However, Zhao Yu's imaginary realm artistic conception could only sense within ten miles of the surroundings, and when it spread to the depths of the cave, it was blocked by the inexplicable invisible immortal array.

The immortal array in this cave mansion can actually block my exploration of the artistic conception of the Void Realm?" Zhao Yu was suddenly taken aback in his heart, and said secretly.

Inside this cave, there is an invisible force enveloping it.

Countless long years ago, a peerless immortal array master in the Qingfeng Heavenly Xuan Realm entered the Black Dragon Secret Realm and built this cave here. It has existed for tens of millions of years, preventing generations of strong people of the human immortal clan from entering it!

Zhao Yu quickly sensed that there was a special being that seemed to be snooping on him.

Laugh at!

Zhao Yu did not hesitate, and immediately cast the Void Sword Technique, and in an instant, an incomparably powerful sword qi exploded a cloud of immortal qi.

However, that immortal qi was extremely weird, and it actually blocked that incomparably fierce sword qi.

"How is this possible, my Void Sword Technique can injure an ordinary half-step golden immortal, but that immortal qi can actually block it. Zhao Yu was very shocked in his heart.

Rumble!

After the immortal qi blocked the sword qi, it suddenly spread, and in an instant, the immortal qi condensed into a figure, which was the appearance of a heavenly demon, holding two immortal swords.

"Kill!" Although the body of the Heavenly Demon was ethereal, there was a terrifying fierce light flashing in those eyes.

Whew!

Two terrifying sword lights broke through the void at once, and immediately appeared in front of Zhao Yu and Zhao Yu.

When!

Zhao Yu immediately swung the Green Bull Sword and stabbed out, instantly blocking the two terrifying sword lights.

However, the power of those two sword lights was extremely terrifying, causing Zhao Yu to take a few steps back.

Snort!

After he took a few steps back, he immediately urged the Void Sword Technique to counterattack with all his might.

In an instant, dozens of fierce sword qi were like sword nets, frantically enveloping that heavenly demon.

He used the power of the Void Sword Technique to the extreme.

Zhao Yu didn't have time to think at all, relying on his instinct to urge one after another extremely powerful sword qi, and at this moment, he completely showed the most terrifying power.

One after another, the incomparably fierce sword qi flew in all directions, as if the heavens and the earth were netting!

When!when!

The sound of the immortal soldiers' collision was endless, and the heavenly demon also brandished his twin swords and slashed wildly, the sword light was very sharp, and the speed was amazing.

Zhao Yu and the Heavenly Demon are fast against fast!

"He has blocked hundreds of my attacks, and his strength is stronger than mine, but my Void Sword Technique is more subtle than his. Zhao Yu suddenly realized, and said secretly in his heart.

Swish!

"Terran Immortal, your sword technique is too mysterious, you can break through the void and fly directly towards me, so that my power will not have time to be used to the extreme, otherwise I would have defeated you a long time ago. Suddenly, the Heavenly Demon stepped back, and Sen Han's eyes stared at Zhao Yu and said coldly.

Hearing this, Zhao Yu was secretly surprised in his heart. It turned out that his strength had not yet been exerted to the extreme, but fortunately, his Void Sword Technique was very mysterious, which could weaken the power of the Heavenly Demon and the speed of the sword.

"You can block my attacks, but I can make two. Suddenly, the Heavenly Demon grinned and said.

Swish!

In an instant, another cloud of immortal qi flew from the depths of the cave, and it quickly condensed into the figure of a heavenly demon, and it also held two immortal swords in its hands.

Immediately, two identical heavenly demons held dual swords and stared at Zhao Yu deadly.

"Two Heavenly Demons?" Zhao Yu's face changed slightly.

"Kill!" In an instant, two heavenly demons besieged at the same time, and they were all fast and terrifying.

The so-called two fists are difficult to defeat four hands, and Zhao Yu dealt with two heavenly demons by himself, and the pressure was much greater.

Snort!

The four immortal swords flew together and slashed towards Zhao Yu, but Zhao Yu immediately cast the Void Sword Technique, and in an instant, one after another fierce sword qi blocked the surroundings, making it impossible for the four immortal swords to approach him at all.

Zhao Yu easily blocked the siege of the two Heavenly Demons and the four immortal swords with one immortal sword.

"What? This Terran Immortal's defenses are so terrifying. The Heavenly Demon was terrified in his heart.

Rumble!

After half a cup of tea, Zhao Yu suddenly launched a counterattack, and in an instant, one after another fierce sword qi broke through the void, directly swept the two heavenly demons, and immediately knocked them out.

"Although you are split in two, your strength and speed have weakened, and you are still not my opponent!" Zhao Yu grinned after sweeping away the two heavenly demons with a sword.

They are condensed by immortal energy, scattered and impermanent, and they can't be killed at all!

"I don't believe that you, a half-step golden immortal-level human immortal, can win me! For countless years, no one's half-step golden immortal can beat me!" the heavenly demon roared.

Whew!Whew!

After an instant, the Heavenly Demon suddenly split into four and turned into four Heavenly Demons, and then they frantically besieged Zhao Yu together.

However, Zhao Yu still easily resisted the siege of the four heavenly demons with a green bull sword.

In the successive battles with the Heavenly Demon, Zhao Yu's comprehension of the Void Sword Technique made another breakthrough.

"Human Immortal Clan, I'm defeated, you go in. I really didn't expect that I would lose to a half-step golden immortal of a human immortal clan! I have never lost since I was born to surpass it now!" That heavenly demon couldn't attack Zhao Yu for a long time, and suddenly retreated backwards, and then said with a lonely face.

Although Zhao Yu couldn't really kill this Heavenly Demon, as long as the Heavenly Demon couldn't defeat him for a period of time, he would automatically win.

"Immortal boy, to tell you the truth, I'm just guarding the entrance to the cave. In this cave, the strength of the other guys is all stronger than me. And the deeper you go into the cave, the stronger the guys there become! Your strength is still too weak, I advise you to give up. Your potential is amazing, wait until you become a ninth-level half-step golden immortal, then you can hope to truly enter the deepest part of the cave!"

"Thank you for the reminder, but I still want to try!" Zhao Yu smiled at the Heavenly Demon and said.

"This kid is really overwhelmed, but he is the most promising half-step golden immortal I have ever seen to enter the depths of the cave, I hope he doesn't fall inside. The Heavenly Demon looked at Zhao Yu's back and muttered.

Not long after, the body of the Heavenly Demon suddenly dissipated, turning into a cloud of immortal qi, which immediately permeated a corner of the cave.

Zhao Yu held the Green Bull Sword and walked alone in the cave, secretly using the Void Realm artistic conception to explore the surroundings.

"Hmm!" he walked all the way away, and suddenly his face changed.

Laugh at!

An incomparably powerful sword aura immediately forced out a hidden dark creature!

He is an invisible immortal aura that cannot be seen with the naked eye. However, under Zhao Yu's imaginary realm, he couldn't hide at all.

Rumble!

The dark creature immediately condensed into a black-robed celestial demon.

"You can actually find me!You are indeed a bit capable of this immortal clan, but you are a fourth-level half-step golden immortal, it is impossible for you to win and defeat me!" the black-robed Heavenly Demon said coldly.

His voice was as harsh as metal grinding.