"Did it tremble?"
Yu Die was surprised. These types of inheritance stars are divided into three types.
There are ninth-rank space inheritance stars, tenth-rank fusion rule inheritance stars, and eleventh-rank fusion rule inheritance stars.
The black planet belongs to the tenth-rank fusion rule inheritance star, only allowing tenth-rank beings to enter.
Besides comprehending the corresponding pillar-level fusion rule, there's also an implicit requirement for the level of life: a higher eleventh-rank being or a lower ninth-rank being would not meet the conditions.
Given the "weight" of a tenth-rank fusion rule inheritance star, if it were outside, even an eleventh-rank powerhouse would not be able to shake it in the slightest.
If it were inside? An attack at the eleventh-rank level might cause an impact, but this involves a paradox.
That is, a tenth-rank fusion rule inheritance star does not allow eleventh-rank beings to enter.
An eleventh-rank being can't enter, and a tenth-rank being is too far from an eleventh-rank being.
In addition, the inheritance space within the inheritance star suppresses other rule fluctuations, only allowing the corresponding fusion rule to operate, rendering all external secret treasures and other means useless—
Which makes each inheritance star extremely stable, not subject to changes due to external forces.
That's why Xia Qin was somewhat surprised.
"Let me take a look."
Yu Die moved her thoughts slightly.
A projection of herself descended outside the black planet.
At the same time.
The time in the region millions of miles around the black planet suddenly began to "reverse."
It was as if a scene originally playing at "normal speed" suddenly began to "rewind."
Time reversal.
A secret technique that any being who has comprehended the time rule can perform.
But even Lin Yuan, when performing time reversal, could only cover an area of tens to hundreds of miles at most.
Anything more would be exhausting, while the time reversal area of Yu Die directly covered millions of miles.
And this was just a negligible projection of Yu Die. As long as she was within the territory of human civilization, under the coverage of the virtual network, she could create as many such projections as she wanted.
"It indeed trembled."
Yu Die nodded slightly. Through time reversal, she also discovered that the black planet had undergone a minor tremor.
"Why is that?"
Xia Qin was a bit surprised.
There are only two possibilities.
One is that something went wrong or unexpectedly within the black planet itself.
The second is that a powerhouse within the inheritance space of the black planet unleashed an eleventh-rank attack, exceeding the black planet's internal tolerance limit, causing the earlier scene.
Let's set aside the first possibility for now.
The second possibility? Currently, there's only Lin Yuan in the inheritance space of the black planet.
In other words, if it's this possibility, then the one who unleashed the eleventh-rank attack was Lin Yuan.
But how is that possible?
If the gap between the eighth and ninth ranks is one, then the gap between the ninth and tenth ranks is a hundred, and between the tenth and eleventh ranks is ten thousand.
To fight across ranks?
At the third, fourth, and fifth ranks, it might be possible by relying on one's bloodline, physique, and secret techniques.
But the higher the rank, the less likely such things happen, until it becomes impossible.
The two strongest ones knew that when Lin Yuan broke through to the tenth rank, he endured the infusion of vast primordial chaos, gaining immense benefits.
But no matter how great the benefits, it doesn't change the fact that Lin Yuan is a tenth-rank being.
Perhaps with Lin Yuan's talent and potential, coupled with the infusion of so much primordial chaos, he could cultivate to the peak of the tenth rank and hope to raise his attack power to the threshold of the eleventh rank.
But how long has it been? Normally, a newly promoted tenth-rank evolver wouldn't have fully familiarized themselves with their massively increased power, yet Lin Yuan's attack power has already reached the threshold of the eleventh rank?
"This little guy..." Yu Die shook her head slightly.
Since the two of them started paying attention to Lin Yuan, the frequency of their astonishment almost matched that of the past millions to tens of millions of years combined.
Human civilization's Star Sea Calendar spans only over two million years, but before the Star Sea Calendar, there were long years of dormancy.
Xia Qin and Yu Die are far more than two million years old; they were born before those long years of dormancy.
Inside the black planet.
In the vast world.
A man in black robes stared blankly at the terrifying scene Lin Yuan had created with one strike.
The power of life and death reincarnation, emitting a terrifying aura, continuously spread out through the holes, distorting and annihilating even space.
"Is this the life and death reincarnation rule you just comprehended?"
The man in black robes was silent for a long time, "At least it's comparable to the second or even third realm of the life and death reincarnation rule."
The man in black robes turned his gaze toward Lin Yuan, who had just unleashed that strike, replaying countless scenes in his mind.
As the spirit of the altar, he had absolute control over this space.
The life and death reincarnation rule that Lin Yuan operated was indeed something he had just comprehended, only at the initial stage of the first realm.
Whether it's a new rule formed by ordinary rule fusion or a new rule formed by pillar-level rule fusion, they are divided into realms from the first to the ninth based on the level of comprehension.
A tenth-rank evolver needs to comprehend at least one pillar-level fusion rule and cultivate it to the second realm to break through to the eleventh rank.
Comprehending rules is extremely difficult, let alone the fusion of rules. If it's a rule originally existing in the universe, one only needs to quietly comprehend the rule fluctuations.
It's like having a path to follow. Although difficult, there's at least an end in sight.
But fusion rules? Fusion rules are created by the strong based on their understanding and the characteristics of different rules.
In the cultivation of fusion rules, each realm is vastly different.
"Why does a first-realm life and death reincarnation rule have such great power?" The man in black robes carefully observed Lin Yuan.
"He hasn't relied on any external force, nor was there any fluctuation of secret treasures or weapons; is it because of his own strength? His physical body and blood are far beyond those of a normal tenth-rank being."
The man in black robes faintly realized something.
The trial in this world doesn't allow the use of any external forces.
But external forces refer to weapons, secret treasures, or higher-level trump cards.
What about one's own strength, like the physical body, soul, heart, and will—is that considered external force?
In the initial rules of the black planet, these weren't considered external forces.
Although Lin Yuan's life and death reincarnation rule was just newly comprehended, at the initial stage of the first realm, his foundation was extraordinarily strong.
It's like the difference between wielding the same blade with a strength of one hundred pounds versus one hundred tons.
The power unleashed is evidently different.
Here, the "blade" refers to the life and death reincarnation rule.
The level of comprehension of the life and death reincarnation rule indeed affects the power of such fusion rules.
But it's also related to the strength of the one who masters this rule.
"Senior, have I passed the trial?" Lin Yuan, after unleashing his full power with one strike, looked at the man in black robes standing not far away and asked.
The man in black robes had instructed him not to hold back, so Lin Yuan naturally didn't hold back. That strike was a full-force effort, pouring all his internal world power, physical strength, and soul power, as well as the third stage of the "Mysterious Emperor Strike," into it.
As for the divine ability "Enhancement"? Lin Yuan didn't use it. If he had activated that divine ability, it wouldn't have been a full-force strike but rather a desperate one.
"According to the rules, you've passed the trial." The man in black robes said in a wooden tone.
The original trial set by the black planet was that Lin Yuan only needed to possess the power of the life and death reincarnation rule at the peak of the first realm to pass.
This is basically the peak a tenth-rank being can reach.
As for the second realm of the life and death reincarnation rule? Once a pillar-level fusion rule is cultivated to the second realm, it quickly crosses into the eleventh rank.
Lin Yuan's life and death reincarnation rule, though only at the initial stage of the first realm in terms of comprehension, had reached the threshold of the third realm in power.
"That's good." A smile appeared on Lin Yuan's face.
The trial inside the black planet wasn't too troublesome; it only required unleashing one strike.
"Through that door lies the ultimate reward on this path." The man in black robes looked at Lin Yuan for a moment before speaking.
Not far away.
A black door appeared at some point.
Compared to the twelve great doors outside, this black door was only five meters high, rather small in size.
"But let me remind you of one thing."
"Any being has only one chance to enter this door. If you come out halfway, even if you pass the trial again, you won't be able to enter."
The man in black robes reminded him.
"Is there any danger inside the door?" Lin Yuan asked tentatively.
"There's no danger." The man in black robes shook his head. He didn't know what was inside the door, but there was indeed no danger.
"Will there be any need for strength inside the door?" Lin Yuan continued to ask.
"Since you've already passed the trial, there's no need for further testing." The man in black robes replied.
"Can I send a projection inside?" Lin Yuan thought for a moment and asked.
A projection is different from a clone. A projection is a vessel formed by a trace of spiritual will gathering cosmic power.
Its strength is far lower than that of the true self or a clone.
Since the man in black robes reminded him that once inside the door, he couldn't come out and then re-enter, Lin Yuan had to be cautious.
"You can." The man in black robes nodded.
"Good." Lin Yuan moved his mind slightly.
A phantom figure condensed in front of him.
Then, after exchanging a glance with Lin Yuan, it stepped into the black door.
"What is this place?" After briefly experiencing darkness, Lin Yuan's projection felt like a fish leaping out of water, finally reaching its destination.
It was a space about several miles in radius.
The left half was filled with the fluctuations of life rules, while the right half was filled with the fluctuations of death rules.
The two rules intertwined, converting into each other, and merging.
The end of life is death; the end of death is life.
The cycle of life and death, unending.
"A guide path for fusion rules?" Lin Yuan's heart surged.
Fusion rules are not like the inherent rules of the universe, which have a general direction.
The comprehension of fusion rules mainly depends on oneself.
But nothing is absolute.
If a being with a comprehension of a fusion rule at the seventh realm is willing to "strip away" their understanding, they can create a guide path like this.
However, a fusion rule at the seventh realm? Even if it's a fusion rule of ordinary rules, the seventh realm is the limit for eleventh-rank beings.
If it's a pillar-level fusion rule at the seventh realm, that's the domain of the strongest ones.
The life and death reincarnation rule in front of him is a pillar-level rule, meaning that the guide path for the life and death reincarnation rule formed here originates from a strongest one who stripped away their understanding of this fusion rule.
This stripping is a permanent one, even for the strongest ones, a considerable sacrifice.
"A guide path for the life and death reincarnation rule up to the fourth realm…" Lin Yuan meditated briefly and came to a conclusion.
A guide path to the fourth realm, meaning Lin Yuan could obtain specific guidance from this path in comprehending the life and death reincarnation rule from the first to the fourth realm.
Depending on the extent of stripping the strongest one underwent, the final guide path would differ.
If it's just a guide path to the second realm, it wouldn't have much impact on the strongest one, who could regain the lost understanding after several thousand years of meditation.
But a guide path to the third realm would significantly impact the strongest one, requiring at least tens of thousands of years to recover.
A guide path to the fourth realm is the limit that a strongest one can recover from. If it's a guide path to the fifth realm, the strongest one who stripped their understanding might have to give up this fusion rule altogether.
"What is the origin of this black planet, that it can make a strongest one pay such a price?" Lin Yuan thought to himself.
No, it's not just one strongest one.
Maybe twelve strongest ones.
Because there are twelve black doors on the black planet.
Each black door corresponds to a different pillar-level fusion rule. Based on the life and death reincarnation rule's guide path that Lin Yuan was currently observing, the final reward behind the other eleven black doors was likely similar.
"Never mind."
"I'll focus on comprehending first."
Lin Yuan gathered his thoughts and immediately began to observe the life and death rules and death rules around him.
After only a brief period of meditation, Lin Yuan felt the bottleneck that had trapped him before dissolve. The life and death reincarnation rule now seemed to him as if it were in a simple mode.
"At my current rate of comprehension, I'll need at most fifty years to elevate the life and death reincarnation rule to the second realm."
Lin Yuan's eyes lit up.
Fifty years? For a tenth-rank evolver, fifty years is fleeting.
A tenth-rank evolver trying to reach the peak of the tenth rank, comprehending a pillar-level fusion rule, might spend countless millennia. Finally, raising the pillar-level fusion rule to the second realm—this bottleneck has trapped many peak tenth-rank evolvers.
Even with Lin Yuan's unrivaled insight, it would have taken him several centuries to elevate the life and death reincarnation rule to the second realm.
But now, it only takes fifty years?
In other words, if Lin Yuan wishes, he could attempt to break through to the eleventh rank in fifty years.
"A great opportunity indeed." Lin Yuan was excited.
The formation of such a guide path for fusion rules involves the realm of the strongest ones. Up to now, Lin Yuan had only heard of such things but had never seen them.
There might be similar opportunities within human civilization, but they would surely require waiting in line.
Take the black planet, for instance; only one being can be in a black door at any given time.
For example, now that Lin Yuan's projection was comprehending the guide path of the life and death reincarnation rule, even if another tenth-rank evolver passed the trial behind the life and death reincarnation rule door, they would have to wait until Lin Yuan finished comprehending before entering.
Milky Way's main star.
Lin Yuan also smiled.
"Fortunately, I sent in a projection."
"Otherwise, if it were a clone, it might be trapped there for quite some time."
Lin Yuan was in a good mood. Even with a complete guide path, it would still take considerable time to elevate the life and death reincarnation rule to the fourth realm.
If it were the Primordial Spirit that entered the door, Lin Yuan reckoned that he wouldn't be able to use this Primordial Spirit's combat power for a long time.
After all, during the period of comprehending the guide path, once one exits, they cannot re-enter. This was a price Lin Yuan couldn't accept.
"Now, with a projection comprehending the life and death reincarnation rule there."
"Both Primordial Spirits can still be used, which is the best outcome."
Lin Yuan pondered for a while and then took out the mysterious gourd, tilting its mouth downward, condensing a drop of purple liquid.
Since stepping into the tenth rank and enduring the infusion of massive primordial chaos, Lin Yuan's physical body, internal world, and soul had all skyrocketed several levels.
As a result, his absorption of the purple liquid inside the mysterious gourd was also rapidly increasing.
It wouldn't be long before he fully absorbed the purple liquid, at which point Lin Yuan's internal world would reach an unprecedented size of 233 million miles in radius.
"Hmm?"
"The Yang Primordial Spirit has already reached the bottom of that permanent space rift?"
While absorbing the purple liquid, Lin Yuan's mind suddenly stirred, and he looked toward a large alien battlefield.
Alien Battlefield No. A098.
Near the central northern region, a thousand-mile-wide permanent space rift stretched across.
At this moment.
A figure silently appeared.
"Permanent space rift?" Lin Yuan looked up at the thousand-mile-wide rift in the sky.
Grayish mist occasionally drifted in, emanating a fluctuation that made Lin Yuan's heart tremble.
The biggest difference between the permanent space rift on a small alien battlefield and the one on a medium-sized alien battlefield is that the permanent space rift on a large alien battlefield, due to its vast tear, can already allow certain things from outside the universe to squeeze in.
For example, the remains of a strongest one that drifted in a hundred years ago did so through such a rift.
Over the long years, many "things" have drifted in through the permanent space rifts on large battlefields, though most are extremely dangerous.
For instance, during the dormancy years recorded in human civilization, an eerie creature squeezed through the permanent space rift on a large battlefield developed by the Insect Race and the Tianyu Race.
This eerie creature nearly brought an irreversible catastrophe to the cosmic starry sky. It took more than ten strongest ones working together to barely banish the eerie creature back outside the universe.
There are many such examples, where nine out of ten times, the "things" that drift through permanent space rifts cause varying degrees of disaster.
"I must be even more careful on a large alien battlefield."
"Besides facing those alien powerhouses, I must constantly be on guard against changes in the permanent space rift."
Lin Yuan's expression was grave.
Then a smile appeared on his face.
Because after arriving at this thousand-mile-wide permanent space rift.
Lin Yuan could already feel the absurdly fast accumulation of boundary-breaking source power.
...