The Invincible Player of Survival in the Wilderness

Lin Feng carefully inspected every plant and tree in front of the four openings, not even a crack in the stone.

"Follow-up troops will arrive soon."

After Lin Feng finished the inspection, he arranged, "Which of you still has the strength to walk with me? Those who don't have the strength can stay here and wait until the follow-up team comes up for shifts."

No one answered.

So Lin Feng started to move by himself, and he started to pack his belongings, ready to move on.

Seeing this, Tietou sighed, and said, "Daozi, you stay with the others, and I will go with the boss."

Lin Feng paused for a while, and when the iron head was equipped with items, he took the lead and stepped into the dark unknown world.

In underground caves, soil and rocks have a strong effect on the absorption of radio waves. Generally, the radio communication equipment carried by explorers is of low power, and because of different design ideas.

As a result, in such a complicated underground cave, even if there are high-power equipment around, the communication distance will not exceed two or three kilometers.

Of course, if these communication devices are powerful enough, they can also achieve long-distance communication, but if the radio power is too high, it will damage the human brain.

Lin Feng and his team's itinerary has already reached the limit of the communication equipment. If they go any further, they will exceed the communication range, and they will not be able to receive any signals, nor will they be able to get any backup support.

This is also the reason why the mercenaries are unwilling to move forward.

It's not that they are exhausted, they just hope to wait for the follow-up troops to come up and establish a communication transfer point here before moving on.

But they don't know that Lin Feng has another set of communication equipment on him, which is a set of communication equipment that will never be circulated in the market.

Lin Feng managed to get a set from the bereaved family. In order not to shock the world too much, he didn't mention it to the mercenaries.

The cave is very dry, there is no breeze, and it looks very dull.

Tietou walked behind Lin Feng for a long time, finally lost his temper, and asked, "Boss, Rome wasn't built in a day, we can't explore the road in a day, why don't we wait for the follow-up troops to catch up? "

Lin Feng didn't answer.

Seeing that Lin Feng continued to walk forward with a sullen head, Tietou said, "Look, we can't receive any signal now, even if we die here, no one will find out, why don't we wait for the signal relay equipment to be built before we go!? "

Finally, Lin Feng stopped in his tracks and looked into the depths of the dark cave. In the dark, there seemed to be something calling him.

The reason why he couldn't wait to move forward just now was because a mysterious signal appeared in his mind. This signal only existed for a second, and then suddenly disappeared.

It was the Lyme belt on Lin Feng who received and relayed the signal. Since he entered the depths of the cave, this belt became active, sending some inexplicable signals to Lin Feng from time to time. Looks like it.

When the signal came just now, the mercenaries didn't respond at all, and neither did the ultrasonic and infrasonic detection instruments they carried.

It just appeared and disappeared suddenly.

The Lyme belt indicated that the signal came from here, from the depths of this cave.

Translated from the Lyme language, the signal seems to mean...

'quick'.

quick?fast what?Is it going, or coming?Or leave soon?

"Can you go back now?" Lin Feng asked calmly.

Iron Head glanced back and sighed.Although Lin Feng made a mark along the way, let him return to the starting point by touching the mark without any communication...

It might as well continue to follow Lin Feng.

"Can't we go back? Then let's keep going." From the other party's expression, Lin Feng got the answer, so he stepped up and moved on.

Indeed, Rome could not be built in a day. Lin Feng and Tietou walked not far together, and there was a huge stone wall in front of him, a deep spring, rippling on the stone wall, and the sound of trickling water all around.

"This is a dead end. Morris didn't record that he encountered an underground river." Iron Head said sarcastically.

Since the sound of water can be heard, it means that the stone wall is not too thick, and behind the stone wall, there is likely to be a big river. The vibration of the water sound is transmitted through the stone wall. clear.

Although Morris did not record the underground river, the signal just now came from this direction, and Lin Feng took a straight line. Perhaps, this is another correct route.

Otherwise, in this dark underground, who can send out signals that cannot be detected by all instruments?

Besides the mysterious 'Golden Library', who has this ability?

Thinking of this, Lin Feng walked up to the puddle and stretched out his hand to test the depth of the water.

The water was freezing.

Then Lin Feng took out a magazine, tied it with a rope and threw it into the puddle until the rope reached the end without encountering any obstacles.

The length of the rope is three meters.

In other words, this puddle looks inconspicuous, but it is an unfathomable abyss.

"Damn, it's a trap to catch him." Tietou yelled.

When I thought that if I jumped down without paying attention just now, I might fall into a bottomless abyss, and the caliber of this puddle is so small that there is no place to struggle.

Thinking of this, Iron Head felt a chill.

However, Lin Feng didn't take it seriously, and said calmly, "This is the correct route." He didn't explain too much, and directly stated his own judgment, and he said it firmly.

With the prestige he had cultivated in the past few days, Tietou couldn't even say a word of doubt.

………… ..

Chapter 240 Three Explosive Doors