The ring-shaped mega-city of the Heavenly Demon Domain, even its shortest sections, stood at a height of approximately one thousand meters.
Legend had it that the Heavenly Demon City was an eternal city, indestructible for countless eons.
While other domains had produced Supreme Beings who left behind boundless power to safeguard their realms, the Heavenly Demon Domain relied solely on this colossal ring-shaped city.
It comprised five layers, with the outermost layer being the tallest.
From their current vantage point, the city wall they faced was clearly not the outermost layer.
Yet, at this moment, the thousand-meter-high giant wall appeared as if a bite had been taken out of it.
Within the massive breach, remnants of broken walls were visible, and the ground itself seemed to have been plowed.
A gap spanning over a thousand kilometers—one could only imagine its sheer immensity.
Chu Tian meticulously scanned the material in the space with his divine sense.
"Hmm? No radiation?" Chu Tian was taken aback.
He was within the blast radius but felt no harmful substances.
In other words, the nuclear radiation, the most lethal aspect of such an explosion, was absent here.
It was as if the nuclear weapon had mutated; its blast radius had increased, but the nuclear radiation had vanished.
However, this was for the better. There was no fear that after a nuclear bomb was dropped, they would be unable to remain in the area for long.
"Move!" Chu Tian's divine sense surged, and he and Sister Hong and the others propelled themselves forward at maximum speed.
Teleporting continuously without pause, they rushed towards the massive breach five hundred kilometers away.
*Whoosh...!*
In the blink of an eye, Chu Tian and his companions had entered the range covered by the city wall.
Upon reaching this point, Chu Tian realized his estimation had been inaccurate.
Their previous position was two hundred and fifty kilometers from the city wall.
He had been wondering why, with a thousand-kilometer section of the wall collapsed, he had initially thought the proximity to the ground vibration had caused a chain reaction.
Only upon reaching the wall did Chu Tian understand. Due to the wall's obstruction, the explosive airflow had been compressed, significantly widening the horizontal impact range.
This revelation made Chu Tian comprehend the terrifying power of this explosion.
The walls of the Heavenly Demon City were a thousand meters thick, constructed entirely of solid stone.
The stones were bonded together with molten iron.
The outer layer alone was a hundred meters thick, entirely cast in molten iron, giving it a glossy sheen.
Given such a city wall, its resilience was undoubtedly immense.
It was precisely because of its presence that Chu Tian and his group, hiding behind stones two hundred and fifty kilometers from the wall, had survived unscathed.
Otherwise, that distance would not have been safe.
Chu Tian believed he would not be in danger, but Sister Hong and the others might not have been so fortunate.
Even with the barrier he had erected, it might have been difficult to protect them.
Furthermore, the Heavenly Demon City was vast; the distance between the two opposing walls was two hundred kilometers.
Therefore, the explosion's starting point could not be calculated based on the distance from the wall to where Chu Tian and his group were.
Sister Hong and the others naturally witnessed this scene as well.
The three of them found themselves unable to articulate their feelings.
Everyone thought of the young girl who followed Chu Tian.
Was it all her doing?
Even a powerful figure at the Saint King level could not have caused such destruction!
The Heavenly Demon Domain, the Heavenly Demon City.
Its supposedly indestructible walls, built over countless eons of development and reinforcement, had never been breached since their construction.
If anyone were to learn today that the Heavenly Demon City wall had been pushed back over a thousand kilometers, they would surely be astonished.
Would it be assumed that an ancient Supreme Being had reappeared?
Chu Tian led them onward without pause, entering the original perimeter of the Heavenly Demon City and quickly exiting on the other side.
Suddenly, a flash of light appeared, and Yue Yue materialized.
The girl's hair was disheveled, and her face was smudged with black soot.
"What happened to you?" Chu Tian asked, startled.
"Master, what are you saying! It's that iron lump, I... I..."
She pouted as she spoke.
"Haha, serves you right! I told you, run as soon as you drop it!"
"I... I wanted to watch!"
Yue Yue said plaintively.
"Then who do you blame? We might have to do it again later, so you should go back and rest!"
With a flicker in his brow, Yue Yue vanished in a white light.
The Moon God's Wrath had previously been in a dormant state but had awakened during the nine thousand years in the Yin-Yang Realm.
Not only her, but even the seals of the Four Great City Lords had generated spirit entities.
Moreover, they retained the memories of their self-destruction.
This greatly pleased Chu Tian.
However, the four little fellows were growing a bit slowly.
They were still wearing split-crotch pants and red bellybands.
"How far apart are the two concentric Heavenly Demon Cities?"
Chu Tian asked Sister Hong.
"If we travel at full speed, it would take about three days. But your speed is much faster than ours!"
Naturally, with Chu Tian's teleportation and rapid movement, his speed was at least three times theirs.
"That means we can reach the next Heavenly Demon City in less than a day!"
Chu Tian narrowed his eyes. His current objective was a blitzkrieg.
Speed was crucial—to quickly break through the Heavenly Demon City's defenses and make a trip to the Yanhuang Domain to see what this place, inhabited by so-called pure-blooded humans, was like.
Perhaps he could obtain some useful information there.
Moving swiftly, in less than a day, they once again encountered the colossal city wall.
This city wall appeared to be significantly taller than the previous one.
This time, Chu Tian had learned his lesson. He stopped five hundred kilometers away, found a spot for cover, and summoned Yue Yue.
He handed her another large device with a yield of 7000 kilotons.
This level of nuclear bomb was the largest quantity in Chu Tian's inventory.
He had nine hundred and sixty of them with yields below 7000 kilotons.
There were eight hundred and thirty with yields between 7000 and 10000 kilotons.
As for those above 10000 kilotons, there was a gap.
He had one 80,000-kiloton device from the old "Ugly Country."
One 120,000-kiloton device, also from the "Ugly Country."
And a massive 360,000-kiloton device from Russia.
To Chu Tian's surprise, he had personally visited the Long Country's nuclear arsenal and obtained an 800,000-kiloton device.
The Long Country had always been very low-key in military matters.
Their approach was the complete opposite of the "Ugly Country."
The "Ugly Country" flaunted everything, while the Long Country hid everything.
He had never expected that the Long Country, operating stealthily, had developed such a massive nuclear weapon.
If other countries knew about this, they would likely be terrified.
Perhaps, with one such weapon deployed, the entire Blue Star would be annihilated.
Chu Tian had initially not intended to raid the Long Country's nuclear arsenal.
After all, he was himself a citizen of the Long Country and quite patriotic.
However, he ultimately felt that as he was going to fight in an outer domain, he needed ample ammunition.
Although the Long Country was his homeland,
if it were known that other countries' nuclear weapons had disappeared,
it was possible that the normally low-key Long Country might consider using nuclear weapons to threaten the world and dominate it.
Therefore, Chu Tian made a personal trip.
This trip directly provided him with a massive trump card.