This is an underground passage diagonally below, the passage is three meters in diameter, Li Changsheng shook the demon pet bag and summoned the treasure hunting rat.

Creak~

The treasure hunting rat called at Li Changsheng, and immediately drilled into the underground passage, it knew the specific location of the black dragon's lair.

If Li Changsheng is allowed to find it, even if he has two orbs, it will inevitably take a certain amount of effort.

For the current Li Changsheng, time is too precious, and the sooner he enters the Black Dragon's lair, the more chance Los Angeles will have to be preserved.

Li Changsheng stretched out a pair of phantom wings on his back, and he didn't care about the battle between the Xuantian Eagle and the two venom flying dragons, and followed the footsteps of the treasure hunting rat into the underground passage.

Under the instructions of the treasure hunting mouse, Li Changsheng adjusted the direction of the underground passage while moving forward quickly.

This swamp has been transformed by the black dragon, and the depth is quite amazing.

Soon, a hundred-meter-long underground passage was completely formed, connecting a huge underground cave.

That's the black dragon's lair!

In just a few breaths, Li Changsheng flew into the underground cave.

As soon as Li Changsheng entered the underground cave, a layer of invisible ripples immediately spread, and a water-blue mark suddenly appeared, disappearing in an instant.

With his fairly profound knowledge, Li Changsheng recognized at a glance that this was an early warning ban, and as long as the early warning ban was triggered, it would alert its owner at an extremely fast speed.

The nest is only tens of miles away from the black dragon, and the black dragon can receive a reminder of the early warning and prohibition almost instantly.

To put it simply, the moment Li Changsheng entered the black dragon's lair, the black dragon knew that someone had broken into its lair.

In the sky of the north city wall of Los Angeles, at this time, the black dragon had suppressed Qin Fangxin and the four of them, but it was also a little embarrassed, even if the Guardian of the Mystery offset most of the damage, the dragon scales and dragon skin on the dragon's body were still damaged a lot, and a dragon horn was almost broken.

But judging from the situation, even if Qin Fangxin and the four of them worked hard, it would be a matter of time before they were defeated.

Just like what he said to Li Changsheng, Qin Fangxin was really desperate, his eyes were bloodshot, his face was abnormally pale, blood was flowing from the corners of his mouth, and his eyes were full of madness.

In the time just now, in order to kill and injure the black dragon as much as possible and weaken the black dragon's combat effectiveness, Qin Fangxin cast a blood-burning secret method on one of his demon pets.

This is a high-level secret method similar to blood burning, but the blood burning secret method is more thorough, not only burning the blood, but also the blood is burning, and the increase is naturally stronger.

Of course, the consequences are more serious, the bloodline burning secret method at least has a chance to be saved, and the demon pet who has been blessed by the blood-burning secret method, although the combat power has increased greatly in a short period of time, but when the blood burns beyond burning, the final usher can only be a fall.

Once the secret method of burning blood is cast, it cannot be disobeyed, and finally burns every drop of blood of the demon pet.

Blood-burning secret method!

Qin Fangxin's blood-red eyes stared at the black dragon, and regardless of the sea of consciousness that was in shock, he once again cast the blood-burning secret method on a lord-level powerful mountain arresting ape.

[Fairy Name]: Vigorously Capture Mountain Ape (Mature Period)

[Fairy Realm]: Lord's 6th order

[Fairy Race]: Inferior monarch

[Fairy quality]: top grade

[Fairy Blood]: Mountain Giant Ape (Rich)

[Fairy Attribute]: Ground

[Fairy Status]: Healthy

[Fairy Weakness]: Wood

Burst~

After the performance, Qin Fangxin spurted out a mouthful of blood, a line of blood and tears flowed from his eyes, and the whole person was full of sadness.

He has a total of two lord-level demon pets, and he has also taken care of them wholeheartedly for decades, and has cultivated a strong relationship with them, but this time, in order to protect the hundreds of thousands of people in Los Angeles, he has put all of them in with his own hands.

The Mighty Mountain Capture Ape is more than ten meters tall, and it is famous for its great strength, and with the blessing of the Blood-Burning Secret Method, it is covered in green tendons, and a blood-colored aura appears on the surface of its body, and its size and momentum are skyrocketing at a speed visible to the naked eye.

This is like the Super Saiyan transformation, which can greatly increase combat power, but at the cost of life.

The mountain grabbing ape glanced back at Qin Fangxin, its eyes were still heroic, there was not a trace of resentment and anger in its eyes, and it waved its hand at Qin Fangxin freely, full of farewell.

In the sky, the black dragon Hari Kuqi saw such a scene, and a ray of horror flashed for the first time in the dragon's eyes the size of a lantern, it didn't expect Qin Fangxin to be so desperate, not at all like the human demon master he had met before who couldn't beat and run.

The black dragon knew very well in his heart that if the other three people were all as desperate as Qin Fangxin, he was afraid that even if he won in the end, he was afraid that he would have to pay a heavy price.

Roar~

Just when the black dragon hesitated, he vigorously slapped the extremely strong chest with both hands, making a drum-like sound, and its belly grew violently, sending out a special sonic skill towards the black dragon.

This is the bloodline inheritance skill of the mountain giant ape - the mountain ape roar, which is invincible and invincible, giving people a strong blow while also forcibly causing vertigo.

Under the amplification of the Blood-Burning Secret Method, the power of the Mountain Ape Howl increased greatly, and a tangible and non-qualitative sound wave was emitted, and the air rippled violently, and the black dragon Harikuchi had no time to react, and was hit by the unguardable Mountain Ape Howl.

Because Qin Fangxin had reminded Ning Bizhen and the others in advance, the moment they vigorously captured the mountain ape and launched the mountain ape roar, they had already taken the first step out of the mountain ape roaring range.

The black dragon's eardrums instantly became deaf, its head buzzed, and it fell into the void, and its wings stopped stirring and fell directly from the air.

However, the black dragon is a demon king-level goblin after all, the vertigo comes and goes faster, and when there are still dozens of meters from the ground, the dragon wings are spread, and he wants to stop the downward momentum.

It was also at this time that the mountain ape bent its knees and jumped high, it was already good at bouncing, and it naturally jumped higher and faster in a state of burning blood, and suddenly appeared on the side of the black dragon, grabbed the left dragon wing of the black dragon, and tore vigorously regardless of it.

The attribute of vigorously capturing the mountain ape finally restrained it, and even if most of the damage was offset by the Guardian of the Arcane, it still made the black dragon feel the pain.

Roar~

The black dragon let out an angry dragon groan, and the thick dragon tail made a sound of bursting the air, and it was about to smash into the mountain ape.

Boom~

Suddenly, the thick ice wall reappeared, and the dragon's tail slapped on it, instantly shattering the ice wall and blocking the dragon's tail.

It was also at this time that Mentor He Yan's Red Bird was full of flames, and it hit the dragon's tail head-on, and the brilliant flames erupted.

It's a pity that the power of the dragon's tail is too great, and it directly whipped the red bird away, and finally landed on the back of the mountain ape.

Bang~

Even though the power of the dragon's tail was weakened by half under the obstruction of the ice wall and the red bird, it still blurred the flesh and blood drawn from the back of the mountain ape.

Roar~

The flesh of the mountain ape was burning, and it opened its large mouth, revealing its fangs, and bit hard at the base of its wings, biting it with all its might.

In a state of burning blood, its strength is extremely strong, not even much worse than the black dragon, even if it is exempted by the Guardian of the Arcane, it still bites through the dragon scales and dragon skin at the base of its wings, making the black dragon Harry Kuqi feel pain.

If you bite a few more times, even if you have the protection of the mystery, the left wing of the black dragon will still inevitably be bitten off.

The black dragon Harikuchi immediately took action, and the slender dragon's neck turned, and he was about to spew acid breath from the dragon's mouth.

Chirp~

At the critical moment, the three-legged fire crow seemed to have expected it, and immediately turned into a firebird, and hit the black dragon's head first, the black dragon's head turned slightly in one direction, and the acid breath that spewed out naturally fell into the air.

The black dragon was furious in his heart, and slapped the three-legged fire crow away, and the dragon's mouth began to condense the energy of the water system, wanting to attack the mountain ape again.

At this moment, a ten-colored orb burst through the air and rushed straight towards the black dragon's open mouth.

As soon as he saw the Yuanhe Ten Color Orb, the black dragon hurriedly closed the dragon's mouth in fright, although it had strong control over the body, but it still didn't want the Yuanhe Ten Color Orb to enter its body, the Yuanhe Ten Color Orb had abundant ten kinds of energy, in case it exploded in its own body.

With the mentality of just in case, the black dragon naturally closed the dragon's mouth, but it was not a bully master, and subconsciously wanted to stretch out its claws to grab the Yuanhe Ten Color Orb.

Every dragon is a professional collector and connoisseur, and Harikuchi naturally sees the value of the Ten Colored Orbs, even in its hundreds of years of collection, it is definitely the top treasure, and naturally wants to take it into his pocket.

It's a pity that Ning Bizhen was completely a false move, and before the Yuanhe Ten Colors Orb approached the black dragon, the orb was recalled, making the black dragon pounce.

The Yuanhe Ten Colored Orb has become a weapon to deter the black dragon, and its strategic significance is greater than its practical value, because Ning Bizhen knows very well that she can't blow up the Yuanhe Ten Color Orb.

Click~

With a crisp sound, under the perseverance of the mountain ape's fart, the bones at the root of the black dragon's left wing were finally directly bitten off.

It's a pity that the black dragon's huge dragon body shook violently and didn't fall immediately.

"Stupid thing, do you really think that the great Harry Kuchi can only fly on wings?"

The black dragon sneered, and the thick dragon tail made another sound of pumping air, and this time the other demon pets didn't have time to help, and they slammed into the back of the mountain ape, revealing a huge scar that was deep in the bones.

Under this blow, the mountain ape, which was vigorously captured with thick skin and flesh, was directly hit hard.

However, the vigorous capture of the mountain ape did not let go, but used both hands and feet, a burst of tearing pain came from the dragon wings, under the great force of the vigorous capture of the mountain ape, the left dragon wing of the black dragon was torn apart, splattering a large stream of dragon blood.

As long as it gave a few more seconds to vigorously capture the mountain ape, it was confident that it would tear off the black dragon's left dragon wing.

The black dragon naturally did not sit still, the importance of the dragon wing to it is undoubted, although it has gained some of the abilities of the ancestral black dragon, with the ability to levitate the void, but the dragon wing can speed up its flight, can also be used as a weapon for attack, and at the same time is an important part of maintaining balance.

It is not a hydra, it does not have the ability to regenerate severed limbs, and it doesn't know where to find natural treasures or elixirs that can regenerate severed limbs, so it naturally wants to keep its wings.

This time, the black dragon fell straight to the ground, and when it was about to fall to the ground, it twisted and directly smashed the powerful mountain ape to the ground.

The mountain ape snorted vigorously, and his hands were still pulling the dragon wings of the black dragon, ready to tear off the dragon wings in one go.

At this moment, the black dragon used both hands and tails, one claw was afraid to grab the head of the mountain ape, and the thick dragon tail pumped towards its back.

At this moment, even if the three-legged fire crow, the cold jade rabbit and the red bird tried their best, they still couldn't completely defuse the black dragon's attack, and finally the black dragon's dragon claws broke through the thick skin of the mountain ape and inserted it into the chest of the mountain ape.

Woo~

The mountain grabber let out a mournful roar, and it wanted to continue to pull the dragon's wings, but it couldn't, and the strength in its body quickly disappeared like a deflated ball.

Wait until the black dragon pulls out the dragon claws, vigorously grabs the mountain ape and releases the black dragon's dragon wings, and falls heavily to the ground.

The mountain ape struggled for a while, and never stood up again, it tilted its head sideways and looked up at its master, Qin Fangxin, its mouth moved, and slowly closed its eyes.

"Ah Da!" Qin Fangxin spurted out a mouthful of blood, he couldn't care about suppressing the turbulent sea of consciousness, and his heart was full of sadness.

In order to protect the hundreds of thousands of people in Los Angeles, his only two lord-level demon pets were all killed.

At this moment, Li Haoqiong's eyes were full of admiration and shame when they looked at Qin Fangxin.

"Now it's my turn!" Seeing such a scene, Ning Bizhen sighed lightly, seeing that he was about to cast the secret method of blood burning.

With the strength of the three-legged fire crow, as long as the three-legged fire crow burns her blood, she thinks that she can at least compete with the black dragon in a short time, and even with the help of her companions, she has a chance to defeat the black dragon.

"Bastard, you dare to invade the dragon's lair of the great Harry Kuqi!"

At this moment, the black dragon's expression changed greatly, and he didn't bother to care about Ning Bizhen and the others, so he immediately turned into a streamer and rushed towards his lair at the fastest speed.

However, the speed of the black dragon with the broken root of the dragon wing on the left was inevitably affected, and the speed was significantly lower than before it came.

The black dragon left so suddenly that they didn't even inform its allies, so when the high-level goblins found out that the black dragon had escaped, they no longer had any tacit understanding at all, and immediately wanted to scatter the birds and beasts.

"He succeeded, it's not good, immortality is in danger, I'll go over and pick him up first!"

Seeing the black dragon leaving in a panic, Ning Bizhen smiled, and then her expression changed, such a change in the black dragon was absolutely inseparable from Li Changsheng, and Li Changsheng went in the same direction as the black dragon escaped, she immediately judged that Li Changsheng would be in danger, so she chased the three-legged fire crow towards the black dragon regardless of it.

"Alas, I'll go too!" Li Haoqiong also wanted to save his nephew, the dragon python was his only flying demon pet, and at this time he could only subconsciously incite his wings and want to catch up.

"You are still injured, let's come, you take the Qin City Lord back to the city first, Luocheng needs you to stabilize the morale of the army!"

He Yan immediately stopped Li Haoqiong and preemptively drove the red bird to follow.

Li Haoqiong looked at the languishing Qin Fangxin, and turned to He Yan's back and shouted loudly: "Hey, forget it, you be careful, come back safely for me!"

He Yan didn't look back and responded to him with an OK gesture.

This gesture is passed by no matter which world.

"He really succeeded!" Qin Fangxin muttered to himself, his eyes were very complicated, not only excited and relieved, but also sad and lost.

He came to the corpse of the mountain ape in despair, and the whole person knelt directly on the ground, holding its corpse and weeping bitterly.

"Vigorously, we succeeded, we drove away the black dragon!"

Looking at Qin Fangxin's appearance, Li Haoqiong was really afraid that he would lose his mind, so he had to bite the bullet and say: "City Lord Qin, there is still a hard fight over there in Luocheng, let's go back as soon as possible!"

The black dragon fled, and the group of high-level goblins was the closest, so they naturally noticed it at the first time, but the low-level goblins who attacked Los Angeles were too far away, and they were still frantically brainless, and they found that there were very few low-level goblins who had run away in the 'background'.

Under these circumstances, the pressure on Los Angeles is still high.

"Okay, let's go back!"

Li Haoqiong successfully diverted Qin Fangxin's attention, and the Qin City Lord knew very well that now was the time to race against time, and a second later would probably kill a few more people.

Qin Fangxin had to stop the sadness in his heart, and he and Li Haoqiong quickly returned to Los Angeles, and under their command, they finally succeeded in defeating the beast tide.

Silent Forest, Black Dragon's Lair!

After triggering the early warning ban, Li Changsheng was not surprised, originally he wanted to leave a fast live mouth to report to the black dragon, but now that there is an early warning ban, then there is no need to use it, which saves him more than half of his time, from the original half an hour to more than ten minutes.

However, this also meant that Li Changsheng's time to search the dragon's lair had also been cut in half, with the speed of the black dragon, he could arrive in almost five minutes, and he had to reserve two minutes to run, and only three minutes to search.

During these three minutes, they also had to deal with the black dragon guards who stayed in the dragon's lair, and they were two blue-armored earth dragons.

They have all reached the elite level, but compared to Li Changsheng's demon pet, the gap is a bit big.

"Come out and kill them as fast as you can!"

When the two blue-armored earth dragons found Li Changsheng, Li Changsheng directly summoned all the demon pets.

In order to prevent the corpse of the ancestral black dragon, the black dragon's lair is naturally extremely spacious, much larger than a football field, and has reached a height of about thirty meters.

In such a big place, it will naturally not restrict the play of demon pets.

Roar~

At the first time, Ash roared, like thunder, and an invisible coercion quickly affected the two blue-armored earth dragons, even if they did not fall into a state of cringe, but their combat effectiveness still dropped a notch.

Under the terrifying gaze of the two blue-armored earth dragons, Li Changsheng's eleven demon pets joined forces to launch a long-range attack, and the colorful huge energy quickly overwhelmed them.

Among Li Changsheng's demon pets, Ash, Kailan, Blazing Bird, Day, Night, and Light Blessing Bird have all reached the elite level, and the combat power of the rest of the demon pets is almost no less than that of the Blue Armor Earth Dragon, and their fate can be imagined.

By the time the brilliance dissipated, the two blue-armored earth dragons had already fallen to the ground, their bodies covered with scars, their skin and flesh open, their limbs twitched a few times, and they had no life.

The two elite-level blue-armored earth dragons, Li Changsheng only took three seconds to be beaten to death by his many demon pets.

Suddenly, the ground behind Li Changsheng cracked violently, and then a huge figure rushed out, and the jagged mouth bit Li Changsheng's head.

With the size of its mouth, it could easily suffocate Li Changsheng's head in one bite.

At the critical juncture, a thick earthen wall suddenly appeared, separating Li Changsheng from the sneak attackers.

Boom~

A dull sound sounded, and the earthen wall shook violently, but it did not shatter immediately.

By the time the earthen wall was shattered, Li Changsheng had already completed his turn, and under his feet was a water dragon more than ten meters long, which set off his body.

At this time, the earthen wall finally shattered, revealing a huge body like an earthworm.

"Prehistoric sawtooth earthworm!"

Seeing the appearance of the sneak attacker, Li Changsheng instantly recognized the identity of the other party, because he had killed a prehistoric sawtooth earthworm with great effort three months ago, and he was naturally impressed.

It's a pity that this time is different from the past, the current Li Changsheng is no longer what it used to be, and it is impossible for an elite-level prehistoric sawtooth earthworm to make him as fearful as he was three months ago.

At this time, more than a dozen vines burst out of the ground, instantly tying up the prehistoric sawtooth earthworm.

In an instant, Ash rushed to the prehistoric sawworm, and before the prehistoric sawworm could react, a smashing claw slammed into its head, almost shattering its head.

The huge body of the prehistoric sawtooth earthworm slammed into the ground, even if it was so violently injured, the prehistoric sawtooth earthworm with a strong life constitution did not die because of this, and its body was still moving violently.

Suddenly, Dumb grabbed both sides of the prehistoric sawtooth earthworm and pulled it hard, directly tearing it into two pieces.

Countless green blood spurted wildly, instantly staining the ground dark green.

The carcass of the prehistoric sawtooth earthworm, which had been split in half, struggled violently for a few moments, and was no longer alive.

It was only at this moment that Li Changsheng had time to look at the corpse of the ancestral black dragon.

This is a more than 100-meter-long ancestral black dragon corpse, it was well preserved by the black dragon Harikuchi, there is a hole in its heart, and there are no scars in the rest of the parts, judging from the painful expression and staring dragon eyes of this ancestral black dragon, it is not sleeping peacefully, but was forced out of the heart by some kind of giant goblin before its death, and it was killed with one blow.

"It's, it's exaggerated!"

Li Changsheng was shocked and stuttered a little, this is an ancestral black dragon more than a hundred meters long, its combat power is at least the demon saint level, it may be a higher-level existence, but it was killed by a certain creature with one blow, and it is still the kind that has no power to fight back.

"It's my business, let's deal with its corpse first!" Li Changsheng shook his head vigorously, directing eleven demon pets to attack the ancestral black dragon corpse, wanting to split it.

Li Changsheng's space ring is only a hundred cubic meters, and it can't fit the corpse of the ancestral black dragon at all, and it can hold a small part of it if it is supported.

Click~click~click~click~

Even Ash, the strongest in Li Changsheng's hand, couldn't break through the dragon scales of the ancestral black dragon, and he didn't even leave a trace.

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