There are forty minutes left before the next time the radar is turned on. Wren silently counted the time as he found an underground passage through a large ruin and descended the black, dusty staircase.

The stairs were long, and Wren walked for nearly a minute to reach the end, and it was already completely dark by here, and there was no light from the outside, so Wren took out his lighter and continued to move forward by the faint light.

After a few steps, Wren was blocked. A thick door full of science and technology of unknown material blocked in front of him, and Wren knocked it with an iron rod a few times, making a deep and heavy sound.

"There's no way it can't be opened." The height and width of this door are three meters each, and the thickness of the door is probably half a meter from the sound that came from the sound. But there must be a way to open the door, maybe there is a switch nearby. Wren lit the lighter one by one, looking for any mechanism, and finally he finally got something, on the far left side of the door, there was a flat socket, and a few lines of small letters on it were still clear, Wren wiped the dust on it, leaned the lighter over, and read out: "ca...... rd？ card？ ”

Card？ Card? Although Wren had bad grades, he still knew the word, and it seemed that this door needed a card-like key to open. He headed back up the stairs and tried to look upstairs, and sure enough, he found a few silver cards in a cupboard.

While descending the stairs, Wren glanced at the fury bar in his field of vision, which was reduced to about one-tenth at this time, and the pain in his thigh was reduced a lot, at least it was not so difficult to move, and it had to be said that the health potion had a significant effect.

After getting the card as a key, Wren hurriedly came to the door, the size of the card just matched the socket, but after so many years, whether the card can be used or not is still two words.

Three seconds passed after the card was inserted, and nothing happened. Wren couldn't help but sigh, and just as he was about to turn his head, a dazzling light suddenly lit up! A stripe on the gate emitted a cool green light, and these lines lit up one after another, and finally joined together, and the gate was lifted up with a bang!

The door was fully opened, and Wren cautiously stepped inside.

The floor and walls are all made of alloy, and there is a long passage behind the door, spreading endlessly and disappearing into the black shadows, Wren found something similar to an energy switch in a general control room on the inside of the door, and he couldn't read the text on it, so he simply pushed all the switches to the side of ON.

There was still no light source lit up, and even the green glowing gate became extremely dim, and sure enough, after so many years, the power had long since dissipated. There was also an iron table in this room, the computer on which it was placed had long since broken down, and next to it was a black notebook, Wren tried to open it, and the handwriting on it was a fountain pen, many of which were blurred, and a series of English Wren could not read, so he simply put this notebook in his pocket. Beside him, he found a chair and sat down to rest.

"Ah, something!"

Feeling that he was sitting on something hard, Wren quickly turned around and put the lighter up to look at it. This sight scared our boys a lot. Wren was facing a skull, the skull was crooked by his ass, and the hollow eye holes were black holes, staring at Wren, and it sent chills down his spine in the pitch black.

Wren recited Amitabha Buddha in his mouth, and fled as if leaving this room, and there were many rooms on both sides of the passage, and the layout of them was roughly similar, all of them looked like bedrooms.

Walking further along the dark passageway, a large hall emerges, above which is a tall platform.

"Well, what is it?" Wren noticed a pile of things on the ground and brought the fire over again.

A pile of white bones. Wren's face turned pale, and he stumbled back, and the hall was densely packed with human bones, as if it was a torture ground, countless ghosts were floating around Wren, perhaps hallucinations, Wren seemed to hear bursts of cries.

"What the hell is this place, day!" Wren spat hard, and he turned to the right side of the hall, where a hidden passage he had nearly ignored.

The closed alloy gate of the passage opened a gap just enough to pass through, and the entrance was two meters high and one meter wide, and Wren glanced at the dark back, where the countless white bones were creepy, and it couldn't get worse than this anyway, so he plunged into the passage.

If Wren looked closely, he could see a red triangle on the edge of the passage with a conspicuous exclamation mark inside, but he was just an ordinary man who had lost most of his senses.

There was a strange smell in the passage, Wren covered his nose and walked forward cautiously, the light of the lighter was not so bright, and the gas in it was almost used.

An indifferent female voice sounded in her head again: "Dear summoner, you have been on the battlefield for two hours, and if you successfully complete one of the novice missions to survive, you will be rewarded with +1 level"

The sudden good news made Wren stunned, and he quickly opened the skill bar of the system interface, and sure enough, there was one more skill point.

Wren upgraded the Wind Sword's Q skill Slash Flash, which has high damage and fast cooldown. When the skill of Slash Gang Flash lit up, Wren couldn't wait to wave the iron rod in his hand and swung it against the metal wall!

"Slash Flash!"

When the skill was activated, some strange things automatically appeared in Wren's mind, such as gestures, swordsmanship, and strength, which he had never been exposed to, filled his mind in an instant, and then he naturally turned his arm and slashed forward in a thunderous posture!

Boom! The iron rod hit the indestructible metal wall, and Wren shook his right hand with a scream of pain, and the strength of the shock from the iron rod made his mouth numb, and what made him a little excited was that there was a scratch on the pure metal wall.

"If it's a furious Slasher, maybe he can finish that bastard." Wren squinted, now he had two skills, one in and one in keeping, and he wasn't so at a disadvantage in the face of the bald head.

"Huh?" Wren touched his head strangely, he seemed to feel the wind.

But this is completely underground, where does the wind come from! Wren turned on the lighter without believing it, and found that the flames were indeed tilted, Wren's heart suddenly lifted, plopping and jumping, and slowly, the sound came into his ears.

The sound came from the depths of the passage, from faint to clear, it was the sound of a huge object scraping against the ground, and it was extremely fast, the sound was getting louder and louder, and it should not take a few seconds to reach Wren.

Is there still a living creature in this dead place? Wren's scalp was numb, and he took a fighting stance, with the MP5 gun pointed forward, and as soon as something appeared, the network of fire intertwined by the MP5 at close range would pour out.

Wren saw two green dots, which grew larger and larger, like two light bulbs.

"Sizzle!!"

Those two green dots were none other than the eyes of the comer. In front of Wren was a giant python that was more than a meter thick and didn't know how long! The scarlet Nobuko licked Rayne's cheeks, her green eyes staring at him, her body covered with cyan scales, and it was estimated that the MP5 would not be able to penetrate this natural armor at all.

Goo. Wren swallowed his saliva, he stood cautiously in place, and scolded in his heart, ", I don't know how many years have passed, and the worms have become sperm!" ”