Ten thousand I am across the heavens

Before the Ghostly Demon Lord personally cultivated the technique, he merely observed its components. He couldn't discern the technique's ingenuity, much like a complex mathematical formula or a sophisticated engine—before it starts running, even with some mathematical or mechanical knowledge, one might not grasp its subtlety. But once these things are in operation, even those not experts in their fields can appreciate their unparalleled ingenuity.

The Ghostly Demon Lord was a prime example. This small, deadly move itself wasn't particularly powerful; while it was indeed excellent, it was practically useless to him. After all, at his level, he rarely faced opponents of human size in close-quarters combat within the realm of conventional physics. Even without his strength, his sheer physical power was enough to lift mountains. Various hand-to-hand combat techniques were largely ineffective at their stage. Most of the time, there was no real, bone-crunching exchange; it was just a matter of punches and kicks, resulting in both sides being propelled away like cannonballs by the immense recoil.

The current technique is only really useful when you're around level three, but the way it works is so ingenious that it's like looking at a work of art.

It's like the ancients discovering a Stirling engine. The engine itself might have very limited power, far less than that of an ox, but even with the knowledge of the ancients, after carefully observing its mechanical structure during operation, they could realize that it was a machine so exquisite it could be called an art.

That's how the Ghostly Demon Lord felt right now. He felt as if some powerful expert at the peak of the Wisdom Path had gone mad and wasted their precious energy on such a small thing. The result was something exquisitely crafted, but actually useless.

"As you can see, this is the ultimate weapon of the future, but it's just the most basic one among them. It doesn't even rank among the top in its class."

Don't think that developing a killer move to such a sophisticated level is a waste of manpower. Because future productivity will develop to a level you can't even imagine. The manpower and resources spent developing the killer move we have now will be utterly insignificant to people of that era.

The Ghostly Demon Lord instinctively wanted to refute. While the killing move before him was simple, its execution required at least the level of a Wise Dao Gu Immortal and several months of practice. How could it be as insignificant as he claimed?

"You've already said it yourself, that you're just from 10 years in the future. Let me ask you this: the human race has dominated the world for over 300 million years. Yet, in these 300 million years, the development of the Sand Continent has only improved slightly compared to its initial state. Although the earliest Qi Dao has declined somewhat, as you and I both know, the top Qi Dao experts are still the same as the Primordial Immortal Venerable from 300 million years ago—they are still the top-tier experts in the first tier."

"With such a long period of time, the killer move hasn't undergone any qualitative change. How can you expect me to believe that a mere 10 years could allow us to develop at a rate hundreds or thousands of times faster?"

“You’re right. This exquisite killing move was not something that could be achieved little by little over 10 years. Nor was the strength of the human race accumulated slowly over 10 years.”

The former Ghost Demon Lord frowned upon hearing this. He had long suspected that this guy who claimed to be his future self was lying to him, but what he said next left him speechless, as if he had heard the most absurd thing in the world.

"Because these complex and varied killing moves did not evolve over such a long period of time, but have developed to the point you see in just a short hundred years."

I know very well that no matter how I describe it, it will be difficult to gain your trust. Because people simply cannot imagine things beyond their own comprehension. I am your future self, so I understand even more how stubborn I am now.

"But that's alright. For me right now, how I came up with these killing moves isn't important. As long as I can use them and it's proven harmless, there's probably nothing to worry about. How about this? There are plenty of test subjects here. I'll teach you each of my killing moves one by one, and then you can have the mortals here practice them, one by one. Once they've mastered them and confirmed they're harmless, then you can learn them yourself, okay?"

"Ha? Even if it's proven that there's no harm, what good would it do me to learn it? The truly useful killing techniques for me are all immortal killing techniques. How could these mortals possibly verify them for me?"

"That's not true. The killer moves of the future are far more sophisticated than you can imagine. Even if they are just killer moves made from ordinary Gu, they will be enough to greatly increase your strength."

If you still don't believe me, after you've learned these mortal killing techniques, go and capture an immortal, force him to learn the immortal killing techniques I'll teach you. But remember, you must always have a backup plan. Once your opponent learns the first-stage killing techniques I teach you, you must ensure you can kill them instantly.

Because the person who learns that move will be very strong, so strong that while you could easily capture them before, they can easily dominate you after learning it.

Upon hearing this, the past Ghostly Demon Lord finally became somewhat tempted. He knew, of course, how vast the gap was in the future version of himself. If capturing someone alive was easy, and other sixth-rank cultivators might not be able to directly confront a seventh-rank cultivator, then adding another layer to that gap would definitely place him among the top experts of the seventh rank. What kind of killing move could bring such a huge improvement in the instant it was learned?
Even with the inherent risks, the Ghostly Demon Lord felt it was worth the risk. Capturing a scapegoat to test his immortal killing techniques was already the safest strategy.

"Judging from your expression, you're already tempted. To tell you the truth, the instant boost in combat power from this killer move is merely its most insignificant application. It's a killer move primarily used for production and construction, and its impact on personal combat power is less than one ten-thousandth of its effect in the field of production and construction."

Once you've learned it, you can gradually build up your strength. Becoming the ninth Venerable in history will then be just around the corner.

Although the thoughts of the future ghost only carried a portion of conceptual memories of the future, with most of the content erased, it still retained its clear understanding and confidence in the future.

However, it was precisely because his memories were incomplete that his past self always harbored suspicions about him.

[To be continued]

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