This front includes all directions ahead.
This means that the river is right in front of them.
Keep moving forward.
Because of his enhanced hearing, even though he was underground and could no longer use a map to observe the surrounding situation, he was still able to identify the location of surrounding animals through hearing.
Most of them are just bugs, so basically nothing to worry about.
Along the way, not only the giant beasts, but also the big insects had no desire to attack him.
Soon, he walked to a place only thirty or forty meters away from the river and saw the river.
"Oh!" Coco cried out in surprise.
“…This is really…” Xu Xin frowned slightly.
The river is very wide, at least fifty meters wide.
It is much wider than the stream next to his tree house.
The river is not turbulent and the flow is steady.
But from this point of view, there is nothing unusual.
But the biggest anomaly is the color of the river.
The water flowing in the entire river appeared pale red under the illumination of the bright white light in the sky.
That’s right, this river is no ordinary river!
This must be a polluted river!
You can see it from the vegetation along the river.
Xu Xin had been walking for so long, and most of the thorny vines he encountered were ordinary, non-mutated vines, and the number of mutated vines was relatively small.
But by this river, all the vines are mutant vines!
The branches of these vines stood up and swayed continuously in the air.
The giant rhinoceros was eating this mutated vine just now.
Compared to the mutated vines on the ground, these vines by the river are not much thicker, with a diameter of less than 20 centimeters, which is not much different from the vines that Xu Xin encountered on the ground, which were enhanced in special areas.
Moreover, the blood patterns on their bodies were not as bright as the special areas on the ground, but rather dim.
These vines are probably at the bottom of the food chain in this underground world, right?
Equivalent to the grass on the ground.
Although this underground world has non-mutated vines, just like the vine bush where Xu Xin was hiding just now, it is a pile of non-mutated vines.
But he didn't seem to have seen any other creatures eating the non-mutated vines.
Whether it is giant beasts, giant insects, or herbivorous animals, they basically eat these mutated vines.
It feels like they need to use these mutated vines to supplement something, something that ordinary vines don't have.
Thinking of the madness of these underground creatures when the Silver King appeared, Xu Xin seemed to understand.
"...Is it still mutant energy?" Xu Xin said to himself.
These behemoths truly lack mutation energy.
In their eyes, things without mutant energy are not even worth looking at.
For example, Xu Xin now.
He felt relieved again.
This is all thanks to Lou Feier and his bracelet, otherwise, he probably wouldn't be as relaxed as he is now.
I just hope nothing happens to Lou Feier.
Gripping the halberd tightly in his hand, he walked towards the vines.
"Hmm...!" Coco suddenly cried out, and at the same time, he stopped.
He heard the splashing sound of something emerging from the water.
Through the gaps in the vines, he saw a three-meter-long black beetle crawling out of the river.
Just out of the water, its body was shining, and the two black horns on its head also reflected a metallic luster.
Then, he walked towards him.
...Is this guy coming for him? !
It quickly approached the vines.
At this time, the rhythmic vines rose up and attacked the pure black beetle!
However, it is impossible for those at the bottom of the food chain to turn things around.
Even if it's just a relatively "ordinary" giant black beetle.
The two horns on the beetle's head didn't move at all. The mutant vines hit them and cut them into two pieces just like a knife blade.
However, those thorny mutant vines were completely unable to break the beetle's defense.
The pitch-black shell was like an extremely strong alloy, and these mutant vines could not leave any traces on it.
“How pitiful…”
"Hmm..."
These mutated vines that are domineering on the ground and act as killers of survivors in dangerous areas are surprisingly so humble in this underground world.
This is really unbeatable.
The vines still wanted to fight with the beetle. Countless vines wrapped around the black beetle, trying to tie it up.
But the beetle immediately spread its wings and flew away!
Xu Xin's eyes widened.
This beetle has wings! I didn't notice it at all!
Under the high-frequency vibration, the vines on the surrounding left and right were shattered into powder!
An entrance of about four meters was also cleared on the riverside.
The other vines didn't dare to attack the beetle anymore. They silently shrank back and continued to sway.
The beetle slowly landed on the ground, folded its wings, turned back to its original appearance, and walked towards Xu Xin and Keke again.
"Hmm..." Coco shrank in Xu Xin's arms.
Xu Xin took out his halberd, held it tightly in his hand, and stood still.
Once the beetle attacks, he can fight back directly.
However, he had no intention of attacking.
After all, there are dangers everywhere here, and it would be really tiresome to create enemies for yourself.
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