The Yin-Yang Mountain was already filled with a dense concentration of Yin energy, which provided him with ideal conditions for setting up his formation.

He took out several precious jade stones from his storage ring. These jade stones emitted a faint chill and were excellent materials for setting up the Yin Cold Array.

Fang Han placed the jade stones around the Yin-Yang Tree in a specific orientation and order, and then used the Azure Dragon Sword to carve some mysterious runes on some boulders using local materials.

The Azure Dragon Sword danced in his hands, its tip carving deep marks on the boulder. The runes shimmered with a ghostly blue light, as if containing endless, chilling power.

Soon, as Fang Han completed his arrangements, the cold, yin energy between heaven and earth in Yin Yang Mountain seemed to be drawn by an invisible force and began to slowly gather.

They formed a huge vortex, surging towards the summit of Yin-Yang Mountain, centered on the Yin-Yang Tree.

In an instant, a chilling atmosphere filled the mountaintop, as if one had entered a world of ice and snow.

After the time it takes to drink a cup of tea, the chilling atmosphere on the mountaintop became even more intense.

The biting cold sent a shiver down one's spine, and the previously sweltering air was completely dispelled.

As the cold, yin energy gathered, the temperature at the mountaintop gradually decreased, and the environment around the Yin-Yang Tree gradually returned to its former balance.

Fang Han looked at his masterpiece and breathed a slight sigh of relief.

He knew that this Yin-Yang Array could only temporarily alleviate the crisis facing the Yin-Yang Tree. To completely resolve the imbalance of Yin and Yang in Yin-Yang Mountain, it was necessary to further investigate the cause and find a fundamental solution.

...

Over the next few days, Fang Han and Tantai Qiuyue joined hands, leading the elite forces of the Demon Suppression Division and the soldiers of the city defense army on a journey to exterminate demons and protect Tianyi City.

They decided to start with the city and launch a meticulous cleanup operation.

It turned out that during this period, a few cunning monsters had silently sneaked into the city, like ghosts in the dark night, casting a shadow over the city.

Although these monsters are few in number, annihilating them in one fell swoop is by no means an easy task.

These monsters are extremely cunning. During the day, they seek out secluded corners to perfectly conceal themselves, as if blending into their surroundings, making it difficult for people to detect their presence. But once night falls, they appear silently like ghosts, attacking innocent people without restraint.

However, whenever the people from the Demon Suppression Bureau and the city defense army arrived after hearing the news, ready to bring these evil monsters to justice, these monsters had already disappeared without a trace with their keen senses and agile movements, leaving behind only a messy scene and terrified people.

For this reason, although these monsters are few in number, they are extremely dangerous. They are like poisonous thorns hidden in the dark, constantly threatening the lives of the people and causing countless people to suffer. Many people are even living in endless fear and their lives are in dire straits.

But now, Fang Han's arrival is like a ray of dawn breaking through the darkness, bringing a turning point to this difficult extermination operation.

He possessed a powerful divine sense, which was like an invisible yet indestructible net that could cover almost a quarter of the urban area of ​​Tianyi City.

Within this vast area, no slightest movement could escape his keen perception.

With this powerful divine sense, Fang Han was able to quickly and accurately detect the monsters lurking in the city.

Once a target is locked, he will immediately command the Demon Suppression Division and the city defense army to launch a swift attack and wipe out the demon beast in one fell swoop with overwhelming force.

Nowadays, the city defense troops are completely obedient to Fang Han and Tantai Qiuyue. After all, the two evil heads of Wu Tian and Wu Hanchun are still hanging high at the city gate of Tianyi City, like a loud alarm bell, constantly reminding everyone.

Even Wu Tian's former confidants within the city's defense forces were too intimidated to cause trouble under this threat.

In this way, the efficiency of eliminating monsters is greatly improved.

In just three days, the monsters in Tianyi City were completely wiped out.

Those demonic beasts that once ravaged the city have now turned into cold corpses, which have been cleaned up, and their essence blood has been collected by the people of the Demon Suppression Bureau and the city defense army.

Fang Han also taught the soldiers of the Demon Suppression Division and the city defense army cultivation techniques, so that they could make good use of the essence blood of these demon beasts to improve their cultivation.

As a result, the fighting strength of the people from the Demon Suppression Division and the city defense army became stronger and stronger.

With the monsters cleared from the city, the people of Tianyi City, who had been living in constant fear, could finally breathe a sigh of relief, and the number of people fleeing the city was greatly reduced.

After successfully eliminating the monsters within the city, Fang Han and Tantai Qiuyue did not slack off in the slightest. They immediately turned their attention to the outskirts of the city.

The outskirts of the city are a dangerous area overrun by monsters. The number of monsters here is many times greater than that inside the city. They are not just small groups of monsters; there are often thousands of them.

Meanwhile, the Demon Suppression Army has been engaged in fierce hunting operations against monsters in the suburbs.

Yang Xiao, the vanguard general of the Demon Suppression Army, was a powerful expert. With his addition, the Demon Suppression Army was greatly strengthened and successfully killed many evil demons.

However, compared to Fang Han, Yang Xiao's divine sense could only detect a much smaller area.

In addition, the Demon Suppression Army has only about a thousand people, which is far less manpower than the teams led by Fang Han and Tantai Qiuyue.

Therefore, despite the demon-suppressing army's valiant efforts, their achievements were incomparable to those of Fang Han and Tantai Qiuyue.

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