In childhood, they yearned to save the world. In youth, they longed for fame. In adulthood, they desired to conquer the world.
Their hearts changed constantly, and the power they acquired grew stronger.
The eventual result was that they became demons in this world.
"Demons that harm the common folk."
"I annihilated them all here, and only then did I discuss with a friend to jointly create this Sword Heart Art."
"Do you understand its deeper meaning?"
Chi Yuan gazed at Ye Chang'an, who remained silent, unable to speak.
The few simple sentences seemed ordinary, but upon deeper thought, they were terrifying.
Because Ye Chang'an remembered a skin for Chi Yuan, no, a skin for Chi Ling.
Chi Ling: Sword and Fire, and a recolored version, Chi Ling: Fire and Sword.
This skin had a distinct battlefield soldier style and belonged to the character [Chi Ling].
Although it was obtained through an extra event, if one considered Fu Hua's long life, it seemed to hold a different kind of significance.
Chi Ling was Hua's character image from the early Current Civilization, designed by Cang Xuan Dan Zhu and her sister. She used it for a long time.
If what Chi Yuan just said truly happened, it must have been during Chi Ling's era.
Cang Xuan Dan Zhu and Ji Lin died in the battle against Chi You. Chi Ling regretted that she couldn't reach them in time and subsequently resolved to use [Divine Sound] to cultivate strong individuals to protect the world.
However, these individuals were blinded by power, each going their own way and plunging the world into chaos.
Xia, Shang, Zhou, Qin, Han – it was likely between Shang and Zhou.
And between Shang and Zhou, there was the legendary Battle of the Investiture of the Gods.
Good heavens, the clues suddenly connected.
People of the Shang and Zhou eras adapted to Destruction through [Divine Sound] and gained power. They were then blinded by this power and attempted to deify themselves, causing great chaos and suffering for the people.
Chi Ling stepped in and eliminated all these fools who were corrupted by inner demons. Afterward, she learned from the painful experience and transformed [Divine Sound] into the Sword Heart Art.
"To practice martial arts, one must first temper their mind, is that what you mean?" Ye Chang'an replied, and Chi Yuan nodded in approval.
"You are very intelligent."
By the standards of an eight-year-old, this was indeed very intelligent.
But Ye Chang'an was not an eight-year-old and was indifferent to such praise. He only frowned and asked, "So you won't let Chang'an Melody replace the Sword Heart Art, will you?"
The answer was already obvious.
Chang'an Melody was indeed more suitable for cultivation than the Sword Heart Art, but it was too suitable.
Because Chang'an Melody had no restrictions, its use for cultivation would likely trigger another Battle of the Investiture of the Gods.
"If you can impose restrictions on Chang'an Melody, then replacing it is acceptable."
"..." Ye Chang'an was speechless, stumped by the matter.
He couldn't even modify Chang'an Melody, let alone restrict it.
Yet, without restrictions, history would repeat itself. Chi Yuan would never make such a mistake again.
"...Can I do it?"
Ye Chang'an was lost, not very confident.
"You can." Chi Yuan patted his shoulder, offering encouragement. "In you, I see a reflection of Eden."
"She could do it, and so can you. Moreover, I will help you."
Chi Yuan genuinely wanted to help Ye Chang'an achieve this, because Chang'an Melody could make the sparks of this era shine even brighter.
This was something the Sword Heart Art could not do.
But the current Chang'an Melody was indeed too dangerous to be disseminated.
"..." I will work hard to achieve it." Ye Chang'an took a deep breath and accepted the challenge. He then said earnestly, "After I succeed, Immortal Chi Yuan, I would like to ask you to shatter the Sword Heart and cultivate Chang'an Melody instead."
Chang'an Melody needed to change, and Immortal Chi Yuan needed to change as well.
Her Sword Heart made her even more dangerous than Chang'an Melody.
So, even at the risk of cracking his skull, Ye Chang'an had to say this.
"Agreed!" Chi Yuan replied.
PS: This is the origin of the Sword Heart Art. As for what the Sword Heart is, that will be discussed in the next chapter.
Chapter of Tai Xu - Section 1: 9. I F***ing Got an Arbiter Core
"However... I also have one matter for which I need your guarantee."
Chi Yuan's tone shifted, her gaze sharpening as she fixed on Ye Chang'an.
"Please, Immortal, speak."
"I want you to understand your true heart, lest you stray from the path. Otherwise, I will cut you down."
Just as Ye Chang'an found Chi Yuan dangerous, Chi Yuan also found Ye Chang'an very dangerous.
After all, he was too young, and the Chang'an Melody was too powerful.
If he were to go astray as he grew, the entire world might be destroyed by him.
So Chi Yuan laid out the harsh truth upfront, serving as a warning to Ye Chang'an.
However, Ye Chang'an didn't take it to heart, nodding as he replied, "I already understand my true heart and will not stray from the path."
"And what is this true heart of yours?"
"Music."
Ye Chang'an said with a smile. Chi Yuan was silent for a moment before also breaking into a smile.
"That is for the best."
She could tell Ye Chang'an wasn't lying.
The heavy topic concluded, and Chi Yuan, strolling with Ye Chang'an across the battlefield from thousands of years ago, casually mentioned, "Would you like to know how Divine Sound came to be?"
She wished to recount the past, and Ye Chang'an naturally wanted to hear it.
So she began, speaking in the style of ancient scholars, while Ye Chang'an, through reverse deduction, pieced together the origins of Divine Sound.
This happened after Hua's successful Super-Variable Factor Experiment.
Mobius, drawing from her successful experience, proposed the possibility that "the human body can adapt to super-variable factors under the guidance of consciousness." This then led to the Divine Sound Experiment.
However, the initiator was too busy with the fusion warrior experiments and couldn't spare the time, so she had Mei lead the project.
Two assistants were involved: Eden and Aponia.
Eden's music could induce relaxation, making it suitable for the Divine Sound Experiment, which was intended for hypnotic therapy.
Aponia's commandments, on the other hand, influenced the human subconscious.
Thus, Eden composed the first version of Divine Sound, and Aponia used her commandments to hum the tune for hypnosis.
Many people underwent the Divine Sound Experiment, but everyone except Hua developed various mental issues.
Due to the intense wartime situation, once the Divine Sound Experiment achieved a successful case, there was no more time for in-depth exploration.
As a result, the initial syllables of Divine Sound were carried over to the Current Civilization, where Chi Yuan later modified them into the Sword Heart Art.
"..." Ye Chang'an was momentarily speechless. After a pause, he finally spoke, "Immortal Chi Yuan, do you remember the original Divine Sound?"
"I do," Chi Yuan nodded and recited the original Divine Sound.
She recited it, not sang it.
Ye Chang'an tidied it up slightly and hummed it softly.
"..." Chi Yuan stopped walking, looking at him with astonished eyes.
The melody he hummed was exactly the same as when Eden had hummed it.
"Immortal Chi Yuan, was my humming correct?"
"...Extremely correct, to an unbelievable degree," Chi Yuan affirmed, her expression complex.
"You and Eden are truly alike," she continued as they walked.
"Perhaps," Ye Chang'an sighed, a hint of sadness in his voice.
"Regarding the matter of placing restrictions on the Chang'an Melody, do you have any leads?" Chi Yuan's question interrupted his melancholy. He shook his head.
"Not yet."
"Take your time, you still have plenty of it," Chi Yuan said without pressure. She then recounted her past discussions with a friend about jointly creating the Sword Heart Art, hoping to offer Ye Chang'an some reference.
The original Divine Sound had only 108 notes, while the Sword Heart Art had 462. These additional notes were created by that friend.
"At that time, I hoped that cultivators would cultivate their minds before cultivating their bodies. If inner demons arose, their entire cultivation would be rendered futile.
For humans, this is incredibly difficult to achieve.
After all, even if the mind is corrupted, the physical strength gained through cultivation would not be significantly diminished.
Therefore, this was almost an impossible task."
"But this item gave us inspiration and led us to a solution."
As Chi Yuan spoke, she opened her palm, revealing a feather.
"This is called Feather Dust. It was made from the core of a powerful demon from ancient times who was skilled in manipulating minds, retaining some of that demon's power from its life."
Feather Dust, the eighth God Key, made from the Herrscher of Knowledge's core.
Ye Chang'an knew of this item, making Chi Yuan's introduction somewhat redundant.
The catalyst for the Divine Sound's transformation into the Sword Heart Art, however, was intrinsically linked to Feather Dust.
"Through this item's effect, a cultivator's memories regarding the method of manipulating true qi can be concentrated and sealed, with the sealed object being the Sword Heart.
By solidifying the Sword Heart as a form of mental imprint within the Sea of Consciousness, one can obtain the method of using true qi upon refining it.
Once the Sword Heart shatters, this portion of memory will be lost, rendering the user unable to wield true qi."
"(⊙o⊙)..." Ye Chang'an was dumbfounded.
It felt incredible, yet also perfectly logical.
After all, Feather Dust did possess the ability to delete and add memories.
Chi Ling integrated her techniques for using Destruction energy into the Sword Heart, akin to inherited memories. Upon refining the Sword Heart, one could automatically acquire and utilize Destruction energy.
If the Sword Heart shattered, this part of the memory would be lost, and even subsequent related memories learned would disappear along with the Sword Heart's destruction.
This was because the Sword Heart acted like a magnet, specifically absorbing this type of memory.
By utilizing the Herrscher of Knowledge Authority to forge the Sword Heart, control over the Divine Sound was achieved.
Truly genius.
"So those extra syllables are the essence of the Sword Heart?" Ye Chang'an asked curiously, believing he understood.
But Chi Yuan glanced at him and shook her head.
"Not precisely.
The extra syllables were my friend's analysis of Feather Dust's power, and in essence, they are a part of Feather Dust's strength.
The essence of the Sword Heart, however, is simply one's true heart."
"What? True heart?" Ye Chang'an was astonished.
"Yes, the true heart, or one could say, a person's unwavering will."
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