The entrance to Dr. Kevin's cave laboratory is built on the edge of a cliff.

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Several outposts were also established on the periphery.

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After the Dark Knights team arrived at the edge of the cave entrance, they began to organize their equipment.

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Everyone is ready to put on radiation protection suits and enter the cave to explore.

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"Hello, I'm Zhang Yan, captain of the Paradise Island security team. I've been waiting for you for a long time."

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The captain of the mercenary team, Zhang Yan, came with an NPC team and shook hands with Fang Heng and the others.

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"I used to be a mercenary hired by the Meteorite Company to protect Dr. Kevin's laboratory, but now we only work for ourselves."

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"Can you tell us about the cave?"

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Zhang Yan nodded.

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"About three months ago, we got news that two islanders were missing on the island."

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"We immediately set up a search team to search for the island."

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"In the beginning, we didn't connect the disappearance with the cave."

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"On the day after the islanders disappeared, the two soldiers guarding the cave also disappeared one after another."

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"I strengthened my rotational inspection that night."

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"At night, the soldiers found monsters during inspections and sounded the alarm."

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Chen Yu asked, "Isn't it a zombie?"

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"I'm not sure if they are mutated zombies. They move very fast. They may be startled by the sound of firearms and start to flee."

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"We chased all the way until we saw that they hid in Dr. Kevin's laboratory cave."

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When everyone heard the words, they fell into a brief silence.

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"After that, we set up a 24-hour security guard at the entrance, and tried to seal the entire cave, but the results were not good. In addition to this cave, there are other exits that we haven't discovered yet."

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Lucia suggested: "Will you go in with us and have a look? We have prepared a few more protective suits."

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"No, we never entered the cave when Dr. Kevin was here, so we can't help you."

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Zhang Yan gestured to the combat team behind him with his eyes, "We will meet you outside."

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"good."

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Lucia did not reluctantly, and motioned the accompanying three Dark Knights to stand by.

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"Let's start too."

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Fang Heng took a needle from Zhang Zhe's hand.

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[Item: ζ Active Protease Injection].

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Description: The basic physique will be increased by 4.5 within 5 hours after injection.

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nice one!

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Fang Heng directly stabbed a needle in his arm, and then took out a few bottles of medicine from his backpack and distributed them to the crowd.

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These medicines are defective products that Qiu Yaokang accidentally developed when he was developing strong genetic medicines.

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"Come on, this is a drug developed by our prison."

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[Item: Failed Temporary Powerful Strengthening Constitution Gene Medicine].

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Description: Within 3 hours after taking it, the basic physique will be increased by 5 points, and the strength and agility will be reduced by 5 points (the minimum attribute value will be 3 points).

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This property... is a bit pitiful.

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Everyone took the medicine and looked at it, and they all took it.

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Putting on protective clothing, Fang Heng tried to move his body on the spot.

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The heavy protective clothing made movement a little inconvenient.

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Seeing that the others were still wearing equipment, Fang Heng walked over to Zhang Yan and handed him a pack of Oreo cookies.

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"Brother, it's not a long-term solution for me to stay on this island. If the islanders find new shelters in the future, are you still going to stay on the island?"

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Zhang Yan frowned and thought for a while.

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"Since the end of the day, the food that our mercenary group left on the island quickly ran out, and they were able to survive only by relying on the food provided by the islanders."

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"In return, we will protect these islanders until they find a safe place."

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Have the opportunity!

Pack and take away together!

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Listening to what Zhang Yan said, Fang Heng felt that the wave was almost stable.

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"My shelter is willing to accept these islanders. If possible, after clearing the danger in the cave, I will find a way to provide them with more food and resources to build the island."

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Zhang Yan looked at Fang Heng in surprise.

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"My shelter is in great need of some experienced mercenaries. I believe these islanders need you too. I hope you can stay and join my shelter."

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"If you can really do it, I'll think about it."

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While speaking, everyone in Lucia was ready.

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"let's go."

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Fang Heng and Lucia led the team to the front to explore the cave.

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Stepping into the cave, Fang Heng immediately flashed a row of messages on his retina.

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[Hint: You have entered a special area and are affected by special radiation, your blood volume will continue to decrease, and if the radiation value accumulates to a certain level, you will enter a syncope state].

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[Hint: Your current basic constitution attribute is >40, and you are immune to 90% radiation effects. The protective clothing you wear resists an additional 50% radiation effects, and you are currently affected by 5% radiation effects].

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Fang Heng quickly glanced at the prompt.

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"The radiation here is very strong, and we have to speed up."

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There is no map of the passage inside the cave, so everyone can only rely on feeling, relying on flashlight lighting, and groping forward.

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"There."

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Following the artificially excavated traces, the group moved towards the passage on the right.

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He turned around and walked forward for about a hundred or two meters. An iron gate on the left stone wall in front blocked his way.

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Fang Heng didn't bother to bother, so he switched the shotgun directly and pressed the trigger at the door lock.

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"boom!"

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With a loud bang, the door lock was broken by a shotgun.

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Fang Heng kicked open the iron door and stepped into the room.

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A piece of pitch black.

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Everyone flashed their flashlights into the room.

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Fang Heng saw several control machines in the corner at first glance.

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"Look! What is that?"

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Mo Jiawei saw something and shouted a warning.

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Fang Heng immediately turned his head upon hearing this.

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"Hey!!"

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A black shadow flashed past Fang Heng's eyes.

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With his night vision ability, Fang Heng could see what the thing looked like.

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It has the same limbs and body as humans, but its whole body is dark and brown, and it clings tightly to the high rock wall.

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Not like ordinary zombies.

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"boom!"

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Lucia reacted extremely quickly, raising her automatic rifle and firing.

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"Snapped!"

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The bullet precisely hit the monster's forelimb, spattering red blood.

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It moved extremely fast, and after being injured, it quickly climbed down the rock wall into a small hole and disappeared.

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Fang Heng frowned.

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The monster's behavior is a bit like a licker, with its limbs clinging to the wall and moving at high speed.

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"What it is?"

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"No, it ran too fast, I couldn't see it clearly."

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Mo Jiawei shook his head.

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He didn't have the night vision ability of Fang Heng and Lucia, but he just happened to see a blurry shadow when he swiped with a flashlight.

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Before he could use his reconnaissance skills, the monster had already disappeared without a trace.

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"Be careful, maybe it's the monster the mercenaries saw."

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Fang Heng glanced around the room.

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There are several broken openings in the top corner of the room, and there are traces of frequent entry and exit.

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It seems that the monsters enter and exit the cave through these holes.