He collected the secret realm.
As he was about to leave, the Underworld Monarch asked, "Son, what do you plan to do with this secret realm?"
This secret realm had a magical function; the time flow inside was more than three hundred times faster than in the outside world.
"Father, I have found the Realm Tower!"
With that, he departed.
Upon hearing the words "Realm Tower," the Underworld Monarch froze in place.
"Hahaha, to have found the Realm Tower! No wonder my son's cultivation has advanced so quickly. With the temporal power of the Realm Tower, even a hundred times faster would not be surprising!"
He felt at ease.
He had even harbored suspicions about Ming Kun, given his rapid cultivation breakthroughs.
Now, he understood that it was because he had found the Realm Tower.
With a moment's thought, everything became clear.
"So, the fragment of the Realm Tower that my old friend entrusted to me back then was indeed a piece of it. A time flow of over three hundred times should correspond to the Realm Tower's three hundredth floor or so."
"Giving a fragment of the Realm Tower to Kun'er does not violate my old friend's promise."
"Holy Emperor, back then, your Realm Tower was shattered by the Fate Compass, and then you and the Ancestor of Tribulation and Fortune vanished inexplicably!"
"What exactly happened that even a Hunyuan Realm expert like you could disappear without a trace?"
"Alas, I wonder if I will ever see the truth in this lifetime!"
He sighed deeply.
Meanwhile.
Lin Yu also received the Realm Tower fragment from Ming Kun.
This fragment had a time flow ratio of one-to-one with the outside world.
Back when Ming Kun was just born, he had lived within this secret realm.
At the time, Lin Yu had been envious. He never expected this fragment to be part of the Realm Tower.
"Interesting!"
"It seems that Ming Kun's growth in this realm back then already sowed the seeds of karma!"
"This fragment rightfully belongs to me!"
"Merge!"
Taking out the Realm Tower, he gently brought the fragment together. It merged seamlessly, as if it were destined.
From then on, the Realm Tower had eight floors, though there was a large gap between the seventh and eighth floors.
"This fragment corresponds to the Realm Tower's three hundred and sixty-fifth floor!"
"From now on, the time flow will be at most one-to-one."
"Cultivating experts within the Realm Tower is most suitable."
After collecting the Realm Tower, he instructed Lin Fan to select some talented individuals and give them opportunities in the future, such as cultivating for a thousand years within the Realm Tower while only a thousand days passed outside.
Lin Yu did not rest after collecting the Realm Tower.
He had his avatars simultaneously transport the void and search for new Realm Tower fragments.
The Realm Tower had nine hundred million floors!
If he could find the nine hundred millionth floor, the time flow would be astronomically fast.
..................
Time flowed by.
A hundred years passed in the blink of an eye.
"One hundred years have passed!"
"The results are quite good. I have found over three hundred Realm Tower fragments, with the highest reaching the nine hundredth floor."
"Unfortunately, the upgrade points are still insufficient to reach the Hunyuan Realm. However, I can upgrade my talent avatars."
As he was about to upgrade his talent avatars, Lin Rong suddenly returned.
Lin Rong had been out for over a hundred years.
"Big Brother, I'm back!" he said, bringing the scholar with him.
The scholar had since broken through to the late stage of Da Luo. While not a top-tier expert in the Blue Star void, it was a qualitative leap compared to his initial early stage of Da Luo.
Upon their return, they were also stunned by the current state of Blue Star.
When they had left, Blue Star was still small, not even comparable to the Immortal Void. But now, the Immortal Void was less than a speck of dust compared to the Blue Star void. In fact, the former Immortal Void was not even as large as a single world in the Three Rings.
"Alas, after so many years away, I never expected Blue Star to change so much that I can barely recognize it!" the scholar exclaimed.
Lin Yu smiled and asked, "Why have you returned?"
Lin Rong replied, "Big Brother, these are the void coordinates we found over the years!"
Lin Yu collected them and transmitted them to his avatars, ordering the giants to bring them back.
"You must have discovered something to return, right?" Lin Yu probed.
Lin Rong nodded and smiled, "Big Brother knows me best. I discovered a peculiar place!"
"Tell me about it in detail!"
Lin Rong explained, "We kept walking in one direction for an unknown duration. After many years, we reached a patch of pitch-black void."
"It was a dead void, filled with deathly aura, with souls scattered everywhere."
"I suspect it's a fragment of the Underworld!"
Upon hearing this, Lin Yu eagerly asked, "Where is it?"
"The coordinates are here!" he pointed to a spot in the void.
Lin Yu nodded and said, "I will send a powerful expert to investigate. Did you alert them?"
"Of course not. I took a glance and retreated immediately."
"Understood!"
If it truly was a fragment of the Underworld, then things would become very interesting.
The Underworld!
Even a fragment of it would be incredibly precious.
After all, the current Underworld was hidden in an unknown location. Even the avatar of the Heavenly Son of the Underworld did not know its whereabouts.
While he could contact the Underworld, even if he were physically within it, he wouldn't know its coordinates, as if it were constantly changing.
Since he couldn't obtain the known Underworld, he was determined to acquire this "wild" fragment of the Underworld.
With the existence of the Underworld, his Blue Star could form its own system and possess reincarnation!
"The Underworld, I will obtain it!" he declared silently.
Lin Rong nodded and said, "Big Brother, shall we go and see it now? If it's truly a fragment of the Underworld, then Blue Star will have a part of its reincarnation function. The souls of deceased beings will no longer need to go to the current Underworld; we can establish our own system."
This was a fragment of the Underworld!
It was known that the current Underworld was more mysterious than the Heavenly Realm.
Because the current Underworld possessed most of the functions of the complete Underworld, it could maintain the balance of life and death across realms.
However, the Underworld's coordinates were constantly changing, and Lin Yu had no idea where it was.
Furthermore, the smaller fragments of the Underworld were also lost to obscurity. If he could possess a fragment now and gain a portion of the Underworld's functions, Blue Star would undoubtedly become even more powerful.
"To avoid any unforeseen circumstances, let's depart immediately," Lin Yu said.
"Alright!"
As they were about to leave, Lin Yu looked at the scholar behind him and said, "Fellow Daoist, you need not accompany us. This journey is fraught with danger..."
He didn't finish his sentence, but the scholar understood that his cultivation was too low to be of much help.
He smiled and said, "Alright, I will wait on Blue Star for your good news!"
"It's best that you understand. Let's go!"
The two departed from Blue Star.
Blue Star had already entered its established trajectory, and the reach of his avatars had become vast.
In essence, the region where the Emperor Star was once located was now within the operational range of his avatars.
However, the region where the Underworld fragment was located was even more distant.
Even though he was leaving, his avatars would remain and protect Blue Star.
However, Blue Star was now a Hunyuan Realm, which meant Lin Fan was also at the Hunyuan Realm.
While he himself could not venture too far from Blue Star, he could still operate within the void.
With Lin Fan protecting Blue Star, he had no need to worry, and the protection was even more comprehensive than that provided by his avatars.
Furthermore, there were tens of millions of Da Luo experts in the Blue Star void. As long as demons and monsters did not attack, Blue Star would face no issues.