Yucatan Peninsula, Mexico.

Due to the geographical factors of the coastal area, Yucatan is an independent ecological circulation area, and the rain cycle system is particularly developed, with an average daily rainfall of up to 200 mm, making it one of the few habitable areas with natural rainfall.

The two M1s slowly landed outside the small town of Convis, not far from the city of Merida, and just after they stopped, twenty-two soldiers with magnetoelectric guns had already jumped down first, Lin Huoxiao followed behind the soldiers, and finally eight scientists came down, all of whom were tightly wrapped in protective suits. The warrior who took the lead looked at the miniature remote sensor on his wrist and waved for everyone to follow him.

It was raining heavily in the sky, the ground was muddy, and the view was very poor. Everyone marched towards the Convis camp one foot at a time, Lin Huoxiao knew in his heart that this kind of rainfall had already destroyed all the strange research objects, and there was no value in going to that place again, but the heavy commitment to Wu Feng in his heart made him have to go.

Soon, a low area of dead wood appeared in front of everyone, these low trees were about 1.3 meters high, and they became denser and denser as they went deeper, and there was almost no area to walk. "Right ahead, everyone follow me. 1. Team 2 protects the experts. "The soldier who walked in the front gave the order.

"Look, what's that!" There were experts in the team who exclaimed. In the depths of the dense bushes, the withered yellow skulls of some cows, deer and other animals are inserted into it, densely packed and innumerable.

"It's like a totemic sign of the ancient Mayan civilization." It was said.

"There's no road ahead." Said the soldier at the front. He drew the machete hanging from his back, swung it to chop through the logs, and tossed aside the animal skulls that landed in the wet mud of the ground. The crowd kept moving forward, and soon, with the help of the machete, an open space appeared in front of them.

"I really don't understand what you scientists are thinking, why don't you go to the town and stay in this kind of hellish place, are you looking for death?" Someone in the ranks of the military whispered.

Lin Huoxiao came to the edge of the clearing, and he stood behind the leading soldier. "How?" The soldier asked. The detection instrument in Lin Huoxiao's hand did not make any sound, and he shook his head in some disappointment.

"Expected." There was a hint of disdain in the soldier's voice, "Let's go, continue four kilometers to the southeast, and you should reach the outside of the Mayan pyramids, which is an entry point, and the laboratory is below." ”

"Captain Qiao, can you contact General Huang?" Lin Huoxiao said.

"I can't get in touch yet, it's like a system problem, and the general's communicator usually won't turn off." The lead soldier known as Captain Joe replied. Lin Huoxiao nodded thoughtfully, and Captain Qiao waved his hand to signal everyone to continue to set off.

An hour later, Lin Huoxiao and his group came to the "Mayan Pyramid" set by the coordinate point, and the pyramid was in a mess. This pyramid is not as huge as expected, the height is between eight and ten meters, and there is a hole in the wall of the tower facing everyone that can only be penetrated by cats, Lin Huoxiao guessed that this may have been made by the previous exploration team. Torrential rain fell on the ground and converged into streams that poured into the black hole below the pyramid, in which I don't know how much water was stored.

"Are you ready?" Lin Huoxiao said. He knew that there should be quite a few people in the team who had retreated, because he was one of them. Captain Joe nodded to the soldiers, made a gesture, and immediately two soldiers slowly burrowed into the hole. The rain did not show any tendency to decrease, and the crackling hit outside the protective suit, and Lin Huoxiao's heart was a little hesitant.

"The cave is safe, and all the indices are normal." The voice of a pathfinder was heard over the communicator.

"1 group prepares, Mr. Lin and other experts follow me, 2 groups of pads, action!" Captain Qiao gave a quick order, and more than 30 people disappeared one after another at the entrance of the hole under the pyramid.

It was a passage that was about thirty degrees inclined downward, because of the protective equipment, Lin Huoxiao couldn't smell the outside, but the hard and damp touch of the cave wall made it difficult for him to find a good point of strength, and he barely relied on the help of the people in front of him and behind him to keep himself balanced.

The descent was usually steep, and it took nearly twenty minutes to stop and go before everyone reached the platform at the bottom. The remote sensor shows that this is the entrance to the underground laboratory. The entrance seemed to be no secret, and at the end of the platform, a steel gate sealed from the outside stood up against the wall, and several searchlights with shelves were scattered around it, and the people who left seemed to be in a hurry, and their equipment was not taken with them. There were also some markings printed on the equipment, and Lin Huoxiao could vaguely distinguish that they were all things used by Americans.

"It doesn't seem to be soldered strongly, and we can cut through the outside." Captain Joe said. Two soldiers began to cut through the iron gate using special tools, while the others scattered around the gate, holding their weapons and aiming them at the center of the gate, as if something would suddenly burst out of the gate.

The massive gate, which was nearly four meters high, was completely split after a minute. The four soldiers pulled a gate outward, and the huge gate made a heavy noise, gradually opening a gap that only allowed one person to pass through.

"I can't pull it!" The soldier in charge of pulling the gate shouted.

"Okay, no anomalous life signals detected, enough to pass, so be it." Captain Joe said.

Behind the iron gate is a long passage, the entrance to the passage is illuminated by the strong light of the searchlight, the roof of the cave is very high, and every few meters on the wall of the cave is a soldier using a light gun to shoot a glowing miniature searchlight into the wall, and the passage becomes brighter and brighter as the people advance.

"Unusual places, if they are only used for human passage, there is no need for the roof of the cave to be expanded so high." Captain Qiao whispered to Lin Huoxiao as he walked.

The passage was so quiet that the only sound of their own heavy wheezing and slight footsteps could be heard. The searchlight placed at the entrance of the passage suddenly flickered, and with the slight shaking of the light, a wisp of air surged into the narrow passageway, like an animal rushing through the strong wind. Captain Qiao immediately ordered two members of the two teams to quickly return to the entrance of the passage to check, but due to the backlight, it was impossible to see what was going on there with the naked eye.

Two members of Team 2 returned after reconnaissance and did not find anything unusual. After a false alarm, the crowd moved forward again. The remote sensor shows that you can go through the tunnel to the front half of the laboratory.

This area is divided into three levels, through the tunnel will lead to the first floor of the laboratory, and on the third floor of the laboratory there is a passage to the second half of the area.

The last section of the passage began to show obvious signs of man-made repairs, and the walls and floor turned metal, but it was potholed, as if heavy objects had been constantly impacted. At the end of the passage are two isolation doors, the outermost tempered glass door has been broken, the ground is full of splashed dark brown traces, Lin Huoxiao turned on the ultraviolet searchlight, these dark brown traces emitted bright purple light under the searchlight, yes, they are all human blood stains. A second metal barrier door was torn open from the center like a newspaper, revealing a large black hole large enough for a human to walk through.

A muffled roar erupted in the ranks of scientists, "No, look, it's too dangerous here, I can't go any further, I'm going back!" ”

"Yes, you can go back, but there will be no one to protect you!" Captain Joe said.

"Then I won't go in, I'll wait for you here. I'm just a botanist and I can't help much here. The scientist added.

"Lao Liu, what are you doing here, you're here!" Lin Huoxiao patted the scientist on the shoulder.

"Boss, see for yourself what those are! Blood, human blood! Look at that big hole in the door, do people have that much strength to tear it open? There's got to be something terrible behind that! I don't want to go in with you! His voice was a little excited, and everyone was watching him.

"Okay then." Lin Huoxiao sighed, "Then you stay here and wait for us to come back." There are other people who don't want to go on, they all stay here, and everyone must not be separated. ”

Another white expert came out of the ranks, "We're not here to die, sorry boss." He said in a sneering voice, which caused Captain Qiao on the side to snort coldly, "Hmph, expert." ”

"yes, I know." Lin Huoxiao turned his head and wanted to talk to Captain Qiao, but a strong wind struck behind him, and the strong wind made him stumble, he hurriedly stabilized his body and looked back, and the botanist Lao Liu, who was originally standing behind him, disappeared! The white scientist looked to his side in shock, staring blankly at his bull-like eyes.

Lin Huoxiao was so shocked that the hairs on his back stood up, and he called out the name of "Lao Liu" in a lost voice, but did not respond.

"All on alert!" Captain Joe yelled, and the two spare searchlights came on at the same time, and the twenty-two military magnetoelectric rifles were all loaded, and the safety was opened, making a low humming sound.

"Head...... Overhead...... "A frightened voice came from everyone's communicator, and everyone looked up almost at the same time. Captain Qiao suddenly understood why the roof of the cave was built so high, and he felt a tingling in his scalp!

Three hunchbacked monsters with thick forearms hang upside down from the smooth metal cave walls! Each of them is the size of two adults. They make strange breathing noises that sound like humans retching. The searchlight slowly shone on their bodies, illuminating their gray skin pale. They have two large sarcomas on their backs, and two long bone spurs emerge from the sarcoma, bending like the thin legs of spiders into the walls of metal holes. The lower half of their bodies appear to be buried deep in the metal walls, with only the strong upper body exposed outside the metal walls. As if sensing the gaze of the humans, they slowly twisted their heads over, they had no nose or ears, their huge mouths opened and closed like black holes, no teeth, and the original position of the eyes was replaced by two blood-red pits.

"What the is this!" Captain Joe said in a trembling voice.

The white scientist was paralyzed in fright by the three monsters above his head, and he struggled to get up and try to get back into the crowd, but his body was easily pierced by a hook that suddenly appeared behind him. You can't see what this hook is on, all you can see is the "hook" part stained red by the blood of white scientists! The white scientist screamed heartbreakingly, he was hung up by the hook, he struggled in mid-air to try to get out of the hook, but the sharp pain that pierced his body made him spasm.

"****, fire!" With the roar of Captain Joe, more than twenty magnetoelectric rifles bombarded, and the blue arc light shot densely on the bodies of the three monsters like raindrops, the explosion of the magnetic electronic bomb made the three monsters scream, their bodies were shrouded in a white power grid formed by the arc, and the hook hanging the white scientist disappeared out of thin air, and when it reappeared, the three warriors were swept out and hit the metal wall hard. There was a commotion in the crowd, screaming incessantly, and the white scientist who fell to the ground, covered in blood, tried to crawl towards the crowd, but the severe pain in his body and the shock from excessive blood loss made him almost faint.

Puff ...... Puff ...... Puff ......

Three monsters fell to the ground in the dense grid, arcs of electricity roaming their skin, bursting with a crackling explosion. In addition to the obstruction of movement, the magnetoelectric rifle does not appear to have caused substantial damage to them.

In the process of the monster's fall, Lin Huoxiao observed that they did not seem to have lower limbs, just like humans do not have their lower body, their upper body only extends to the waist, and their movement depends on the two thick arms and the spider-like bone spurs in the sarcoma of the back. The monster's two thick arms slammed against the metal floor with a loud thud, and they had human-like palms and segmented joints, but much larger than humans.

"Quick, fight and retreat!" Captain Qiao roared as he protected Lin Huoxiao and the other experts to retreat, and the powerful firepower temporarily separated the three monsters. Where have scientists seen such a scene, they are immediately in a hurry, and they are very afraid.

"Quick, back off! Don't stop! ”

The fire continued, but the three monsters seemed to react from their initial stunnedness. The two monsters began to move slowly side by side, pulling the range of the grid away from the third monster as much as possible, and the third monster waved its limbs and stepped back a little, and then accelerated violently, passing over the two monsters in front of it like a violent wind, and flew towards everyone!

Huge body, miserable white skin, waving bone legs, smashed giant palms! The monster's body quickly enlarged in front of everyone, and it brought unparalleled oppressive force, and it quickly descended from mid-air like a mountain! It had a big swarthy mouth, and two blood holes seemed to be about to burst out!

"Grenade!" A disc glowing red in the crowd flew into the air, and the falling monster suddenly reflexively raised its head to catch the disc and swallowed it, and then, a piercing explosion of glass shattering came from the monster's body, and the monster wriggled its limbs and fell from mid-air, and after a few convulsions, it did not move. The other two monsters struggled to break free from the power grid and jump back to the top of the cave as if they had encountered something terrible. The sharp barb reappeared, and it hooked the dead white scientist back into the air, followed by two disgusting monsters that disappeared from view in a few flickers.

Time seemed to stand still.

After a long time, Lin Huoxiao boldly came to the monster that had stopped twitching, and its body underwent strange changes. The monster's non-existent lower body seems to have a transparent outline in the visible field of vision, but it is only a faint outline, and its lower body is actually transparent?

Lin Huoxiao looked at Captain Qiao in shock, and Captain Qiao boldly kicked the monster's transparent lower body with his toes.

"This ...... It seems like...... It's really transparent...... I can feel something! Captain Joe said.