A long time ago, when the demon race still lived in the underground world, the human race was the master of the surface world. As for the demon race, it was just born.
In their endless exploration, the human race discovered the underground world. It was like discovering a new continent. They immediately regarded the underground world as their own resource area and invaded and plundered wantonly. The indigenous demons in the underground world were also killed at will.
Even if it's just for a piece of ore.
After a long period of exploration, people learned that there are six levels in the underground world, and each level has countless resources. The deeper you go, the more resources there are, and of course, the stronger the resistance. Because the deeper you go, the more powerful the demons you encounter become.
The closer you get to the ground, the stronger the demonic energy is, and the more strength the demons can exert. The further you go to the ground, the more limited your strength is. Cultivators are just the opposite. The further down they go, the more interference they receive from demonic energy, and the cultivators' combat effectiveness becomes lower.
On the first floor underground, where there is not enough demon energy, there are usually only demon pawns and demon schools. On the second floor, there is a slight possibility of encountering demon generals, and on the third floor, there are occasionally demon commanders.
Demon warriors are born as demon soldiers, which is equivalent to the foundation-building realm of cultivators. After that, they are demon schools, demon generals, demon commanders, demon kings, etc.
The human cultivators, regardless of life and death for resources, kept developing downwards until they reached the fifth level.
The resources in front of them were incredibly rich and could never be found in the surface world. This made them extremely happy and their greed expanded even more.
However, they finally tasted the consequences.
Greedy human monks are plundering the fifth floor. Awakened the demon who was sleeping on the sixth floor. That is a force that human cultivators cannot resist.
The devil's methods are very tough and thorough. After completely driving the human race out of the underground world, and even recuperating for many years, they began to counterattack.
Humanity suffered cruel revenge, with corpses littering the fields in many areas and no more living people.
However, due to the vulnerability of the demons in the ground world, their counterattack gradually slowed down, gradually forming the current situation.
Since then, human cultivators rarely go to the underground world. You can still go to the Demon Realm, such as trade, etc. Although the Demons are hostile to humans, at least they still maintain a fragile peace in the ground world.
The underground world is the last home of the demons. Once a cultivator enters, it will be regarded as an invasion and completely become the prey of the demons.
At this moment, Xu Mu and Liu Zining have entered such an underground world, and it is still possible for the third level of the Demon Commander to appear.
Magic handsome. Demons comparable to those in the Yuanying realm of cultivators are not something Xu Mu can deal with now.
"Now we are on the third level of the underground world? What should we do? What should we do?" Liu Zining, who was in the Jindan realm, panicked like a child.
She rarely goes out for training and always stays in the sect, like a flower in a greenhouse. I didn't expect that I would encounter something like this as soon as I went out for training, and I didn't know what to do.
Li Mu glanced at her and didn't want to say anything to her. He said slowly, "Of course, go up and get out of here."
"Okay, let's fly up."
She moved closer to Li Mu, feeling that it would be safer this way.
"How long will it take to fly?" After flying a few steps, she looked back at Xu Mu.
"It is said that in the underground world, each level is about ten miles deep." Xu Mu searched his memory and quickly answered.
"It won't take long to go up more than ten miles. Why does it feel so slow?"
Li Mu frowned and was speechless, "The underground is not the ground, Miss Liu. There is demonic energy everywhere here, which hinders the movement of spiritual energy and true energy. If the flying speed can be one-third of that outside, you are lucky." "
The demonic energy in the ground and the spiritual energy on the opposite side are completely incompatible and hinder each other.
Here, Li Mu's consciousness can only extend less than ten miles. Once it extends far, it will be swallowed up by the demonic energy and will be unable to sense the surroundings.
"Oh, I remembered these common sense master taught me."
Liu Zining was a little embarrassed, "I'm sorry, I was so anxious that I forgot about it."
"It's nothing. When we get to the top, we will look for the last exit. I hope I have better luck and can find it sooner." Xu Mu was a little worried. Without the protection of his spiritual consciousness, it would not be easy to find the exit.
There are many entrances and exits connecting each two levels of the underground world, but the underground world is extremely large, and it may not be possible to find the nearest exit quickly.
Liu Zining sighed, "The energy consumption here is also very large, I don't know how long it can last."
"Don't worry about these." Li Mu said calmly. He had enough spiritual stones to recover. If the situation was urgent, he could use the best spiritual stones.
The two flew upwards hard, looking for an exit to the second floor.
A few hours later, many demons were gathering together in an underground mountain range on the third level.
"Are you sure? Are there really two more cultivators of the Golden Core Realm here?"
The speaker was sitting on a stone, his eyes were sunken, his mouth and nose were split, and he looked extremely terrifying. He wore a black armor, with sharp thorns all over his shoulders, chest and knees, and a thick tail four meters long extending from the back of the armor, densely covered with pitch black scales.
Several demon school students knelt on the ground, "Lord Gotze, the young one will definitely not get it wrong."
"good!"
Gotze suddenly stood up, with a height of seven meters. The long tail behind him swept across the ground at will, and the stone slabs immediately shattered into powder.
"The low-level cultivators who eat all the garbage sent by humans all day long have lost their mouths like birds. This time, the golden elixir realm cultivators must not miss it!"
Anyone can tell that he is a lizard demon among the demons and is famous for his bloodthirsty nature.
What they killed was the human race. The lizard demon is a very cruel member of the demon army. It has an abnormal physique and can use the flesh and blood of cultivators to enhance its own strength. It is regarded as a mortal enemy by humans, and the human race changes their expressions upon hearing this.
But similar to most ferocious demons, they must rely on underground demonic energy to survive, and it is difficult to leave the underground world. Otherwise, even temporary peace will not be possible in the surface world.
"Young boys, follow me. Don't let those guys get you ahead of you this time!"
Gotze roared angrily and strode forward, followed closely by a group of little demons shouting.
Scenes like this happened in several underground mountains. Several demon general's men detected the existence of Li Mu and Liu Zining, but Li Mu was unable to detect them. In the underground filled with demonic aura, Li Mu's spiritual observation was not as good as the methods of the demon school.
The demons rushed towards Li Mu one after another, and Li Mu also felt something at this time.
"Over there, I feel the exit."
"Really?" Liu Zining was so happy that she would almost jump up if she wasn't in the air.
Li Mu nodded and pulled Liu Zining to fly aside.
Not long after, a very tall and long mountain range appeared in their sight, like a giant pillar, standing there towering over the sky and the earth.
"Right there."
The two of them flew closer to the mountain peak and rushed to the top of the mountain.
Soon, Liu Zining also sensed that the demonic energy there was much thinner, and it was obviously the exit to the second floor.
"That's great, I'm not afraid of the second floor anymore." She said happily.
Before she finished speaking, the ground in front of her suddenly collapsed, and a strange-looking demon jumped out and smiled ferociously at her.