Countless powers of the cave were refined by the Heaven-Swallowing Martial Spirit and integrated into Yuan Feng's seven mysterious caves. At this moment, Yuan Feng's entire body was an automatically running machine, and what Yuan Feng needed to do was to assist the machine from the side and finally harvest the fruits created by the machine.

Time flies. Yuan Feng spent a long time on his practice this time. It seems that the more he reached the later level, the more difficult it will be to improve.

After almost half a day, a large amount of power from the cave had been integrated into Yuan Feng's seven mysterious caves. After half a day of cultivation, Yuan Feng's cultivation finally reached the peak of the third level of the Annihilation Realm, and was only one step away from reaching the fourth level of the Annihilation Realm.

"Oh, the fourth level of the Annihilation Realm, I wonder what changes will happen in my body this time! The True Martial Arts will give me a breakthrough!!"

After breathing a sigh of relief, Yuan Feng gritted his teeth and integrated a mass of energy refined by the power of the cave into the seven major caves. When this mass of energy was integrated into the seven major caves, his cultivation finally crossed a threshold again as he wished.

"boom!!!"

The seven mysterious caves were ignited at the same time, and then, each mysterious cave began to grow rapidly as if it was blown. In almost the blink of an eye, Yuan Feng's seven mysterious caves were more than several times larger than before.

After his cultivation level improved again, Yuan Feng felt that his whole body seemed to be filled with the power to destroy the world. That feeling was really indescribable.

However, at this moment, he did not have the heart to feel this feeling of full power, because at this moment, what he was more concerned about was the changes deep in the seven mysterious caves.

"Last time when he broke through, there was a strange energy fluctuation in the depths of the mysterious cave. I wonder what would happen this time!" He immediately sank into the seven major caves. At this moment, his heart couldn't help but feel a little nervous.

The Zhenwu Divine Art is a mystery, a mystery that even he, a cultivator, does not understand at all. As for what happens to this magical art during the cultivation process, it is really hard for him to predict.

"Buzz!!!"

Almost at the same time when Yuan Feng sank his mind into the seven mysterious caves, the extremely strange energy fluctuation in the depths of the seven mysterious caves once again evacuated from the deep part of the mysterious cave.

“Buzz!!!”

Deep in the seven mysterious caves, waves spread out from the inside. The feeling was like something was about to gush out from the seven mysterious caves.

This strange energy ripple lasted almost several breaths, and it stopped because the seven mysterious caves stopped growing. As for what was going on inside, it was still elusive.

"This...silent ending!"

When the seven major caves returned to peace and nothing emerged from the depths of the mysterious cave, Yuan Feng couldn't help but look a little disappointed.

"What exactly is it? This energy fluctuation will never be unreasonable. There must be problems, there must be problems!!"

Since the situation is in his seven mysterious caves, it can be said that it is related to his wealth and life. Naturally, Yuan Feng cannot be really calm. If it is a good thing, it is okay, but if something bad happens, he doesn't even know how he can avoid it or save it.

"Come again, I don't believe I can't figure out what's going on here!!"

After gritting his teeth fiercely, Yuan Feng no longer thought about it. With a move of his mind, the Heaven-Swallowing Martial Spirit refines the power of the cave and strengthens his seven mysterious caves.

One thing that is certain is that as his cultivation level continues to break through, it may not necessarily be possible that at any moment, the strangeness deep in the seven mysterious caves will inevitably appear in front of him. Whether it is good or bad, there will always be a result.

He couldn't see the result for a long time, and this incident was like a thorn piercing on his back. The feeling really made him feel uncomfortable. So, if he could, he really wanted to pull out the thorn. If he couldn't pull it off, then he would rather pierce the thorn into his body and slowly find a way to pull it out.

With obsession in his heart, Yuan Feng became more attentive in his next practice. He knew in his heart that if he wanted to make the situation deep in the seven mysterious caves clear, he could only do it when his cultivation level broke through. Therefore, what he needed to do now was to make another breakthrough and reach the fifth level of the Annihilation Realm.

From the third level of the Annihilation Realm to the fourth level of the Annihilation Realm, Yuan Feng's true qi foundation has grown again. However, this time his true qi foundation is still the true qi foundation of the second level of the Cave Heaven Realm. Obviously, one level of the Annihilation Realm cannot be compared with the first level of the Cave Heaven Realm.

However, Yuan Feng believed that by the time he could break through to the fifth level of the Annihilation Realm, his true energy base should be comparable to that of the third level of the Cave Heaven Realm.

There are still a lot of powers from the cave heaven, and Yuan Feng is not stingy when using them. Judging from the remaining powers from the cave heaven, breaking through to the fifth level of the Annihilation Realm is nothing more than a matter of time. In the current situation, what Yuan Feng lacks the least is time.

"Shit!!!"

A trace of energy was integrated into the seven mysterious caves, and Yuan Feng's cultivation began to grow rapidly again. During this period, Yuan Feng tried his best to keep himself calm so that he could face possible accidents at any time.

With expectations, time has obviously slowed down a little. In Yuan Feng's feeling, it seemed like a whole year had passed. However, when the day passed, Yuan Feng's hard waiting would eventually face the result again.

"It's almost done. I didn't expect that from the fourth level of the Annihilation Realm to the fifth level of the Annihilation Realm, I actually consumed all the remaining power of the cave. This is the last time. If I still can't see the abnormality deep in the mysterious cave, then I'm afraid there will be no chance this time."

After taking a look at the few remaining powers of the cave heaven, Yuan Feng knew that this practice would only help him break through to the fifth level of the Annihilation Realm. As for a stronger realm, the remaining power of the cave heaven is obviously not very sufficient.

Of course, he was actually very satisfied with the fifth level of the Annihilation Realm. The only question is whether he could see the real abnormality deep in the mysterious cave this time, so that he could know what was going on.

After adjusting his body and mind, Yuan Feng was ready to welcome the fifth level of the Annihilation Realm and waited for the last moment to come.

"Kake!!!"

"boom!!!"

Finally, the sound of shattering from the depths of the soul sounded again, and the seven mysterious caves also ushered in a qualitative change again, from the fourth level of the Annihilation Realm to the fifth level of the Annihilation Realm.

Yuan Feng didn't even look at the improvement of his cultivation. His whole mind was placed in the depths of the mysterious cave. He wanted to see if this promotion could make the situation inside truly reveal itself to the world.

“Buzz buzz!!!”

It was still the familiar energy fluctuation, which continued to ripple from the depths of the mysterious cave. However, this time the energy fluctuation was obviously more violent than the previous fluctuation.

"Is that a fight!!"

Feeling the energy fluctuations deep in the mysterious cave became stronger and stronger, Yuan Feng gritted his teeth suddenly, and the power of the cave covered by the Heaven-Swallowing Martial Spirit was refined by him almost instantly, and then he integrated all into the seven major caves.

At this moment, what's wrong with wasting some power from the sky?

"Buzz!!!"

A large number of powers from the caves entered the seven mysterious caves in one go. The entire seven mysterious caves seemed to be stimulated, and the energy fluctuations inside suddenly became even more intense.

"boom!!!"

"puff!!!!"

It was like a loud noise from another world, suddenly resounding in Yuan Feng's dantian space. Then, a muffled sound suddenly spread in the depths of the seven major caves. Then, the seven powerful energy, as if they had been holding it for a long time, suddenly gushed out from the depths of the seven major caves and scattered into Yuan Feng's entire dantian space.

Each of the seven powerful energy is very large. The scene is like seven blowers placed in Yuan Feng’s Dantian space. However, no matter how powerful the blower is, it is absolutely impossible to blow out this level of energy and strong wind.

"This, this...I, I......"

When the seven major caves emitted a roar and a large amount of energy and strong winds gushed out randomly, Yuan Feng naturally saw this scene as soon as possible. However, when he saw this scene, Yuan Feng was completely stunned there, unable to say a word for a while.

"How is this possible? How is this possible?"

He tried hard to calm himself, but everything in front of him made him unable to calm him. Of course, he believed that no matter who he had changed, it would be impossible to calm down when he saw this situation at this moment.

In the Dantian space, the Blood Demon Ancestor who was included in it by Yuan Feng, had been observing the changes in the Dantian space of Yuan Feng when Yuan Feng started practicing. When the scene in front of him appeared, this super strong man who had been dominating the Demon Luo Realm for countless years was directly frightened and stood there in a daze.

"Is it against the will of heaven? Is this... going to be against the will of heaven?"

Looking at the powerful wind gushing out from Yuan Feng’s seven major caves, the Blood Demon Ancestor even forgot to blink his eyes and his breathing stopped completely. At this moment, he felt as if he was in a dream, not real at all.

After practicing for countless years, he always felt that he had learned a lot and had almost nothing he had seen. However, after coming into contact with Yuan Feng, he realized that there were so many scenes and so many strange stories in this world that he had never seen before.
Chapter completed!