And the second line of defense was formidable: it was still a Quantum Entanglement device.

Everyone immediately broke into a sweat. Damn it, it was the exact same device.

The Blade Warrior was a bit embarrassed; it seemed that she had anticipated the looks on everyone's faces earlier, but to be fair, quantum entanglement is indeed the only safeguard humanity has in technology so far. Sister Dao isn't a deity, she can't conjure up that many inventions; this Time Machine was the result of wasting quite a lot of experiences.

The reason why it's called a double safeguard is based on the principle of entanglement strength. She set an entanglement transmission point in Sky City, which is where everyone is standing right now. This move could to some extent prevent unexpected occurrences from collisions with external quantum forces—maybe the chance of such accidents is less than one in ten thousand, but the theory of multiple spacetimes cannot be measured by existing physics, so she must be fully prepared.

The next transmission point was set in the area with the highest population flow—the Maraca Free Trade Center.

The collision of quantum theory may entail unpredictable and varying possibilities. Since the physical rules of multiple spaces possess different potentials from this universe, we cannot overlook potential dangers. Hence, when we literally say double safeguards, what we mean in actuality is putting great emphasis on the possibilities regarding the strength of entanglement.

The trial flight is divided into two stages.

First stage: Trial flight.

Second stage: Feng Yi's timeline dimension.

"Feng Yi's spacetime dimension..." Sky Shadow muttered to himself, voicing a question everyone wanted to know: "How should we understand this statement?"

"This is easy to explain; it's Feng Yi's age timeline. To my knowledge, Feng Yi is divided into four stages, namely… First stage: the youth Feng Yi, during which he was still growing up on Colonial Planet 103, and his personal strength was spread between Rank 3 and Rank 1."

Indeed, the people present weren't strangers to Feng Yi. Even though Feng Yi enjoys a top-secret national identity status, it wasn't a secret for those present.

The Blade Warrior continued: "Second stage, his soldier period. During his soldier phase, Feng Yi was between the mid-phase of First-Order and the limit of First-Order. In terms of individual combat prowess, he was stronger than Yita and about on par with Miss Mengdie, though of course, he was much slower than her."

Mengdie's almond eyes widened, she blinked her perky eyelashes, and her gaze held a deep allure...

Yet Sky Shadow and Kexiao were secretly shocked. It was Sky Shadow who spoke out again, somewhat unwillingly: "Impossible, you're saying that Feng Yi was in the mid-phase of First-Order during his soldier period; he couldn't possibly have grown so quickly."

But the Blade Warrior flatly denied Sky Shadow's statement. After all, his contact with Feng Yi had been far longer than Sky Shadow's and he understood him much more. The fact of the matter was as is. For this reason, the Blade Warrior even suggested that Sky Shadow check the relevant documents about Feng Yi with the Federal Government.

It could be said that as soon as Feng Yi first stepped into Wind Thunder Military Academy, he had a head-on fight with the world-famous mercenary Franklin. Franklin was a fallen mercenary with the strength of mid-phase First-Order. In that battle, Feng Yi did not hold a distinct advantage and was injured. From this, it could be inferred that Feng Yi was possibly in the same realm as Franklin at the time, the mid-phase of First-Order.

Sky Shadow was startled... How many years had it been since he joined the military to now, and yet he had already progressed from the mid-phase of First-Order to his current level, 'Damn it! Feng Yi, you truly are a combat genius.' Sky Shadow didn't show it on his face, but inwardly he cursed resentfully.

"Third stage, Feng Yi in the Legendary Realm. I think everyone might feel a bit unfamiliar with this stage of Feng Yi."

"I'm indeed aware of the existence of this realm for Feng Yi, where his combat index had increased tenfold," Roland spoke out.

"Yes. During this period, Feng Yi had already served many years in the military, had liberated Mardis, and led the resistance alliance against Saudi, enjoying considerable prestige within the ranks. His combat power surged tenfold during the eruption stage; in that era, he should have been the strongest among you. His dark energy field, even during the eruption phase, was far more powerful than 'Bizarre' itself."

Half-awake, the portly man rolled countless times on the ground, but simply couldn't fall asleep. As he listened, he awoke and interjected, "What about Feng Yi in the fourth phase?"

"The fourth phase is the extraordinary Feng Yi during the Rhythm stage, having awakened the Third Mystery. This is a god-like suppression ability, hence I call it the Divine Wind Realm."

"Divine Wind Realm, miss, it turns out you have chuunibyou too, you better get that treated."

"Is it chuunibyou? It seems you still don't understand how terrifying Feng Yi was during that period."

Kexiao and Sky Shadow fell into deep thought, both desperately wanting to know from the Blade Warrior what made Feng Yi different during that time.

The Blade Warrior said, "At this time, Feng Yi was no longer solely focused on the pursuit of combat itself. The condition of his body led him to realize many things, be it emotional ties or stations in life. He might have already let go of much. When I asked him, he also once summarized his current state with four lines: 'Without self, there lies the true self; without thoughts, there lies the contemplation; without emotion, there lies true feeling; without searching, there lies the pursuit.' These are the words once spoken by Feng Yi, and I have not forgotten them."

"But what do these four lines have to do with Feng Yi's stages of existence?"

"Well asked. These four lines reflect Feng Yi's understanding of combat, his enlightenment about life, it's a type of philosophy. Even Roland would not dare to claim to reach the same realm as Rhythm-stage Feng Yi—I can't describe this state well, but one explanation is that when your understanding of a certain matter reaches its peak, the reflection that emerges is the philosophical opposite. Feng Yi, through the Rhythm Realm, could thoroughly penetrate and integrate with the cosmic rules, achieving a significant unity with them. What is reflected is..."

The Blade Warrior looked at everyone, his voice growing more impassioned, "Any mysterious arts that defy physics are invalid in front of Feng Yi."

The gaze then turned to Mengdie, "For example, Miss Mengdie's skillful use of the Gale Technique or the Thousand Leaves Green Vine are useless in front of Rhythm-period Feng Yi. To a certain extent, Feng Yi has merged with the universe itself. I believe the same theory applies to 'Bizarre'."

The Blade Warrior's voice caused everyone to have an epiphany; that is, in the presence of Rhythm-period Feng Yi, 'Bizarre' itself does not stand, under the oppression of the cosmic law of gravity, any form of existence must adhere to physical logic, otherwise it will be purged by the rules. Antimatter is the best proof of this, as its manifestation is the opposite of regular particles. When antimatter exists, matter and antimatter must collide until one side is completely annihilated. With current human technology, we are unable to effectively store antimatter, as for the antimatter propulsion at Dragon Gate space station, it is nothing more than temporary extraction for propulsion. This is due to the restrictions of cosmic rules. The reason why Bizarre's physical form emerges is precisely because it evades cosmic rules to sneak into our world. However, the universe is dead, whereas Feng Yi is alive.

"Unfortunately, there is no reversal of time in this world, nor does a second Feng Yi exist."

Hearing her say this, everyone's hearts felt unavoidably heavy. Indeed, Feng Yi is unique, with neither the Flame Dual Slash nor the Third Rhythm reproducible.

"So we attempt to pursue Feng Yi from other dimensions through parallel universes, which places stringent demands on the timeline."

The Blade Warrior noncommittally nodded to Kexiao's words, hence why pursuing Feng Yi on the timeline is the second great challenge.

"Yita, let's begin, everyone please step back, we're about to perform a time-travel test flight."

"Aren't we all getting on it?"

Of course not, the Blade Warrior gave the portly man a disdainful look. The test flight prioritizes safety; the craft is equipped with a return initiator device. Under the effect of a quantum reaction, it may return after 5 minutes, or it may remain forever stranded in the space-time tunnel. Taking this step requires great courage; naturally, repeated trials are necessary.

Once everyone had stepped far away, Yita lightly tapped the remote control device, and a burst of light immediately erupted from around the machine…

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