The young man in blue continued, "Even if it's just a thread of the Imperial Extreme Heaven Tower's projection, it's not something that this deity can open. That's why this deity has been searching for top-notch Qi-refining cultivators who can enter the seventh floor to retrieve an item for this deity."

  By now, Qin Lingyun had understood the plan of the young man in green. The Huang Ji Tower could only be entered by Qi Refining stage cultivators and it would only open once every fifty years. The young man in green needed something from the seventh floor.

  "What's the challenge of Huangji Fengtian Tower all about? Is the seventh floor really that hard to climb?"

  Since the young man in green had paid such a great price, it was likely that the seventh floor of the Imperial Extreme Heaven Tower would not be easy to climb.

  The young man in blue clothes smiled slightly: "The Imperial Extreme Heaven Tower is both an opportunity and a challenge. Inside, there are many unpredictable dangers, and the scene inside will change every time. Those who can reach the fifth floor are already rare, and in tens of thousands of years, fewer than ten cultivators have been able to climb to the seventh floor."

  Qin Lingyun smiled bitterly: "Senior also overestimates me, in tens of thousands of years, there are less than ten cultivators who have ascended to the seventh floor, what virtue do I have to ascend to the seventh floor?"

  Qin Lingyun indeed had no confidence, she was never a genius character, since her cultivation began, she had struggled back from the brink of death multiple times, and it wasn't easy to reach her current level of cultivation. While alchemy could aid in reaching certain levels of cultivation, mastering those spells required her own diligent practice and wasn't something that came easily.

  Compared with those truly talented individuals, her cultivation methods and techniques were not at an advantage. In tens of thousands of years, only a few geniuses had entered the seventh level, and she didn't think she was one of them.

  The young man in blue said: "But I have great confidence in you, what others can't do, you will definitely be able to do"

  Seeing the young man in green say that, Qin Lingyun knew that she had no use saying anything else. The young man in green had made up his mind to let her enter the Huangji Fengtian Tower for a challenge.

  "I'll try my best to do it..." Qin Lingyun said.

  The young man in blue clothes suddenly turned serious: "It's not about trying our best, but we must succeed in entering the seventh floor. The challenge of the Huangji Fentian Tower is to cultivate a new generation of genius cultivators. The higher the level you reach, the greater your future potential will be. So, entering the seventh floor is extremely important for both you and me."

  Qin Lingyun didn't dare to refute anything else, the moment the young man in green clothes' expression turned serious, he had an unrefutable superior aura, and his whole body was filled with a majestic air that ordinary green clothes couldn't cover up.

  "He must be a powerful figure with great authority, and I don't know what he needs from the seventh floor." Qin Lingyun thought to herself.

  "The seventh layer's specific scene can't be calculated, but the thing I need is definitely among them. It's a broken black iron block, and nothing can be seen on its dark surface. Put it in your storage bag and bring it out, and our transaction will be complete."

  The young man in green described the specific size and shape of the black iron piece, after Qin Lingyun firmly remembered it in her heart, she began to cultivate.

  She needs to cultivate the Yellow Spring Wheel Reversal Technique in an extremely yin place to the realm of twelve layers of Dantian, and then refine the foundation-building pill for later use. After this trip to the tower, she will take the foundation-building pill again to enter the impact foundation period.

  The years of cultivation passed day by day, and Qin Lingyun's Yellow Spring Reincarnation Technique also accumulated more and more. Originally, the nine-layered Qi Refining cultivation was growing rapidly, perhaps because she had already cultivated one type of spiritual power to the 12th layer of Qi Refining, another type of dark spiritual root that complemented it was cultivated at a shocking speed.

  From the 9th to the 12th layer of Qi Refining, each layer only took three days, and in less than a month, Qin Lingyun had successfully opened up twelve acupoints, shining with dark yellow Spring Spirit power near the Dark Spirit Root.

  "Finally reached the 12th layer of Qi Refining and achieved a major breakthrough."

  Qin Lingyun felt that both spiritual powers had already reached a limit, and she vaguely touched the threshold of the foundation period. She felt that in the void, there was a large black door floating, as long as the door was blasted open, it would be possible to successfully break through the obstacles and enter the foundation period.

  But now, without the help of Zhū Jī Dān, she only has a 30% chance of breaking through that door. Even with the help of Zhū Jī Dān, her chances are only 50%. There is still a 50% chance that the foundation will fail and she will be devoured by the heart demon and die.

  The cost of failing to break through the boundary is cruel, and the path of cultivation has no retreat. Taking a step back often means falling into an abyss, either immediate death or the best case scenario is that the spiritual realm will fall back several layers, and there will be no chance of progress for life.

  So before the period of building a foundation through impact, one must be extremely cautious and wait until the timing is ripe before seeking to make a breakthrough. If the timing is not right, then one cannot force an impact.

  "Should we refine the Foundation Establishment Pill now?" Qin Lingyun couldn't help but hesitate.

  Her most important secret was the emerald jade hairpin in her mind, and the secrets of blood were also interrelated. If she refined the elixir here, she might expose her own secret.

  Qin Lingyun believed that although the young man in green could easily see the Ice Spirit Root, Dark Spirit Root and her cultivation methods within her body, he would definitely not detect the existence of the Emerald Jade Hairpin.

  Seeing Qin Lingyun's hesitant appearance, the young man in green clothes misunderstood and said: "Are you worried about the Ding Sheng foundation period? You don't have to worry about this at all. As long as you can get that piece of black iron debris, the foundation pill is not a problem."

  The young man in green promised that after Qin Lingyu obtained the black iron fragment, he would give her the foundation-building pill. However, Qin Lingyu was unwilling to place her hopes on someone else.

  "The material for the foundation is still short of one flavor, Yuan Yang Xin Huang Cao. This medicinal herb auction house often has auctions, and when the time comes, prepare enough spirit stones to bid, don't put your hopes on this mysterious green-robed man."

  Qin Lingyun's mind stirred slightly, but on the surface, she smiled sweetly: "Then thank you, senior."

  "There's only one day left to challenge the Imperial Extreme Heaven Tower, I'll take you there now."

  The young man in blue robes waved his hand, and a five-colored divine light flashed by, cutting out a rift in the air. He then wrapped Qin Lingyun in his sleeve and entered the rift.

  Qin Lingyun had not yet reacted when she entered a void where there was no direction, no distinction between up and down or left and right, all was pitch black.

  "There's an unusual danger inside the spatial crack, stick closely with me and don't wander off randomly." The youth in green warned.

  Nor did he know how long he had been walking in the void, and on the way, the dark surroundings would occasionally flash various light gray gas vortexes. The young man in green clothes cautiously avoided the vortexes and didn't dare to get close.

  "They are all vortexes of evil spirits condensed from the fragmentation of space, and once you get caught in them, it's very likely that you'll encounter unforeseen dangers, extremely perilous."

  The young man in blue dodged some fragmented space-time vortex and then drew a single stroke in the air with his finger.

  A crack appeared in the dark, revealing a glimmer of light. "This is it." The young man in green and Qin Lingyun walked into the crack.

  Qin Lingyun's eyes lit up, and she found herself in a small valley, with occasional flashes of light flying overhead, but no one noticed her and the young man in green.

  "So many cultivators are rushing to the location of the Huangji Sealing Heaven Tower?" Qin Lingyun's eyes sparkled slightly.

  "This is a grand event for the entire Grand Moon Star, not just the Tianxuan Realm, but also the Xi Yue Realm cultivators, as well as the demon tribes from the mountains and seas will all come." The young man in green said.

  "Will the cultivators of Moon Realm also come?" For a moment, Qin Lingyun thought of the Great Wei Kingdom, her hometown, where her relatives were still living in the Qin family village, and she had not returned for many years.

  "What? You're interested in the cultivators of Moonlit Realm?" The young man in green clothes said.

  Qin Lingyun thought for a moment and ultimately didn't say that she was from Xi Yue Realm.

  The young man in blue said, "We'll hurry over too. This time the Huangji Sealing Heaven Tower has appeared on the surface of Luan Yue Island. This place is already very close to Luan Yue Island, and with your speed, it will take at most a few hours to fly there."

  Qin Lingyun turned her head and said: "Isn't it faster for Senior Brother to take me flying over?"

  The young man in green said, "This time I won't show up myself. You go by yourself. If you encounter danger outside the tower, I'll appear." After speaking, the young man's body suddenly disappeared from Qin Lingyun's sight.

  "It's too profound, I simply can't grasp his true strength. Has he already surpassed the Realm of Transcendence and entered the Realm of Void Immortals?" Qin Lingyun shook her head, thinking to herself: "Regardless of which realm it is, it's not something I can currently comprehend. For now, it's better to follow his words and challenge the Imperial Extreme Heaven Tower. Hopefully, I can reach the seventh floor and find that piece of black iron debris; otherwise, if he sees that I haven't obtained what he wants, he might become angry and turn against me."

  Qin Lingyun activated her Cold Ice Spiritual Power, and with a flash of light, she enveloped herself in it, advancing towards the direction of the many cultivators.

  Due to the continuous arrival of masters, Qin Lingyun alone seemed very insignificant. Moreover, she had sealed off a layer of her cultivation, making it seem like she was only at the 11th level of Qi Refining, which made her even less noticeable.

  After flying for a while, the mountains below had been left far behind, and now below was the vast blue sea.

  The vast ocean stretches endlessly, and with many cultivators following, Qin Lingyun soon saw an island. The surging auspicious aura rose from the island, piercing through the clouds, and could be seen clearly from a distance.

  As the island approached, there were more cultivators, and many demons were also rushing along. None of the first-class demon beasts had transformed, so they were all protected by one or several third-class demon beasts. These demon beasts looked ferocious and terrifying, but on the road, they hadn't clashed with human cultivators yet, because their goals were the same. If they fought here, they might miss the opening of the Huangji Sealing Heaven Tower.

  Qin Lingyun flew rapidly, and she saw on the island a giant nine-story pagoda about 100 zhang high emitting soaring rays of light, while outside the pagoda were scattered groups of three to five cultivators.

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