Surviving The Doomsday With System

The deepest trench on Earth was the Mariana Trench, which was only ten thousand meters!    

And Jiang Loong actually went two times deeper into the Mariana Trench underground!    

But this was nothing compared to the 6,000-kilometer radius of Earth!    

Jiang Loong sent out a few more zombies from his space to scout ahead while he took out a map and looked at it carefully.    

"This is not right! This is troublesome!"    

Jiang Loong thought.    

The problem was that the path leading to the cave was not where Jiang Loong wanted to go, which meant that it did not lead to the karst cave.    

This path led to an underground city built by humans three hundred years ago!    

It was also the Underground Royal City that Zombie Queen mentioned in her notes.    

And now, in that Royal City, Jiang Loong could already imagine that all of them must be zombies!    

Although it was a good thing that there were zombies, the key was that the zombie king Zombie Queen mentioned should be in the Royal City. This was not a good thing.    

"These are all guesses. Let's wait and see!"    

Jiang Loong stopped and waited for the zombies' news.    

The zombies continued to walk forward. After walking for a while, they found that the road ahead was blocked by huge rocks.    

Jiang Loong followed the zombies' path and came to the front of the rocks, calling out number one.    

"Number One, push the rocks away. But you have to be careful not to alert anything else, as long as it's enough for one person to pass. "    

Jiang Loong ordered.    

Number One received his order and slowly pushed the stone open a gap that was as wide as a person.    

Jiang Loong looked inside and saw a scene that shocked him.    

It was a wide space with a flat rock at the top. There was no end in sight, and there was some magma falling from the top in the distance.    

The space was filled with large amounts of glowing rocks. These glowing rocks combined with the falling magma and lit up the huge space slightly.    

Jiang Loong seemed to have found out what this place was.    

"This should be a large space located at the border between the crust and the mantle. The rock above is very complete, but there is no large amount of magma below. The ground is also relatively flat, which seems very suitable for humans to live in."    

The weakest part of the crust was seventeen kilometers, which had been calculated. Jiang Loong was currently twenty kilometers underground, and it was very likely that he was at the edge of the crust.    

Jiang Loong did not pay attention to the zombies. Instead, he let Number One widen the gap again and let a few zombies enter.    

After confirming that there was no danger inside, Jiang Loong also entered.    

His current location was the highest point in this spatial zone. No wonder there were no zombies!    

Looking down through the night vision glasses, Jiang Loong saw an underground city.    

This was the Royal City!    

Although it was called a city, it was actually a combination of buildings. There was a tall wall surrounding these buildings.    

These buildings were built with stones and looked relatively simple. Most of the buildings were only one story tall, but there were a lot of them. They were clustered together one by one.    

It seemed that there must be a lot of humans who chose to enter the underground 300 years ago. Perhaps it was the result of an entire city choosing together.    

After all, the zombie virus had just erupted, and the whole world had fallen into chaos and panic.    

Even if the areas where these humans lived weren't invaded by the purple gas, they would still be worried about being attacked by mutated humans.    

Zombies wouldn't take the initiative to enter the ground, so for them, entering the ground to avoid this disaster was the most appropriate!    

Although living underground was definitely not as good as living on the ground, no matter how difficult it was, it was still better than having no life to enjoy.    

When these modern people came underground, it wouldn't take more than a few hundred years. It would only take a few decades for them to abandon some habits and become more suitable underground.    

In a new environment, an underground civilization with a different surface was born just like that.    

Over a hundred years had passed. The oldest generation of these underground new humans had passed away one after another. The new generation had become more accustomed to life here.    

Jiang Loong had seen this kind of story in many movies and dramas, so he did not find it strange.    

Between the buildings and buildings in Underground Royal City, it was obvious that there were many zombies walking or stopping, wandering around.    

"The King Level zombie that Zombie Queen mentioned might be in the Royal City. I'd better not go too deep into it before I figure it out. There are still many zombies in the karst cave and the passageway. I'll go and strengthen myself first."    

After Jiang Loong had made his plan, he left the cave and asked Number One to push the stone back, sealing the entrance to Royal City.    

There were more than two hundred thousand zombies in the karst cave and the surrounding areas.    

If they swallowed all the zombies, Tongtong and Ke'er could even reach the Rank 10 King level.    

At that time, entering the Royal City would be a guarantee.    

But now, it was still a matter of stability. After all, thousands of miles of freezing was not a day's cold.    

"The most important thing right now is to find that low karst cave."    

Jiang Loong sat at a high place and carefully observed this space.    

"The underground zombie should be there."    

Jiang Loong took a look at the place where a large amount of magma had fallen.    

"So Zombie Queen is unlikely to run in that direction. She should have left in the opposite direction. Then I can guess blindly that the direction of the karst cave should be there."    

Jiang Loong confirmed it and drew it with his hand.    

After confirming the direction, Jiang Loong sent out the few zombies under his command and asked them to look in that direction.    

In this space between the crust and the mantle, Jiang Loong actually saw plants in some places!    

These were plants that grew underground!    

Jiang Loong looked a little curious.    

These plants grew in the open space outside the Royal City, and one could vaguely see that it was a plot of land.    

Jiang Loong guessed that this was probably the place where humans used to grow plants or fruits and vegetables after entering the underground.    

"This is amazing!"    

Jiang Loong took a deep breath. For people who were used to living on the ground, this was... The air here smelled strange. It even smelled like molten lava. Perhaps it was a little poisonous! However, Jiang Loong felt that the oxygen content in the air here seemed to be higher than on the ground!