"Whew!" As soon as this black ancient book was in his hands, the abyssal demon fire in Li Feng's body suddenly erupted, roaring and burning, and merged into the black ancient book.

In an instant, the entire ancient book bloomed with an astonishing black light, producing an extremely terrifying oppressive force, and the dark aura filled the surroundings, making it difficult for Li Feng to breathe.

"What's going on, my power is slipping!" Li Feng was shocked in his heart, he felt that the dark power in his body was passing rapidly, and the whole person fell into a state of weakness.

As a large amount of abyssal demonic fire poured into it, some dark runes of unknown meaning appeared on the surface of the black ancient book, which sometimes combined into rules, and sometimes scattered and changed in an instant.

Looking at the rules formed by the combination of these dark runes, Li Feng's eyes lit up, these were the laws of the dark origin, and they were of great value, and he would definitely not miss such a good opportunity.

At this moment, Li Feng used the power of the Holy Soul with all his might, and made in-depth observations of these rules, not letting go of every detail, first remembering these rule forms, and then researching them!

The power of rules can be met but not sought, very few people can master it, he has now reached a very high level in all aspects, but he is still relatively weak in terms of rules, and there is a lot of room for improvement.

"Boom!" Ten minutes later, the black ancient book made a loud bang, and all the black runes merged into it, no longer appearing, Li Feng was hit by a powerful force, and almost fell to the ground.

At this moment, the black ancient book is restrained and restrained, without any breath being released, it looks like an ordinary book, and there is nothing special about it.

Li Feng opened the black ancient book. As a result, there is nothing on the page. Maybe it's just some kind of secret art. to be able to read.

In the past ten minutes, Li Feng memorized some dark rules, he put the black ancient books into a storage bag, and began to recreate his memory, trying to master these dark rules.

Li Feng's soul power is very strong, and his memory is naturally extremely amazing, he replays his memories over and over again to analyze and evolve.

I have to say. These dark rules are extremely complex, appear in such a short period of time, and are so ever-changing that ordinary people will feel a headache at a glance and cannot remember any of them.

With the passage of time, Li Feng gradually gained some results, and the soul improvement brought to him by the power of the Holy Soul was all-round, and his calculation ability, detection ability, and memory were greatly improved.

It took more than three hours for Li Feng to successfully analyze a period of Dark Origin Law and master it.

He tried to use this Dark Origin Law to stimulate the abyssal demonic fire. It was found that the effect was surprisingly good, increasing the power of the Abyss Demon Fire. Combined with the Origin Law of Fire, it is even more powerful.

"Boom!" Suddenly, the entire stone chamber trembled violently, as if it had been impacted by some kind of huge force, and the hard cyan stone wall was covered with cracks and signs of collapse.

Li Feng's expression changed slightly, this is the power transmitted from the ground, the power is so amazing, I am afraid that something big has happened in Chunrong City!

Without saying a word, his body lit up with a burst of pale golden light, transforming into the Holy Soul Origin Law, and flew towards the ground.

When he came to the ground, the whole person was stunned, at this moment, in the sky above Chunrong City, a thick layer of dark clouds was shrouded, and black thunder and lightning continued to flash out from the clouds, making a loud noise.

These black thunderbolts are super powerful, destroying everything, bombarding the city, many buildings are instantly turned into powder, and large craters appear on the ground, this scene is like the end of the world.

Some of the coalition soldiers and players were struck by black lightning and had no resistance, dying instantly, leaving not even the scum left.

Above the clouds, Li Feng felt an extremely powerful force, which contained an incomparably violent dark aura.

"Qing Aya, what happened to Chunrong City?" Li Feng said in the team channel, he glanced around, but did not see Wang Meng's figure.

"Li Feng, there is a demon king who has come to Chunrong City, hurry up and come over to help!" Meng Qingya said eagerly.

"Where are you, why didn't I see you?" Li Feng asked.

"We are above the dark clouds, we can't stand it, this demon king is so strong!" Meng Qingyan responded, her tone eager, and it seemed that she was in great trouble.

"I'll come over here!" Li Feng's eyes flashed, and his body rose into the air and flew into the sky.

"Boom!" The black thunder and lightning continued to fall, causing heavy casualties in Chunrong City, and many things were devastated, and some coalition masters flew into the air one after another, attacking the dark clouds, obviously knowing the existence of the Demon King.

At this time, several black thunderbolts rushed towards Li Feng, they were like black pythons, with a roar in the process of advancing, and the momentum was unparalleled.

Li Feng propped up the Abyss Demon Fire Shield and faced these black thunderbolts from the front, and the Fire Origin Law and the Dark Origin Magic were simultaneously urged and fused together, stimulating the infinite power of the Abyss Demon Fire.

"Boom!" The black thunder and lightning bombarded the abyss demon fire shield, shaking the entire shield endlessly, but it could not be broken, Li Feng quickly swung the Ten Thousand Blades Dragon Yuan Sword, cutting these black thunderbolts into fine pieces.

After that, he unleashed the Abyssal Demon Fire, burning the black lightning into nothingness, clearing all obstacles and continuing to advance towards the clouds above.

Along the way, black lightning continued to descend and attack him, but they were all defused by him, and now the power of the abyssal demonic fire has increased greatly, and it has a unique advantage in fighting against the dark power.

"Perish, mole ant!" Suddenly, from above the clouds, there was an earth-shattering roar, and then, a huge and incomparably large broke through the clouds, like a huge mountain, and suppressed it towards Li Feng's head.

Li Feng's expression sank, this was a full-strength blow from the Demon King, it was extremely powerful, and it couldn't be resisted!

At this dangerous moment, Li Feng quickly made his body blur and turned into a regular state, the light flashed, and he rushed upwards and directly passed through this huge clutche.

"Boom!" The next moment, the huge clutch slapped inside Chunrong City, and the sound shook the sky, and in an instant, the ground collapsed, and a huge palm print appeared, and terrifying cracks spread everywhere.

This palm was so powerful that at least hundreds of coalition soldiers were shot to death, and they didn't have time to avoid it.

"Damn!" A cold light flashed in Li Feng's eyes, increasing his speed to the extreme, and his body remained in a regular state, ignoring the attack of thunder and lightning.

It didn't take long for Li Feng to break through many obstacles and come to the top of the clouds.

At this moment, he noticed that dozens of meters away, Wang Meng and the others were besieging a demon king.

This demon king is five meters tall, his whole body is pitch black, black light blooms, two pairs of meat wings grow on his back, and two strong hands each hold a battle axe, and every time he swings, a large number of black thunder and lightning will appear.

"The Dark Lord!" Li Feng's eyes were condensed, from this demon king's body, he felt an extremely pure dark divine power, it should be the dark demon king.

A shield covered the sky and held a shield in front of the team, and was knocked away again and again by the Dark Lord, and there were many wounds on his body, the shield was seriously deformed, and the whole person looked very miserable.

In addition to Wang Meng and the others, some coalition masters participated in the battle here to fight against this dark demon king.

However, the strength of the Dark Demon King is amazing, and in the face of the siege of so many masters, he is still at ease, releasing one powerful dark magic technique after another, and from time to time there will be masters falling.

If they can't stop the Dark Demon King, I'm afraid that the Chunrong City that they just captured will fall again, and then their efforts will be in vain, and they must stop the Dark Demon King!

Now the situation is very dangerous, Li Feng didn't hesitate much, he directly raised his sword and rushed forward, the abyss demon fire burned in his hand, and blasted a flame giant palm at the Dark Demon King.

"Boss, I was beaten up by this guy, hurry up and avenge me!" When a shield covered the sky and saw Li Feng appear, his face was overjoyed, as if he had seen a savior.

"I can't help myself!" The Dark Demon King snorted lightly, a black light lit up in his hand, and he directly grabbed the flame giant palm in his hand, and then pinched it hard, and the flame giant palm was twisted into pieces.

Miraculously, the next moment, those crushed abyss demon flames burned violently, and they rejoined to form a black flame giant fist, which smashed into the head of the Dark Demon King, creating a forced stun state for a second! (To be continued......)