After more than a dozen days of exploration, Qin Lingyun had already roughly grasped this kind of ancient thin golden font, so she couldn't wait to take out that book.

  But on closer inspection, I couldn't help but feel greatly disappointed.

  "It's really deceiving people to death, I didn't expect that the contents were just some ancient literati's poems and lyrics, what's the use of this?" Qin Lingyun fiercely threw the book on the ground, a hint of anger flashing in her eyes.

  I studied the ancient art of calligraphy with such solemnity, originally thinking it would bring great fortune, but instead found it to be just a farce, and the indignation in my heart is truly unavoidable.

  But since it's already come to this, Qin Lingyun could only admit that she was out of luck, and there was no other way.

  Just as she was sighing, the pure black spiral filament inside her body, also one of the four top-notch spiritual roots - the Dark Spiritual Root, slowly condensed a small cluster of black mist on its surface. The book that Qin Lingyun had thrown to the ground not far away actually floated up slowly.

  The book suddenly lit up with a faint black flame, and under this eerie black flame, the entire book burned rapidly.

  The Star Emperor's eyes flickered with surprise: "This is the Hellfire of Purgatory, do you still remember the black flames in the Absolute Heaven Valley?"

  Qin Lingyun of course knew what the Hellfire was, and to say that Mei Han's three friends had died from its burning. This strange flame could directly burn the soul, and if the yuan Shen was destroyed, it would be equivalent to being completely annihilated from this world. In other words, this hellfire was a flame that could directly attack the yuan Shen, but it did not harm the physical body at all.

  Looking at the books that were burning, Qin Lingyun thought of many inexplicable things: "How did those books produce hellfire on their own? And isn't hellfire only effective against the primordial spirit? Why can it burn the pages?"

  Xingdi thought for a moment and said, "It's very likely that this Hellfire has undergone some variation, so it can burn the pages of the book. As for why it can suddenly appear out of thin air, I also can't judge, we can only wait and see."

  Qin Lingyun had no better way, she could only wait patiently. The flames of hell on the book burned for more than two hours before they finally burned out the entire book, and there was still one page floating in the air, this page was completely black in color, not a single word was written on it.

  Qin Lingyun flipped through this book without seeing this page at all, and it should be in the sandwich layer.

  Under the burning of the hellfire, this black page floats in the air, without any signs of burning. Then, the hellfire actually slowly shrinks towards the black page.

  Very soon, all the Hellfire flames retracted into the black pages. Only then did Qin Lingyun finally breathe a sigh of relief. This Hellfire was really too terrifying, and she didn't dare to touch it at all. According to Xingdi's words, even foundation-building cultivators who encountered Hellfire might suffer heavy losses. This flame that burned the divine soul seemed to be unstoppable.

  Unless there are direct protective spells and treasures for the origin soul, otherwise it will definitely die.

  Qin Lingyun was just secretly letting out a breath of relief when the black page that was floating in mid-air suddenly rushed towards her at an extremely fast speed, like lightning, and in an instant it had entered her body.

  Qin Lingyun's face changed slightly, and she immediately closed her eyes to introspect. She saw a black piece, slightly larger than a fingernail, floating above the dark spiritual root, extremely strange and inexplicable.

  "Impossible! This black page has invaded my body, if it spits out the hellfire that I've absorbed, my primordial spirit will probably die!" Although her heart was filled with anxiety, Qin Lingyun had no way to deal with this situation. She tried using her spiritual power to envelop the black page.

  The black page hadn't even been approached yet, but the cold ice spiritual energy had inexplicably dissipated. The Dark Spirit Root seemed to have a spirit of its own as it released a thread of discontent towards Qin Lingyu's consciousness, as if the cold ice spiritual energy had invaded its territory.

  Qin Lingyun was truly stunned at this moment. Could it be that the spiritual root of this cultivator also had spirituality? She had never heard of such a thing before.

  Qin Lingyun thought for a moment and decided not to tell Xingdi about this matter. She secretly smiled bitterly in her heart: "I didn't expect that I would find myself a huge hidden trouble, this black page stays in my body, who knows when it will erupt."

  The black page stopped steadily on the Dark Spirit Root, and then it shook slightly. A cluster of black light flew quickly along the meridian towards Qin Lingyun's mind.

  Qin Lingyun hastily gathered her icy spiritual energy to block the black light's path, but it was impossible to completely seal it off.

  The black light easily broke through the cold ice spiritual power, and came to the brain with ease. Qin Lingyun only felt a dizziness in her mind, countless ancient characters flew into her consciousness, continuously and endlessly. By the time the black light completely disappeared, Qin Lingyun's mind had an additional large piece of text.

  This ancient font is exactly the ancient thin gold body, Qin Lingyun can come out just right.

  After a cursory glance, Qin Lingyun's face became radiant, and it turned out that this was actually an extremely abstruse cultivation mantra called the Yellow Spring Wheel Reversal Mantra. However, it wasn't the complete Yellow Spring Wheel Reversal Mantra, but rather the cultivation methods for the Refining Qi stage and the Establishing Foundation stage.

  What delighted Qin Lingyun the most was that this Yellow Spring Wheel Rebirth Technique was actually a cultivation technique for cultivating Dark Spirit Roots. Although it didn't specify what level of technique it was, judging from the complexity of the technique, it must be a top-notch cultivation method.

  At this time, Xingdi's slightly anxious voice came from her ear: "What happened?"

  Qin Ling's eyes lightly opened, and her face bore an irrepressible joy: "Just now I obtained a mantra called the Yellow Spring Wheel Reversal Mantra, which is precisely the mantra for cultivating the Dark Spirit Root."

  Xingdi was taken aback, and then a hint of a smile appeared at the corner of his mouth: "Your aura is indeed very powerful. This Yellow Spring Wheel Rebirth Technique, the name sounds quite strange, even I haven't heard of such a technique before. It should be a pretty good technique."

  Qin Lingyun sighed and said, "It's just that the cultivation method is too strange. At first, you have to find a place with extreme yin energy, then during the Qi Refining stage, each layer must open up a Yellow Spring inner aperture in the body, absorbing the extreme yin energy and transforming it into Yellow Spring power within the body. The difficulty is extremely high."

  "In the Valley of Venomous Snakes, isn't there a place with extremely yin energy? Let's go there to cultivate when the time comes."

  "Let's talk about it after I've cultivated my Qi to the 12th level, for now, I'd better focus on my closed-door training." Qin Lingyun stood up and stretched her body, starting to exercise according to the movements of the Ice Crystal Magic Body. Cultivating her physique couldn't be delayed either. During the spare time when she was taking elixirs to boost her cultivation, she would practice the Ice Crystal Magic Body, which complemented each other and allowed for more efficient absorption of the medicinal effects.

  Qin Lingyun planned to return to the cave to cultivate when she reached the 12th layer of Qi Refining. She had no choice but to go back, as her two spiritual roots, Yin and Yang, were complementary and indispensable to each other. Therefore, she must also cultivate the Dark Spiritual Root's mantra to the 12th layer of Qi Refining.

  Only when the two types of Fa Gong merge into one in the twelve layers of Lian Qi can one enter the foundation-building period. This increases the difficulty of cultivation, but it also greatly enhances combat effectiveness. It's a case of gains and losses.

  Time passed step by step, and Qin Lingyun had been in closed retreat in this building for a year. On this day, her spiritual power finally broke through the obstruction of an acupuncture point, and a faint blue cold air lingered outside her body. She slightly opened her mouth, and a stream of cold air burst out, transforming into a piece of crystal snowflake that floated in the air.

  "Finally, I've reached the 10th layer of Qi Refining. The Qingui Dan has lost its effect, it seems I need to take the Yijing Dan now." Qin Lingyun had full confidence in advancing to the 12th layer of Qi Refining, but she had some worries about cultivating the Huangquan Wheel Reversal Technique. Cultivating this strange technique seemed impossible through taking elixirs, as it didn't absorb ordinary spiritual energy, but rather extreme yin energy. Without an extremely yin environment, it was basically impossible to successfully cultivate it.

  Qin Lingyun never thought that she would have such an unusual spiritual root when she first opened her second spiritual root. If it were a normal five-element spiritual root or an ordinary variant spiritual root, she could quickly enhance it with the power of elixirs. But now, it's already like this, and she can't do anything about it.

  This year, the golden beast that had been staying in the spiritual beast bag seemed to have reached a critical moment. Qin Lingyun felt a strong life energy gathering from the large cocoon where the golden beast was transformed, and it seemed that it would soon break out of its shell.

  Qin Lingyun estimated that it would take about half a month to successfully evolve, and in this year, Qin Lingyun had already used up all the remaining True Sun Fire Seeds, so the Seven Star Yang Fire Tripod could not be opened for the time being.

  "It seems that a terrestrial fire-fueled alchemical furnace is needed to refine the Yi Jing Dan."

  Qin Lingyun had tried it before, when she advanced to the 10th layer of Qi Refining, taking Qingkui Dan was no longer effective, as if the medicinal effect had been completely adapted by her body. When she took one dose, the medicinal effect would naturally disappear, leaving nothing behind.

  Qin Lingyun did not continue to waste the Qingkui Dan, but instead shifted her attention to the Yi Jing Dan. The materials for this pill had actually been prepared long ago, but she had never gotten around to refining it.

  "I have no choice but to use the Earth Fire Refining Furnace."

  Qin Lingyun entered the alchemy room, her eyes fixed on the alchemy furnace in the center of the room. This was a three-foot-high alchemy furnace, its entire body a ancient copper color, and it seemed to be forged from hundred-year-old mysterious iron, some refined gold, and bright stone. Its quality was definitely not as good as the Seven Stars Alchemy Furnace, at most only reaching the level of a low-grade spiritual artifact. However, as an alchemy furnace, it was already quite good.

  After breaking through to the tenth layer of Lianqi, Qin Lingyun's spiritual power became much thicker, and both her physical body and yuan Shen were further strengthened, which was naturally obtained during the process of advancing.

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