In the fourth month of Li Shengtian's retreat, the sky above Feixian City suddenly darkened, the wind was fierce, and the city protection formation suddenly lit up with a layer of light, which was an automatic self-protection when the formation was attacked.

Outside the Flying Immortal City, a group of monsters suddenly surged into the dim heaven and earth, although these monsters were extremely numerous, they were divided into four groups, occupying the four directions of the southeast, northwest, and northwest of the Flying Immortal City, constantly attacking the city protection array.

The protective formation of Feixian City is a seventh-level large array, and when the Xuanzhou Demon Disaster broke out before, this large array played a great role and contributed to the protection of the residents in the city.

This large array was attacked by monsters, but they all survived without danger, but this time, the soldiers who defended the city changed their faces, because there were too many monsters attacking this time, I am afraid that there were tens of millions!

"Tick-tick-tick-"

Rapid sirens sounded in every corner of the city, reminding the residents of the city to take shelter.

There are not only monks in the Flying Immortal City, but also a large number of ordinary people, who have no power to resist in the face of monsters.

At this moment, in the Demon Slaying Alliance, Ximen Fengyun and Elder Xin Tai had already rushed out, followed by the Merge Realm National Master, Li Guoshi.

"Senior Xintai, this time so many monsters suddenly appeared outside Feixian City, it must be the heavenly demon who escaped from Yuzhou who is making trouble, I didn't expect it to recover so quickly!"

Ximen Fengyun's eyes shot out a cold light, and he stood side by side with Xin Tai above Feixian City, staring at the countless monsters outside the formation.

"I think that the Heavenly Demon is hiding somewhere, and for a while, Li Guoshi will stay in the city to preside over the operation of the protective array, and the old man will go out with you to face the Heavenly Demon!" Xin Tai's tone was solemn, and he was not too sure that he could leave that Heavenly Demon behind.

Ximen Fengyun looked at a certain place in the city, with a hint of dissatisfaction on his face, "Before leaving, the family teacher told me to let that Li Shengtian help him in times of crisis, but now it seems that it is impossible, at this moment, that guy is still in retreat and cultivating, I really don't know how he can calm down!"

As if hearing Ximen Fengyun's anger, Xin Tai was relieved: "Ximen Xiaoyou, although this heavenly demon is difficult, with the two of you and me joining forces, self-protection is not a problem, the key is to kill it, but it is difficult, let's go and meet it first!"

Ximen Fengyun pulled out the Qingyun Sword, and a cold aura immediately surrounded him, and without saying a word, he took the lead in rushing out of the protective array.

......

With the help of the medicinal effect of the high-grade barrier-breaking pill, Li Shengtian finally broke through to the late stage of the Merge Realm and came to the seventh layer realm. At this moment, his Yuan Mansion space has reached the size of five thousand zhang, and more divine substances are born in it, nourishing the Yuan Shen body inside, making it stronger and more condensed.

The monk's Yuan Shen body is not very stable in the entire merge realm, only gradually cultivated, so that it grows and grows, and finally completely reaches the size of the flesh, at this time, it is considered to have completed the cultivation of the merge realm, and you can start to prepare for the body of the primordial god to leave the Yuan Mansion space and rush out of the body, and that is the time to achieve the void immortal.

Li Shengtian had an urge to immediately promote to Void Immortal at this moment, but he was obviously a seventh-layer merge, but the body of the Yuan Shen had already completely grown to the size of his physical body, and he had never expected this.

However, this is not a good thing, in the next practice, he can specially polish the body of the primordial spirit, so that it is more flawless and more compatible with the physical body.

Sensing that the prohibition he had placed at the door of the room was lightly touched a few times, Li Shengtian understood that something big must have happened outside, otherwise Yueru and the others would not easily disturb their cultivation.

Flashed out of the Xuanhuang Pagoda, and hid it in the depths of the dantian, Li Shengtian opened the door and walked out.

"Boom!"

The roar outside the Flying Immortal City immediately reached Li Shengtian's ears, and he frowned as he looked at the pitch-black demonic qi and roaring monsters in the sky.

"Big brother, it's not good, the outside of Feixian City was suddenly surrounded by countless monsters, now all the monks in Feixian City have gone to the city wall to block the monsters, Ximen Fengyun and Xin Tai's predecessors are fighting against the Heavenly Demons outside the city, what should we do? Do you want to help?"

Li Shengtian said calmly: "Ru'er, don't worry, with the eldest brother here, it will be fine." In this way, you and Yang Yang and a few people stay in the city to support the city defenders, and I will go out and destroy that heavenly demon!"

"Big brother, then you have to be careful!" Yueru nodded and admonished.

......

This is a Heavenly Demon, and it is also the doppelganger of the self-proclaimed Bo Xun Monster.

Xin Tai and Ximen Fengyun are besieging it, Xin Tai's magic weapon binding demon lock is like a coiled python at this time, closely chasing the heavenly demon who is constantly changing its shape, Ximen Fengyun's Qingyun sword, but it blooms into a cold space, forcing the extremely fast heavenly demon to be blocked by many obstacles.

In addition to the Demon Lock, Xin Tai also sacrificed another magic weapon, the Measuring Ruler, however, the aggressiveness of the Measuring Ruler is not very strong, whenever it hits the body of the Heavenly Demon, it only disperses the demonic qi covering the Heavenly Demon's body, and it does not cause much damage to the Heavenly Demon!

All the two could do was try to entangle the monster and prevent it from rushing into the city.

However, as time passed, the Flying Immortal City's protective array was destined to be destroyed by monsters, just because there were too many monsters attacking the protective array, and there was no shortage of powerful monsters.

"Damn, when will this Li Shengtian get out!" Ximen Fengyun began to get anxious in his heart, once the monsters destroyed the protective array, I am afraid that all the ordinary residents inside will become the nourishment of the monsters!

"Haha, Brother Fengyun, it's hard work, Li is a little late, don't blame, don't blame!"

A hearty laugh suddenly sounded in Ximen Fengyun's ears, making him almost lose his mind, and he was almost caught in the shoulder by the Heavenly Demon.

"Li Shengtian, I, Ximen Fengyun, really think of you, I thought you were also a character, but I didn't expect to be so good at drilling camps, monsters are coming, you are only here now, don't you want to wait until I and Mrs. Xin's predecessors are exhausted from fighting with the heavenly demons, so you can take the opportunity to pick up the cheap?" Ximen Fengyun said angrily.

Li Shengtian said with a straight face: "What is Brother Fengyun talking about, if Brother Fengyun doesn't want Li to interfere, Li will watch it here!"

"You-" Ximen was angry, no longer speaking, and the Qingyun Sword erupted into an even more fierce attack, enveloping the Heavenly Demon in the vast sword qi.

Elder Xin Tai blocked the claws of the Heavenly Demon with a measuring ruler, and said, "Li Xiaoyou, don't be like Ximen Xian's nephew, he is also in a hurry, this Heavenly Demon is not easy to deal with, come and help!"

Li Shengtian smiled: "It's okay! I'll make a move!"

A black spear appeared in his hand, and the body of the spear was glowing with a psychedelic color, making the entire body of the spear hazy and unreal.

"Good gun!"

Xin Tai noticed the extraordinaryness of this spear magic weapon, which was a superb spiritual weapon.

"Snort!" The spear slashed through a phantom image from Li Shengtian's hand, and the sound of piercing immediately came from the air, and a space of gun's intent containing a chilling murderous machine was instantly formed, forcing the flickering figure of the Heavenly Demon to stagnate!

In the space of gun intent, the endless spear light penetrated the whole body of the Heavenly Demon in an instant, making the Heavenly Demon's demon body dim a little.

Ximen Fengyun frowned, "Is this the real strength of this guy?"

He thought to himself that he couldn't make his own space with one shot, and he was still a little short of the realm of comprehension!