The subtle change in the Tian Tianling was a record of Zhao Di's time to pass through the checkpoint. He had to complete this narrow passage within twelve hours and enter the second layer of the Grand Hall, otherwise, the Tian Tianling would automatically activate at the full twelve hours, causing him to end his journey in the Tian Tian Tower with no gain.

  Zhao Di, who was well aware of this matter from Feng Qingyun, didn't waste any time and set off at a quick pace!

  Just one step out, Zhao Di felt the gravity transmitted from under his feet, and this passage indeed had a space-time prohibition set up.

  "This Luo Wan Xiang Formation is indeed the number one formation of the ancient times, it's truly profound and unmatched!" You Ruo exclaimed sincerely, "This formation itself has many changes, but what's more, it can also be combined with other various formations. With this great formation as the core, setting up all sorts of formations around it, it can evolve into endless variations."

  Zhao Di knew very little about the formation, although he had also seen that this passage was a transformation of the formation law, and it was quite mysterious. However, there was no more information to discuss or communicate with You Ruo.

  This seemingly bottomless channel, after walking quickly for several miles in Zhao's land, actually appeared at the end.

  Strictly speaking, this is not the end, but a huge boulder blocking the passage.

  The first level of the test has appeared, and this level tests the attacking power of the cultivator. If the attack is too weak and cannot break through the giant stone blocking the way in a short period of time, it will be impossible to reach the end of the passage and enter the next level.

  Zhao Di drew out the Meng Li sword without hesitation, and swung it casually at the giant stone. The purple sword seemed to cut through tofu as it easily sliced the giant stone into countless fragments. Then Zhao Di continued forward from the gap that had been cut open.

  His Dream Crystal Sword was mixed with Xuanfeng Jin and other precious materials, making it extremely sharp. Therefore, he was confident that this pass should not be a problem for him.

  Not far away, another huge stone, exactly the same as the previous one, blocked the passage again.

  Zhao Di still used his Meng Li sword, cutting it open with each stroke of the sword.

  "Huh!" Zhao Di exclaimed: "This stone has hardened a lot, the Dream Rui sword can still cut it but it's obviously very laborious, and only by using the Sword Tip Technique can it be done with ease."

  "These stones should all be formed by the law array, and their own material is nothing, just the different attached array powers are different, and their defensive capabilities are also different!" You Ruo picked up a small piece of gravel, squeezed it hard, and the gravel changed into a few points of spiritual light that disappeared.

  "The light walls around this passage are also activated by the formation, and it seems that their defensive power is even stronger!" Youlan gently stroked the light wall that was flowing with a gorgeous deep yellow glow.

  "You're right, this is a certain ancient grand array that's renowned for its defensive power. It's derived from the Tian Luo Wan Xiang Array and is fundamentally impossible for a Foundation Establishment cultivator to break through. Perhaps even a Nascent Soul cultivator can't do it!"

  "The name of the first great formation of the ancient times - Tian Luo Wan Xiang Formation is so big, it's really formidable!" You Lan exclaimed.

  "It's not just that, the Tian Luo Wan Xiang formation is the most complex among all recorded formations. The monks who set up this Tongtian Tower can actually master it and display infinite wonders. This person's cultivation in formations is truly unimaginable!" You Yu's face was filled with admiration and reverence.

  The two sisters were discussing tactics when Meng Li finally managed to split open a gap in the stone blocks, allowing one person to pass through.

  The three of them quickly walked forward.

  At the same time, in each of the hundreds of passageways on every level, cultivators were making their way through the trials.

  The total opening time of Tongtian Tower is only seven days and nights at most, even if the monks who stay in the main hall without going through the levels will be transmitted out after more than a dozen hours. Once there is no monk in Tongtian Tower, it will close immediately and disappear into the Star Sea. Therefore, the monks would not waste time in the main hall, each choosing a gate to enter and start their journey.

  In a certain dimly lit passageway, the great Han Zhang Beichen was holding a magnificent long whip treasure and striking with force at a wooden wall in front of him. Every time he swung his long whip, it would produce a deafening sound like an earthquake, and the wooden wall would often split open after being struck by the long whip.

  With a few loud cracks, after Zhang Beichen swung his whip three to five times, the wooden wall, which was over three feet thick, finally had a large hole smashed open by his magic treasure. The big man then panted and walked through the opening.

  In a silver light flashing corridor, an old man with a pale face was directing a giant zombie about ten feet tall holding a huge hammer to smash against a silver wall, making a dull "thud" sound. Every time the hammer hit the wall, it made a shallow pit of about one foot in diameter on the silver wall.

  But if it goes on like this, I'm afraid that within one or two hours, this silver wall will not be able to be broken. The old man saw this, and with a wave of his large sleeve, a gray-white gas floated out, and two more zombies floated out, carrying big knives and axes, joining the ranks of those attacking the wall.

  In a white jade paved path, it was the middle-aged Taoist named Autumn Intent, who used an extremely ordinary small sword treasure to cut through a smooth jade wall in front of him with great difficulty. He had two powerful treasures on his hands, but unfortunately, neither of them were primarily used for direct destructive power, so he appeared particularly struggling at this pass, and his heart was even more depressed.

  Zhao Di and You Lan, You Ruo encountered a large stone blocking their path for the third time after walking several miles.

  Zhao Diyun raised his Dream Lure Sword and stabbed it fiercely into the giant stone.

  With a "poof" sound, the purple sword, with its blade about a foot long, stabbed into the giant stone, but only half of the sword's body entered.

  Zhao Di and the two women were shocked, they knew how powerful the material of the Dream Luminous Sword was, but even so, it only managed to pierce less than two feet deep with a strong thrust! It can be seen that the defensive power of this giant stone is astonishing!

  With such a powerful defense, if he still slashes wildly with the Dream Crystal Sword like the last two times, I'm afraid it would take at least five or six hours to slash out an opening big enough, and it would definitely consume a lot of spiritual energy and physical strength. What's even more frightening is that Zhao Di doesn't know if there will be a fourth giant stone ahead!

  There were two viable options in front of Zhao: one was to use the Hunyuan divine light in conjunction with the giant sword technique, and also rely on the sharpness of the Mengli sword, which could break through the stone in a relatively short period of time. However, this would inevitably consume a large amount of spiritual energy.

  The road behind may still be very long, Zhao Di needs to save his strength, so he simply chose the second road.

  "Hide!" Zhao Di said to the two women, as he shook his sleeve and five or six puppets stood in a row in the corridor. It wasn't that he didn't want to summon more puppets, it was just that this place was really too narrow, and only these few puppets could be used at one time.

  Next, Zhao Di had these puppets continuously strike the giant stone with various attacks such as golden knives, fire pillars, and blue blades, while he and the two women hid far away, quietly observing.

  If one of the puppet spirits runs out of energy, Zhao Di will go forward to replace it with a spirit stone and then continue to hide in the distance. This place is too narrow, if the distance is too close, it's hard to avoid being affected by some rebound attacks.

  Relying on the capital of not being heartbroken about the Ling Stone, after a while, these puppets finally blasted a hole of three or four feet in diameter in the giant stone, barely allowing Zhao to pass through.

  Zhao Di picked up the puppet and the two girls, and with a light tap of his foot, they flew horizontally through the hole.

  Sure, here is the translation:

  As expected, after continuing to walk in the passage for a while, he encountered the fourth giant stone again.

  "Great Sword Technique!" Zhao Di shouted, wanting to test his skills in swordsmanship. The Dream Crystal Sword transformed into a two or three zhang long sword, emitting a faint purple glow. Against the backdrop of this narrow passageway, it looked even more enormous.

  The purple giant sword chopped down on the boulder with great force, its momentum was quite astonishing. However, after a loud "boom", only a stone block about the size of a foot dropped from the boulder.

  Zhao Di was speechless.

  It's not that he thinks his attack power is insufficient, but rather the opposite. He has considerable confidence in the attack power of his innate treasure, it's just that this stone's defense is simply too strong.

  It's just the first level, yet it's so difficult. He has a heavy burden and is still like this. What about those cultivators who don't have powerful attack methods? Won't they be returning empty-handed from the very first layer?!

  That wind and cloud just faintly said that the first test is attacking power, and never mentioned it would be so powerful.

  Or is it because everyone's experiences and trials are different, so there are differences?

  In fact, Zhao Di's idea was not wrong. In the past trips to Tongtian Tower, many of the cultivators who came seeking fame and obtained the Tongtian Order were in the later stages of their cultivation, and some had even been famous for a long time. It can be said that these cultivators were among the most elite of the Star Sea's Golden Elixir stage, but every time, no less than two-thirds of them couldn't even pass the first layer!

  Zhaodi could only continue reluctantly, sending out a few more puppets before hiding to the side and watching the commotion. He thought to himself, if there was still a fifth giant stone, he would have no choice but to take action personally and use the Mixed Yuan Divine Light!

  A puppet wielding a high-quality spiritual tool has an attack power comparable to that of a Foundation Establishment stage cultivator. With Zhao's deployment of seven or eight puppets, it was equivalent to having seven or eight Foundation Establishment stage cultivators simultaneously and continuously launching a fierce barrage. However, even with such intense attacks, it took two hours to finally blast out another hole over three feet in diameter.

  Zhao Dixin roughly estimated that without an extremely sharp means or the attacking power of four or five Foundation Establishment cultivators, it would be absolutely impossible to walk out of this first layer tunnel.

  In other words, any cultivator who can break through this level has an individual attack power that surpasses the combined strength of four or five ordinary Foundation Establishment cultivators.

  After passing through the hole in the fourth giant stone, Zhao Di walked for a short while in the passage when suddenly the passage changed and an upward staircase appeared.

  Zhao Di walked along the stairs for a while, and suddenly found himself in another grand hall.

  Finally arrived at the second floor, Zhao Di thought it would be easy and let out a gentle sigh of relief.

  The second floor of the Tongtian Tower is still round, smaller than the first floor by one circle, with a diameter of only a few miles. The four walls are still surrounded by arches, with hundreds of them. Some of the arches have already disappeared, it seems that some cultivators have arrived here before him and entered the difficult passageway of the second floor.

  Apart from this, in the middle of the great hall, there is a wooden frame three or four zhang high, with tens of layers of dense and empty grid cells.

  Zhao Di knew that each of these cells originally contained some treasures. Any cultivator who passed the first trial could use the Tian Kun Order in their hand to unlock the seal on one of the cells and obtain the treasure inside, but they could only open one cell.

  Although there are over a thousand cells here, the Tongtian Tower has been open for tens of thousands of years, and the total number of monks who have come to the second floor is already in the thousands, so there is not even one treasure left here.

  Just as Zhao Di was about to walk towards one of the archways, a white light flashed and a woman in a high bun appeared. Although her face was covered with a white veil, Zhao Di recognized at a glance that it was Lin Zihuan, the fairy of Taiyi Sect.

  Zhao Di was also wearing a black hood at this time, and Lin Zi Hang would not recognize him. However, his cultivation was clearly in the middle of the Golden Elixir stage, which surprised the woman greatly.

  "Hehe, you have reached the middle stage of your cultivation in the Golden Elixir Realm and yet you were able to break through to the second floor of this Tower of Heaven before I did. It seems that your abilities are far from ordinary! There aren't many cultivators like you with such strength at the middle stage in the Starry Sea, but you don't seem to be any of them. If you weren't wearing a conical hat, it's clear that you wouldn't want to reveal your identity, otherwise I would have asked for your name!" Lin Zihuan said with a smile, her voice as crisp and pleasant as the song of an oriole.

  "Not bad! Even if the fairy asked, I wouldn't say it!" Zhao Di croaked in a hoarse voice, coldly saying, then turned around and stepped into an archway. A flash of white light, and the archway disappeared from the wall.

  "What a boring guy!" After Zhao Di left, Lin Zihuan muttered with a slightly pursed mouth: "This person's voice is obviously disguised, but from all aspects, it doesn't seem like Zhang Beichen's disguise either. Besides Zhang Beichen, Xingchen Hai actually has a strong Dan-stage cultivator, I'll report back to the sect's brothers when I return to Penglai Immortal Island."

  Lin Zihuang searched through the cultivators of the Condensing Dan period that she had an impression of in her mind, and after not having any special guesses, she also lightly twisted her waist and walked into a vaulted gate with a gentle and elegant demeanor.

  In a certain passageway on the first floor, a middle-aged Taoist was holding a blue-glazed glass piano treasure in his hand, standing in front of a clean white jade disc for a long time, with a look of helplessness and depression.

  In another golden passageway, a young-looking Yuan Ziyun was using a conical magic treasure to emit thumb-thick electric arcs that continuously struck the golden light screen in front of him. At this point, he had been casting spells for over an hour, and beads of sweat as big as soybeans were seeping out from his forehead, clearly exerting himself greatly.

  After several hours, no one had passed the first floor. In frustration and depression, they were either actively or passively transported out of the Tower of Heaven, reappearing in various sea areas thousands of miles away from the tower.

  Zhao Di and others have already entered the second layer of cultivation, and are experiencing even more dangerous trials.

  In previous attempts at the Tower of Heaven, the probability of a cultivator falling was less than 10%, but almost all deaths occurred on this floor.

  （）