Qin Heng sat cross-legged by the Ice and Fire Spring, slowly closed his eyes, and let his spiritual energy sink into his body to begin self-reflection.

The seven spirit rings were slowly rotating, and the light of the first six spirit rings paled in comparison to the seventh.

The 180,000-year-old blood-red soul ring floated on the outermost layer like a blood moon, radiating a magnificent and profound light.

The surface of the spirit ring is covered with fine golden patterns, which are the traces left after the source of the Asura God Power was integrated into it. Each pattern contains unimaginable terrifying power.

Qin Heng carefully sensed the changes in his soul power, and after a moment, the corners of his mouth turned up slightly.

This 180,000-year-old seventh spirit ring not only brought his martial spirit true body to an unimaginable level of strength, but also directly pushed his spirit power level from level 70 to level 73, breaking through three levels in a row.

It's important to understand that each level after the Soul Saint realm requires a massive accumulation of soul power. For an ordinary Soul Master, it would be impossible to go from level 70 to level 73 without years of hard work.

However, he crossed this chasm directly during the absorption of a spirit ring.

However, compared to the improvement of his soul power, there was something else that Qin Heng cared about more.

He opened his eyes and looked down at the Asura Armor covering his body.

On the surface of the silver-based armor, the previously obscure and blurry patterns have become incredibly clear, with each line seemingly coming to life and slowly moving across the armor's surface.

An unprecedented sense of power surged from the depths of the armor, resonating with the soul power within his body.

With all the functions of the Shura Armor finally unlocked, Qin Heng's mind was flooded with complete information about the Shura Armor.

At this point, the Shura Armor was able to open a spacetime portal, allowing the wearer to travel between the past and the future up to ten thousand years in the past.

Qin Heng carefully sensed the specific rules of time travel, his eyebrows slightly raised.

With his current soul power level, he can indeed open a time-space channel, but there are also many limitations. Whether he goes to the past or the future, he must stay on that timeline for at least a year before he can open the time-space channel again to return.

He currently does not possess the Soul Spirit Technique.

Although Xiao Wu has agreed to cooperate, a complete contract technique is needed to truly transform a 100,000-year-old soul beast into a soul spirit.

This secret technique does not exist in this world. Only by going to the Douluo Continent II era, ten thousand years later, and intercepting Electrolux, can this secret technique be completed.

However, Qin Heng was not in a hurry to set off.

He stood up and said to the Lion Douluo who was still in a daze in the distance, "Grandpa Lion, I'm going back to Heaven Dou City first. Please continue to guard this place."

Lion Douluo quickly cupped his hands in greeting: "Yes, you go ahead! I'll take care of things here!"

Qin Heng nodded, and with a flash, he transformed into a streak of light and soared into the sky, flying swiftly towards the direction of Tiandou City.

With his level 73 soul power surging and flowing within his body, his speed while manipulating gravity to fly was several times faster than when he arrived, and he traversed a distance of several hundred miles in less than an hour.

As night fell and the lights of Tiandou City came on, Qin Heng did not return to the Martial Soul Temple. Instead, he concealed his aura and silently sneaked into the Tiandou Imperial Palace.

With his current mental strength, avoiding the ordinary guards in the palace would be a piece of cake.

He moved through the palace walls like a ghost and soon arrived at the Crown Prince's residence.

At this moment, Qian Renxue, disguised as Xue Qinghe, was reviewing memorials in the study.

Hearing a soft creak coming from the window, she looked up, a hint of surprise flashing in her purple eyes.

"Xiao Heng? What brings you here?"

Qin Heng climbed inside, casually closed the window, and said with a smile, "I've broken through to Soul Saint and am preparing to return to Martial Soul City. Do you want to come along?"

Qian Renxue put down the memorial in her hand and raised an eyebrow slightly: "Back to Wuhun City?"

"Yes." Qin Heng sat down opposite her, his tone casual. "You haven't seen your grandfather in a long time either, have you? Why don't we go back together?"

Upon hearing this, a flicker of interest flashed in Qian Renxue's purple eyes. She had indeed not seen her grandfather for a long time.

Since she infiltrated the Heaven Dou Empire disguised as Xue Qinghe, she has had very few opportunities to return to Wuhun City. The last time she saw Qian Daoliu was a year and a half ago.

"Alright." Qian Renxue nodded, a slight smile playing on her lips. "I really do miss Grandpa. When are we leaving?"

"Now."

Qian Renxue rolled her eyes but did not refuse. She gave a few simple instructions to the maid, then changed into casual clothes and quietly left the palace with Qin Heng.

The two traveled through the night and arrived at Wuhun City the following evening.

The city of Wuhun remains majestic and magnificent, with the golden domes of the Papal Palace and the Hall of Worship shining brightly in the setting sun.

Qian Renxue and Qin Heng went straight to the Hall of Offerings. Before they even entered, a white figure came out to greet them.

Qian Daoliu, this level 99 Limit Douluo, the invincible Angel Douluo in the sky, is now just an ordinary old man who is looking forward to his granddaughter's return home.

He was dressed in a plain white robe, his long golden hair was neatly combed, and the moment he saw Qian Renxue, his usually stern and sharp eyes were filled with love and joy.

"Xue'er!" Qian Daoliu strode forward, pulled Qian Renxue into his arms, looked her up and down, a hint of heartache flashing in his eyes, "You've lost weight. Are the affairs of the Heaven Dou Empire too heavy?"

Qian Renxue rarely showed such a girlish side in front of her grandfather. She took Qian Daoliu's arm and laughed, "Grandpa, I'm not thin at all! It's you who looks thinner. Have you not been eating properly again?"

"Nonsense, how could Grandpa be like you?" Qian Daoliu put on a stern face, but the loving expression in his eyes and brows could not be hidden.

The grandfather and grandson cuddled for a while before Qian Daoliu noticed Qin Heng standing to the side. He nodded slightly and said, "Little Heng is back too! Oh? Your cultivation has already reached the Soul Saint level?"

Qin Heng smiled and nodded, saying, "Thanks to Grandpa Qian, things went relatively smoothly."

The three entered the offering hall, and after taking their seats, they exchanged a few pleasantries.

Seeing that the time was right, Qin Heng interjected, asking, "Grandpa Qian, what's the current state of the Spirit Hall's research on the level one to six soul tool manufacturing technology that I brought back from that place last time?"

Upon hearing this, Qian Daoliu smiled with satisfaction. He stroked his beard and said slowly, "I was just about to tell you about this. The blueprints and manufacturing techniques for the soul tools you brought back were immediately studied by the elite soul masters of the Hall of Worship and the Papal Hall."

Initially, progress was slow, as soul tools were a completely new concept to the mainland, and many basic concepts needed to be learned from scratch.

He paused for a moment, then continued, "However, during the time you left the Spirit Hall to promote the 'Basic General Version of Meridian Cultivation Method,' the research finally made a breakthrough."

Several talented young people were the first to grasp the basic principles of soul tools and began attempting to create level-one soul tools. Among them, the one who made the most progress was Bibi Dong's disciple, the girl named Hu Liena.

Qin Heng raised an eyebrow: "Hu Liena?"

"That's right." Qian Daoliu nodded, a hint of admiration flashing in his eyes. "That girl's talent in soul tools is quite amazing."

While others were still figuring out how to make level-one soul tools, she had already begun experimenting with level-two soul tools. Now, more than a year later, she is the only person in the entire Spirit Hall capable of independently making level-four soul tools.

Level 4 Soul Guidance Device.

A hint of surprise flashed in Qin Heng's eyes.

To be honest, he never had a good impression of Hu Liena, the treacherous woman in the original novel.

In the original novel, she betrayed the Spirit Hall for Tang San, causing her teacher Bibi Dong to lose two 10-year spirit rings, making her a typical love-struck person.

Qin Heng had no prior contact with her and had a very bad impression of her. He never expected that she would have such outstanding talent in soul tools.

In less than three years, he went from having no experience to being able to independently make level four soul tools. Even in the Douluo Continent II era, this talent would definitely be considered genius.

It is important to know that the production of soul tools involves a series of complex processes such as burning soul power circuits, designing core magic arrays, and material proportioning. Each level requires extremely strong comprehension and practical ability.

But Qin Heng thought about it again. Hu Liena was also a mental-type Soul Master. Mental-type Soul Masters had some advantages in Soul Tool making. If he considered it from this perspective, it wouldn't be surprising that she could make such rapid progress.

"Interesting." Qin Heng's lips curled up slightly, and his opinion of Hu Liena changed somewhat.

Although her love-obsessed nature is a headache, she has indeed made contributions to the Spirit Hall in terms of soul tool research.

After confirming that the Spirit Hall could currently only produce level four soul tools, Qin Heng felt more confident.

This time, when he travels to the second era of Douluo Continent ten thousand years in the future, he needs to focus on collecting blueprints for level 5 and above soul tools, as well as the corresponding core array theories. Only in this way can the Spirit Hall's research on soul tools continue to advance.

Two days later, Qin Heng and Qian Renxue bid farewell to Qian Daoliu and returned to Tiandou City together.

Qian Daoliu stood at the entrance of the ancestral hall, watching his granddaughter's figure disappear at the end of the street corner. A trace of reluctance flashed across his aged face, but it was quickly replaced by determination.

Xue'er has her own things to do, and he has his own things to do; this is not the time for romance.

After returning to Tiandou City, Qian Renxue threw herself back into the Crown Prince's affairs, while Qin Heng set off again, heading alone to the Ice and Fire Yin-Yang Well.

The location where the spacetime tunnel opens depends on the spatial coordinates recorded by the Shura Armor last time.

Wherever the portal is opened, you will appear in that location when traveling to other timelines, and you will also appear in the location where the portal was opened when returning from other timelines.

The Ice and Fire Yin-Yang Well is a stronghold of the Spirit Hall, guarded by Title Douluos year-round, making it the safest option.

At the same time, we can also take advantage of the future Ice and Fire Yin-Yang Eyes. Why not?

Qin Heng stood by the spring of the Ice and Fire Yin-Yang Well and took a deep breath.

"Asura Armor Combination".

After the armor was fully assembled, Qin Heng had a thought, and his seventh spirit ring suddenly lit up, its blood-red light dyeing the entire valley crimson.

"Martial Soul True Body!" Under the effect of the Martial Soul True Body, Qin Heng's body transformed into a dark red stream of light, and all the patterns on the Asura Armor lit up. A powerful force of spacetime surged out from the depths of the armor.

Before Qin Heng, space began to distort violently, and a dark red vortex slowly took shape.

Within the vortex, countless lights and shadows swirled rapidly, as if millions of years had rushed and flowed within it.

Qin Heng glanced back at the familiar valley one last time, then leaped into the time tunnel without hesitation.

The dark red vortex slowly closed behind him, and the valley returned to calm, as if nothing had happened.

A sudden dizziness.

Qin Heng felt as if his body was being gripped by an invisible giant hand, being tossed and turned in the endless darkness.

The spatial and temporal forces surging from all directions crashed against his body like a raging storm. Even with the Asura Armor protecting him, he still felt dizzy.

After an unknown amount of time, Qin Heng finally felt the earth beneath his feet and could no longer feel its presence.

He steadied himself and slowly opened his eyes.

Before my eyes was a familiar interplay of red and blue light, with blazing fire springs and icy cold springs flowing clearly in front of me, and the air filled with a rich, almost tangible, primordial energy of heaven and earth.

The Yin-Yang Well of Ice and Fire still lies quietly in this secluded valley after ten thousand years, as if the passage of time has never left any trace here.

Qin Heng looked around, his gaze sweeping over the lush, verdant herbs and medicinal plants in the valley.

When he last came here, the fragrant and beautiful fairy was courting death, so Qin Heng personally killed her, sealed her body and soul ring, and took her back ten thousand years, making her his sixth soul ring.

On that occasion, he also managed to force out a wisp of divine thought that Tang San had left in the Yin-Yang Well.

Now that Tang San has set foot on this land again, his divine sense has indeed vanished without a trace.

That makes sense. A mere wisp of divine thought, once forced out, lost its foundation and could only dissipate on its own.

Now, this treasure trove is completely undefended for him.

Qin Heng's lips curled slightly as he strode into the depths of the valley.

His gaze swept over the various immortal herbs, setting aside those that could transform him into a 100,000-year-old soul beast.

The rare and precious plants, such as the Qirong Tongtian Chrysanthemum, the Eight-Petaled Fairy Orchid, and the Cockscomb Phoenix Sunflower, are all rare treasures that are hard to find elsewhere. If any one of them were to fall into the wrong hands, it would be enough to cause a bloodbath.

Qin Heng bent down and began to plunder the immortal herbs that had not yet developed sentience.

He carefully picked each precious herb and categorized them, storing them in his storage soul tool.

After looting, Qin Heng straightened up, glanced at the few trembling Spirit Wisdom Herbs, chuckled, and turned to walk out of the valley.

He did not intend to exterminate them.

Once he masters the art of spirit cultivation, these immortal herbs that have developed sentience will be excellent candidates for spirit companions.

Plant-type spirit beasts are inherently gentle and have a much higher willingness to sign a spirit contract with a spirit master than animal-type spirit beasts.

Moreover, these immortal herbs have grown in the Yin-Yang Well of Ice and Fire for tens of thousands of years. The medicinal power and the vast amount of heaven and earth energy contained within them are enough to make them top-level soul spirits. Killing them now would be a complete waste of their resources.

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