Meng Xuan was surprised to see that the patients in the city he had worked so hard to cure had come back again.

Just before it got dark last night, he looked at the entire city, and he could see that the city's qi was clear, and there was no plague, but it only took one night, and the city's clear qi was once again smeared with a trace of black qi. Meng Xuan knew that this was the plague, which meant that many people in the city had been infected with the plague again, and although they were still weak now, they would soon grow stronger again.

"Childe, what's wrong?"

The treasure pot that was reluctantly saying goodbye to the young children in the academy saw Meng Xuan's face and immediately knew that something was wrong.

"Take the kids back!"

Meng Xuan returned to the academy again, his brows furrowed, and paced around the courtyard.

"It's completely unreasonable, the plague I uprooted, there is no reason to recover again......"

Meng Xuan frowned, although he had heard Xiang Chenggui say that the plague would be re-infected, but he didn't expect that the people he cured would also be like this, there are countless ways to cure diseases in the world, there is probably no way, it is more thorough than the Great Illness Immortal Formula, he directly pulled out the sick qi from the body, clean, there is no residue, if it is not for the extremely special situation, otherwise there is no reason to recover at all.

But since the plague has risen again, isn't it in vain that I have been busy for the past two days and two nights?

Frowning and thinking for a while, Meng Xuan sacrificed thirty-three swords, and his body suddenly turned into a streamer and flew into the sky.

When the children saw it, they were all stunned, and after a while, they shouted: "Wow, the fairy ......"

"The brother who doesn't like to laugh is a fairy ......"

"General, are you the protector of the fairy brother?"

The treasure pot was stunned for a moment, and said with a wry smile: "It's not the Dharma Protector General, but I'm the master of the Immortals......"

Meng Xuanfei was in the air, unfolding in a hurry, flying around the city, observing the direction of the sickness below from a high altitude, gradually, a guess rose from his heart, until the matter was almost confirmed, he completely put his mind at ease, and Edgeworth returned to the academy, Shicai's face was heavy but swept away, replaced by a face of joy and high fighting spirit.

"Little sir, how is the situation?"

The old Confucian asked nervously.

Meng Xuan smiled: "That's right, I'm pretty sure, no matter how we treat it, the plague will come back......"

"That'...... Are you still laughing?"

The old Confucian beard trembled, and he didn't know whether he was angry or frightened.

Meng Xuan smiled: "That's why I laugh, because I can eradicate the roots!"

"Huh?"

The old Confucian and the treasure pot both looked at him with a puzzled expression, Meng Xuan didn't sell it, and said directly: "I am only observing the ground at a high altitude, there is an eighty percent possibility, the plague in Zhaoyang County is too strong, and a plague god has been bred, it is precisely because of this plague god that the plague is more and more powerful, and it is useless to cure it, as long as people are here, the sickness will be repeated ......."

"Plague God...... The legendary disease?"

The old Confucian was frightened, and his expression was a little distorted.

"Not bad!"

Meng Xuan nodded, and said: "Heaven and earth are strange, the aura will contain divine beings, and the place where the evil qi breeds, will also give birth to evil demons, this Zhaoyang County boundary, nourished by yin qi, has already given birth to a plague god, but now it has not yet become a climate, just instinctively spreading the plague, and fortunately it is now present, otherwise when it grows up, it will wander the world and be a disaster......

"This kind of evil will only appear in a chaotic world, how can this be good?"

The old Confucian anxiously began to turn in circles.

Meng Xuan smiled and said: "Don't worry, I will kill him!" Originally, I was worried that with my method of curing diseases, the degree was too slow to save the people of this county, but now I am more relieved, after killing the plague god, the plague qi will disperse by itself, these patients can be cured with ordinary medicinal materials, and we don't have to work so hard at that time, just invite some mortal doctors to come......"

"Slayer the Plague God?"

The old Confucian student's eyes widened, and it seemed a little incredible.

Meng Xuan smiled, didn't say anything to him anymore, and directly sacrificed the flying sword, and flew into the sky with a treasure pot.

"Childe, even if you have a plague god, you don't have to be so happy, right?"

Flying in the air, Bao Pen asked with some puzzlement.

Meng Xuan laughed and said, "You said that a cultivator suddenly saw a treasure medicine, would he be excited?"

The treasure pot was stunned for a moment, not knowing what to say.

After staying in Xianmen for so long and reading countless classics, he naturally gained knowledge and knew a lot about the common sense of Xianmen.

The elixirs in the world, although they are born from the aura of heaven and earth, are all only a thousand years old.

Those under a thousand years are called elixirs, and after a thousand years old, they are called treasure medicines.

As for the long live, it is a miracle medicine.

Treasure medicine and elixir are the same quality of plants and trees, but the medicinal effect is not the same.

A thousand-year-old treasure medicine is worth ten ninety-nine-year-old elixirs.

A thousand years old is a threshold, just as much as the difference between a cultivator of the Ninth True Qi and a cultivator of the True Spirit Realm.

For Meng Xuan, sickness is an elixir, and the plague god that breeds this is a treasure medicine.

Even he didn't know that a plague god could refine several Dans.

The most important thing is that this plague god has obviously just taken shape, and he doesn't even know how to hide his qi.

If someone in the Immortal Gate appeared a treasure medicine, what would happen?

I am afraid that in the entire Holy Land, all the powerful True Transmission disciples will go forward to fight for it, break their heads, and blood will flow like a river.

And Meng Xuan appeared this plague demon, and he was in a similar mood, but he didn't have to worry about someone robbing him.

"Luck, it's really luck, I now have some belief in the phrase that good intentions are rewarded......"

Meng Xuan couldn't help but laugh, in exchange for a big white eye in the treasure pot.

"Here it is......"

Meng Xuan flew around the sky twice, but saw a county, all the plague, all in the shape of a whirlpool, faintly pointed to a place, if you carefully stare at the plague, you can appear, every once in a while, the plague will shrink to the center of the whirlpool, and after a while, it will spread out again, just like someone is swallowing the plague, inhaling and spitting, absorbing the heaven and the earth, the weather is amazing, and the forest is terrifying.

Meng Xuan was familiar with this phenomenon and guessed that there was a plague god breeding here.

"Let's go, kill the plague god and save the ...... of Li Min"

Meng Xuan sighed, sneered, and began to fall down.

The two of them flew towards the center of the whirlpool formed by the plague, and just as they got closer, Meng Xuan's heart suddenly sank, and he did not fall directly, but glided into the distance, and fell down about ten miles in the center of the whirlpool, he frowned, and said to himself: "There is a magic circle to protect it, this demon has not yet grown up, I think it is not laid by it, maybe it is a natural magic circle......"

He used the Qi Observation Technique and began to observe the trajectory of the magic circle from the monstrous plague.

"That's right, it's really a natural magic circle......"

Meng Xuan had a number in his heart, the magic circle was not necessarily laid down by the cultivator.

In fact, the world's original magic circle, is the generation of heaven and earth, when Emperor Yu ruled the water, observed the direction of heaven and earth, cracked the trajectory of the innate magic circle, this left a legacy for the world cultivators.

The magic circle generated by heaven and earth often breeds spiritual objects, and the plague god is actually a kind of spiritual object.

There is no distinction between good and evil in heaven and earth, and those that breed from it are all spiritual creatures.

One of the characteristics of the magic circle generated by heaven and earth is that it is either extremely complex or extremely simple, and it is not difficult for the treasure pot to crack it.

In fact, Meng Xuan's magic circle can be broken by himself, but after having a treasure pot, he is too lazy to study it, the magic circle is one of the biggest inheritances in the world, the mystery is difficult, and it is not good to learn without spending a lot of effort.

The treasure pot was very excited, for him, having a magic circle to break can be said to be one of the greatest joys of life.

As they went, the two of them quickly went deep into the circle.

Feeling that the plague around him was getting heavier and heavier, Meng Xuan also sacrificed the thirty-three swords.

Gradually, they approached a barren mountain with black and red soil, and the rocks were abandoned, and not a single grass was grown, and all kinds of bone-scraping yin winds were born on the flat ground, and suddenly appeared, swept one side, but then dispersed silently, and returned to nothingness.

"I see, this is the center of the legendary ancient battlefield, right? The killing qi of the year, eroded the ground, and has formed a yin vein underground, which is usually nothing, with the outbreak of the plague in Zhaoyang County this time, a plague god was bred here, fortunately I came early, otherwise it would be more difficult to deal with than ordinary plague gods......

Meng Xuan sighed in his heart, glanced at the treasure pot, and the two walked towards the Innate Formation Eye together.

Where the eye of the array is, it must be the hiding place of this plague god.

"Treasure pot, after meeting the plague god, you will ......"

Meng Xuan whispered to the treasure pot, and the treasure pot nodded solemnly.

Although it is timid and afraid, it also knows when to tell.

Such a thing as slaying demons and destroying demons and seeking peace for the people, even if Meng Xuan did not allow him to do it, he would take the initiative to get involved.

And although he doesn't practice martial arts or magic, his brute strength and corpse demon body are really not to be underestimated.

(What else can the old ghost say?ask for the support of the brothers!)

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