It was a quiet cave with eerie cracks. As soon as Ding Meng stepped on the stairs, a chilly wind blew from the depths of the darkness.
Ding Meng didn't know why, but he suddenly had a strange feeling. This place seemed familiar, as if he had been here before, but he couldn't remember when it was.
In such a strange and mysterious place, unknown dangers could emerge at any time. He should be on high alert, but Ding Meng was not in such a state. He felt as if there was something waiting for him in front of him, as if there was something in the dark that led him here.
Suddenly, his eyes blurred again, and his vision became slightly blurry. The strange symptoms appeared again, but this time, it was not his eyes that hurt. The pain came from his palms.
"Brother Ding, what's wrong?" Xiao Si, who was next to him, noticed that something was wrong with Ding Meng. He was supporting himself against the cave wall, and he looked a little weak.
"I'm fine." Ding Meng waved his hand. "Maybe I used too much strength just now. I'm a little tired."
Xiao Si agreed. Although he did not know how to fight, he knew that it was inevitable for people to be tired after strenuous exercise. Although Ding Meng had only been fighting for one or two minutes, he had used up much more energy than an ordinary person.
However, Xiao Si could never figure out the real reason. In the darkness, Ding Meng quietly opened his left palm. There was a tiny green dot in the center of his palm. If one looked closely, they would find that its shape was similar to the green poisonous flower in the center of the pool.
The moment Ding Meng cut open the water monster's belly, some of the venom still fell into his hand. This really couldn't be blamed on his carelessness. After all, he was just an ordinary person. He didn't have the protective equipment of a mercenary from head to toe, nor did he have the extraordinary abilities of an Origin Ability user. In order to kill the water monster in one blow, he had already used up all his strength.
At this moment, Ding Meng knew that he had been poisoned by the same poison as Little Four. Although it seemed like a small amount of poison, it was actually extremely potent. Through his palm, he could feel that the poison was slowly consuming his physical strength bit by bit. From time to time, he would feel weak and dizzy.
If he were to turn around and return to the surface now, relying on those few healing potions, he would only be waiting for death. If he continued to move forward, he might have a chance of survival. Since there were plants growing in this godforsaken place, if he could find some exotic flowers and herbs, he would be saved.
The stairs were slanted upwards, and after walking for an unknown amount of time, they finally reached the end. However, what appeared in front of them was a dead wall.
"Is there no other way?" Little Four was a little disappointed.
"No." Ding Meng stared at the dead wall.
Little Four's eyes suddenly lit up. Although the walls of the cave were also cold and damp, upon closer inspection, it was actually covered in a thick layer of moss. It was clearly different from other places.
The two of them went forward without saying a word. The soldiers used their shovels and shovels to dig and scrape at the wall.
After a moment, Little Four's heart finally started pounding. This place that looked like a dead wall was actually a circular metal door. Judging from the rust on the door, it was unknown how many years this door had been eroded by the passage of time.
Why was there a metal door underground?
Was this some kind of secret base?
Or was it some kind of secret treasure?
Why was it buried so deep in the underground world?
Ding Meng looked at the circular door with a thoughtful expression. "How long has the Raider Mercenary Group been stationed here?"
Little Four seemed to have woken up from a dream when he heard that. "They were already here when I came here three years ago. According to Machine Gun, the Raider Mercenary Group had been here for more than a decade."
Ding Meng frowned and said, "They've been mining in this place for more than a decade?"
Little Four said, "I … I think so."
Ding Meng suddenly exhaled. "The thing that they want to mine is most likely behind this door."
What he said was very confusing. With the size of the mining area, it would be more efficient, faster, and reasonable to use slightly more advanced AI robots. Even if it was unreasonable, it would not take more than a decade to mine.
Although the mercenary group could not be compared to large corporations, at least they had the financial resources to buy mining robots.
Why would Black Gold Base use such a primitive method of mining?
Ding Meng could not figure out the reason behind it.
If he could not figure it out, then he should not think about it. There were many things that could not be solved by thinking about it. Ding Meng was about to step forward, but he was pulled back by Little Four again.
Little Four looked at the circular door with a trace of worry in his eyes. He seemed to see some kind of ominous disaster coming out from behind the door. "Brother Ding, should we go back?
If we keep going, I'm afraid we won't be able to handle it … "
Ding Meng sighed slightly. He could understand Little Four's worry.
A person who was regarded as an inferior race was sent to a remote and harsh place to become a laborer. No matter who it was, after a few years of living cautiously like Little Four, they would become a creature called a rat.
Everyone hated rats because rats could eat, steal, and rob … But rats were even better at running away. Rats were perhaps the best animals in the world at running away. As long as there was the slightest sign that something was wrong, the rats would run away.
Every laborer in the base was in danger. Whether it was danger or temptation, the most important thing was to try their best to survive. Nothing else was so important.
However, Ding Meng was not such a person. He felt his palm twitch again. When he opened his hand, he saw that the little bit of green had grown to the size of a broad bean. This damn green liquid was like a poisonous seed that was taking root and sprouting in his hand.
This time, Ding Meng ignored Little Four. He took a big step forward and kicked the round door. The door, which was as rusty as a wooden board, immediately collapsed like mud.
With a loud "whoosh", a wave of heat surged out from the door, accompanied by countless dust and rust stains. The wind blew so hard that the two could not open their eyes.
The first thing they felt was not "hot", but "hot". It was very, very hot. This was not a temperature that ordinary people could endure. The heat wave was so hot that it could almost ignite the hair on their bodies. If it were not for the water dripping from the ceiling, their clothes would have caught fire immediately.
Ding Meng suddenly felt that the ball of fire in his chest was ignited by this shocking heat wave. However, he did not feel uncomfortable this time. Instead, he felt very spirited and had a strong desire to fight. The "heat" from the door and the "fire" in his body seemed to fit together perfectly, forming a new kind of energy that flowed through his body. He felt that his strength had recovered a lot in an instant. Even the tingling feeling caused by the poisonous seed in his hand was greatly reduced.
What was this place?
The two gathered their courage and carefully crept in.