The portal between the Martial World and the Tao Realm opened, effectively merging the two worlds into one.

Prior to this, although the Heavenly Ascending Ladder could allow free passage between the two realms, opening it consumed a great deal of power and could only transport a few individuals at a time, incomparable to the now completely accessible portal between the two worlds.

By this time, most people from the various sects had already arrived near Genius City.

Kuang Zhen Tian commanded his troops, leading five thousand Kuang Clan disciples through the space portal to the Martial World, descending onto the peak of Mount Tai—the Jade Emperor Peak.

To prevent people from the Demon Realm from entering the Tao Realm, after Kuang Zhen Tian arrived in the Mortal World, he left a thousand Kuang Clan disciples stationed at this Jade Emperor Peak, guarding the space gate, prohibiting anyone from the Demon Clan or unable to prove their identity from going to the Tao Realm.

How Kuang Zhen Tian deployed his troops was not of Chen Nan's concern; once he returned to the Mortal World, he immediately hurried to Ninghai City.

Initially, when Kuang Zhen Tian and others were opening the space portal, Chen Nan planned to go to the Purple Bamboo Forest, and let his senior sister send him back to the Mortal World first. However, even a warship would take about three days from Genius City to the Jinan Purple Bamboo Forest, and the time to open the space portal was about three days as well.

Since it would take three days to return to the Mortal World anyway, Chen Nan decided not to go to the Purple Bamboo Forest, waiting in Genius City for the space portal to open.

Now, just having returned to the Mortal World, he hurried back, only to witness one tragic scene after another.

The Demon Clan had already invaded the Mortal World; everywhere he went, there were cries of despair, everywhere in the sky and on land were demon cultivators launching massive slaughters against the Human Clan, and there were only so many human cultivators, naturally unable to put up a strong resistance.

Nowadays, across the Mortal World, one could only see demon cultivators running rampant, hardly any human cultivators in sight.

Along the way, Chen Nan saw city after city utterly destroyed, streets in ruins, littered with the bodies of his slain human compatriots; apart from the national army and police armed with guns and artillery in resistance, there were hardly any other survivors visible.

The human cultivators in the Mortal World were far too few, not at all on the same level compared to the Demon Realm.

Modern weapons, although formidable, had almost no lethality against powerful cultivators, and as for the most potent nuclear weapons, the government could not easily deploy them.

After all, this was their own country, their own homeland.

If nuclear weapons were used on this territory, the radioactive pollution could last for decades or even centuries.

By that time, even if victory was achieved, humanity would have nowhere to reside themselves, gaining nothing; moreover, the demon cultivators were so formidable that even deploying nuclear weapons wouldn't necessarily ensure victory.

At the very least, cultivators above the Immortal Domain could disregard any nuclear weaponry.

Those in the Immortal Domain Realm had already forged an Immortal Body; these modern weapons could do nothing against them.

Chen Nan piloted the warship, unknowingly running over numerous obstructive demons along the way, quickly arriving at Ninghai City.

This city, once so familiar, now seemed so unfamiliar to Chen Nan; the skyscrapers had been completely destroyed, demons slaughtered people everywhere, and gunfire and artillery sounds sporadically echoed in the distance where the military and police continued their resistance.

Chen Nan had a bad feeling and rushed back to his own villa immediately.

The luxurious villa had been reduced to ruins, leaving only some broken walls and debris; Chen Nan's eyes reddened as he charged in, shaking the bricks and tiles off the ground with his Inner Strength.

His body trembled, fearing he might find the corpse of his beloved.

After turning over the entire villa, Chen Nan only found some demon corpses and the remains of the military and police.

"Qingqing and Tiantian's cultivation is strong, they must still be alive, certainly still alive!" Chen Nan comforted himself, his eyes blood-red, soaring into the sky, heading toward where demons and the military were engaged in battle.

The ground was piled high with wrecked vehicles and bodies torn apart by demons.

In such a large city, aside from those who fled in time, the rest were likely all buried here.

A demon spotted Chen Nan from afar, a large group rushing toward him, Chen Nan roared and wielded his Golden Phoenix Wing Mace, charging forward to kill the demons head-on.

"Thud"

Blood splattered as several demons were smashed to pieces with one stroke of Chen Nan's mace.

Seeing the fierce approach of Chen Nan, more demons immediately charged in, causing the pressure on the human military and police resisting with guns and artillery to lessen significantly.

The demon clan in front numbered over a hundred, comprising various species like wolves, insects, tigers, and leopards; fortunately, their cultivation wasn't very strong, with the most powerful being at the Third Level of Taoist, but no matter how many there were, they couldn't block Chen Nan.

One man with one mace, sweeping across the battlefield.

Chen Nan carved a path through the bloodshed, finally reaching the center of the battlefield.

Over a hundred human military and police personnel (soldiers and officers) were present; from afar, they saw this skilled human cultivator, and no one fired upon his approach due to misunderstanding.

"This place is not safe for long; check if there are any survivors nearby and evacuate promptly," Chen Nan called down from above to the people below.

Someone below shouted, "Are you Chen Nan?"

"I am."

Chen Nan looked down the direction of the voice.

It was a policeman in his thirties, whom he had seen before in the Criminal Police Team, seemed like the deputy captain, a very righteous man.

He yelled towards Chen Nan, "Hurry to your school, there are strong enemies there, and we were coming to reinforce there, but were blocked here."

Without another word, Chen Nan dashed hastily toward Ninghai University.

As the distance closed, gunfire echoed.

Chen Nan felt a bit anxious; he only went home earlier without visiting the school, could Su Qingqing and the others be at the school?

Currently, Ninghai University was completely destroyed, the campus now a scene of devastation, and who knows how many students were buried in the rubble; through a window in one remaining building, Chen Nan saw that many people were still alive inside.

Inside, outside, and even atop the building, there were soldiers and a handful of police officers.

Additionally, over ten human cultivators stood atop the building.

They were confronting hundreds of demons, with the most powerful having the Earth Penetrating Fifth Layer cultivation, attacking the building incessantly; fortunately, the more than ten human cultivators on the roof had decent cultivation levels, cooperating with the military and police, temporarily safeguarding the thousand lives inside this building.

"Dragon Emperor Heavenly Mountain Seal!"

Chen Nan charged into the demon horde's backline, unleashing a deadly move with an uplifted hand.

Mountains hovered above, majestic and vast, shrouding an area of several hundred square meters, striking down swiftly, covering at least a third of the demons within its attack range.

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