In an ordinary world, a Heavenly Emperor was already an immortal-like existence. It was as if he no longer had the seven emotions and six desires, not eating the food of mortals.
But in reality, this was not the case. Different realms had different opponents.
Take Chu Xingyun as an example. When he became a Heavenly Emperor, all of his previous opponents could no longer be considered opponents.
Take the demon race as an example. Even if their strength was the highest, no matter how great their influence was, they were also not Chu Xingyun's match alone.
If Chu Xingyun was willing, he could completely annihilate all of the demon race in the Universe World under the premise of owing the demon race enormous karma, not leaving even a chicken or a dog.
As the sovereign of the Universe World, Chu Xingyun seemed to already be supreme and unparalleled.
But in the vast sea of stars, what did a mere Qiankun Star amount to?
If the sea of stars was compared to the sea, then the Universe World was merely a drop of water in the sea.
So what if he became the sovereign of a drop of water, what could it prove?
When Chu Xingyun dominated a drop of water, his opponents changed.
Although ordinary Emperor Emperors could no longer contend with Chu Xingyun, in the sea of stars, those Heavenly Emperors who possessed the power of a world became Chu Xingyun's new opponents.
When there was a change in the level, the opponent would also change completely, and the things required would also change.
Wanting to enter the Miracle Path, just relying on the fleshly body to fly was absolutely impossible. It was too unsafe and the speed was also too slow.
Not every Heavenly Emperor was like Chu Xingyun, having a Great Void Spirit Devouring Python as a mount.
And in fact, even if it was a Great Void Spirit Devouring Python, if it had a set of powerful void magic artifact, its movement speed and spatial folding ability would also increase by several times, several times, or even hundreds or thousands of times.
Simply speaking, even as a Heavenly Emperor, he also had needs.
Compared to ordinary people, heaven and earth required more types of resources, and the quantity was even greater!
To ordinary people, ten thousand taels of gold was already an astronomical figure.
But to Heavenly Emperors, gold was just an ordinary resource. Finding a golden planet and directly smelting it, one could obtain trillions of taels of gold.
Of course, no matter where, gold was one of the most expensive metals.
It was not that the so-called golden planet did not exist, but such a planet was also a treasure trove that could only be encountered by chance and not sought after by the Heavenly Emperor.
To put it simply, Celestial Emperors were the same as mortals. They also needed resources.
The only difference was that the Emperor needed more types of resources, and in greater quantities!
Putting aside the types for the time being, in terms of quantity alone, the amount of resources a Celestial Emperor needed was billions of times that of an ordinary person.
Therefore, Raijin Tiandi also had many needs. Among all these needs, there were very few that he could obtain through his own efforts.
Since he was unable to obtain his own strength, he could only exchange it with other Heavenly Emperors through transactions.
Therefore, this Thunder God World was a planet developed by Raijin Tiandi. Its main business was to refine Thunder God Battleships for the Heavenly Emperor powerhouses in the Northern Star Domain!
Using the Thunder God Battleship to fight against the Sky Emperor, the effect was a little unsatisfactory.
But using it to fight against the void bug race, the Thunder God Battleship was irreplaceable.
If he learned from Chu Xingyun and traveled alone, once he encountered the invasion of the void bug race, trillions of void bugs would surround him. Even if Chu Xingyun had three heads and six arms, it would probably be hard to break out of the heavy encirclement too.
But with the Thunder God Battleship, everything was very different.
Outside the Thunder God Battleship, there was the lightning star unique to the Thunder God Clan. Although the void bug race was powerful, they were most afraid of the power of lightning. Therefore … no matter how many void bugs there were, facing the Thunder God Battleship, they could only retreat.
Furthermore, after the Thunder God Battleship was charged, it could perform a space jump, making use of the gravitational force between stars to launch spatial folding, jumping from one star to the vicinity of another star.
To be precise, a Thunder God Battleship was a space fortress, a city that could fly.
After a month of understanding, Chu Xingyun could not help being a little speechless.
Something like Chu Xingyun, who rode the Great Void Spirit Devouring Python alone and sneaked into the Thunder God World, not to mention happening before, he had never even heard of it before.
Originally, Chu Xingyun did not mind spending some money to order a Thunder God Battleship from Raijin Tiandi.
However, the problem now was that Chu Xingyun did not bring anything with him when he came out. It could be said that he had nothing on him at all. He simply could not take out anything of value to exchange with the Thunder God Heavenly Emperor.
He wanted to go back and get it, but he had been traveling for more than three years. If he rushed back, this round trip would waste too much time.
Even if he went back, so what? What was there to gain?
Compared to the enormous Lightning God World, the Universal World and the True Spirit World were nothing more than a tiny piece of land. Even if he brought two planets with him, they wouldn't be worth anything in the eyes of the Lightning God Heavenly Emperor.
In desperation, Chu Xingyun could only make the most helpless decision, and that was to secretly learn!
As for what he owed Raijin Tiandi, he could only owe him for the time being. But fortunately … everyone was in the Northern Starry Sky, and there would be a time to meet sooner or later.
When Raijin Tiandi needed it, Chu Xingyun would return this favor.
Of course, the so-called secretly learning was not about signing up for the exam and then learning step by step.
If he really wanted to learn like this, without a hundred years, he would not be able to learn it, and he would not be able to master it.
First, Chu Xingyun rushed to the library and imprinted all the basic forging subjects in his mind. Then, he rushed back to his residence and cultivated in seclusion, mastering all the basic forging subjects.
He did not ask to immediately start forging, but at the very least … he had to firmly grasp the knowledge.
One had to know that the basic forging subjects were the prerequisite for entering the Thunder God Academy. If he could not thoroughly grasp the basic forging subjects, he would not be able to enter the Thunder God Academy.
Entering the Thunder God Academy was to learn the basics of Thunder God Battleship design and construction.
Only the blacksmiths who graduated from the Thunder God Academy had the ability to design and construct Thunder God Battleships.
The reason for this was because all the books regarding Thunder God Battleships could only be read in the Thunder God Academy's library. They could not be found anywhere else.
Of course, Chu Xingyun also wanted to go and peek, but in reality, he could not do so.
After all, how could Raijin Tiandi not have any precautions in such an important place?
If he insisted on sneaking in and peeking, it was not impossible. But if he did so, he would be provoking Raijin Tiandi, and would have to fight with Raijin Tiandi.
By now, Chu Xingyun knew that he was not Raijin Tiandi's match. If he insisted on fighting, he would basically lose.
Don't forget, this was Raijin Tiandi's territory. If he provoked him here, would there be any good consequences?
Therefore, if he wanted to properly learn the complete set of Thunder God Battleship design and construction techniques, entering the Thunder God Academy was a necessary and unavoidable hurdle.
Of course, after entering the Thunder God Academy, it would be simple.
At least one month, at most three months, Chu Xingyun would be able to rely on his terrifying intelligence to copy the complete set of Thunder God Battleship design and construction techniques.
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