, he would