The red light was like a death god wandering in the mortal world, and every unguarded cultivator would be harvested by it, taking away their lives. In the entire Xuan Du City, the originally starry sky suddenly disappeared.

  A dark red sky enveloped the entire Xuan Du City, and those monks who had died of physical decay, their yuan souls wailed in the red light, as if there was a kind of evil power in the red light, the yuan souls twisted in the red light, soon turned into ghosts with single horns on their heads.

  Those awakened monks hastily activated their defensive treasures or cast defensive spells, barely blocking the red light outside, while the tall buildings were all reduced to nothingness in the red light, and the entire Xuan Du City was decaying.

  The red light also spread to the teleportation hall, under Qin Lingyun's eyes, the luxurious walls around him, and the top of the hall with various beautiful murals, all disappeared bit by bit in mid-air, as if delicious food was being eaten away bit by bit.

  In the grand hall, several monks who did not leave were greatly changed in complexion and became flustered. One monk closest to the red light had his arm come into contact with it, immediately letting out a miserable cry as his body rapidly retreated, while the arm that came into contact with the red light was left with only white bones remaining.

  "Immediately activate the Guardian Technique, this is the Red Evil Ghost Fog, it is an evil fog produced by absorbing the power of the earth's yin energy. Wherever it goes, all wooden and stone objects will be devoured as nutrients for the Red Evil Ghost Fog." Star Emperor said solemnly.

  Qin Lingyun didn't hesitate, her fingers pinched a seal, and the outside of her body was already flashing with a faint yellow light, ten shields with dragon and tiger patterns tightly wrapped around her body.

  "Go to the transmission array, now I just hope that the demon way expert won't personally enter the array to kill... Old man will go into the storage bag first." As soon as Xingdi's voice fell, he immediately drilled into the storage bag with a "whoosh", his movements extremely agile.

  "It seems that even Xingdi Zushi is afraid of Hongsha Guiwu." Qin Lingyun said.

  Xingdi's voice directly echoed in Qin Lingyun's mind: "Of course, I'm afraid. If I were to be infected with the Red Evil Ghost Fog, all my rationality would be lost, and soon I would become a Red Evil Vengeful Spirit, killing anyone who is alive, it's really too terrifying."

  Qin Lingyun's eyes also showed a hint of fear. Near the transmission array, about seven or eight cultivators were exhausting their spiritual energy to barely hold back the Red Calamity Ghost Fog. As the Red Calamity Ghost Fog came into contact with their spiritual energy, it made a sizzling sound, like hot iron suddenly plunged into cold water. The Red Calamity Ghost Fog and the spiritual energy continued to mutually erode each other.

  The red evil ghost fog is endless, while the spiritual power of the cultivator has a limit. Some realms can only be maintained by cultivators who have refined their Qi to the third or fourth layer for half an hour before their spiritual power is exhausted, and they transform into red evil fierce ghosts amidst mournful cries.

  The sky all around was almost devoid of buildings, and the ubiquitous crimson mist was everywhere. In the air, Qin Lingyun looked up to see a dark red sky.

  Qin Lingyun's heart skipped a beat as she asked, "What's going on with that sky in the air?"

  "That's the treasure of that powerful demon cultivator. Once all the cultivators in the city have transformed into Red Vile Ghosts, and then absorb all the Red Vile Ghosts, the treasure's power will be greatly enhanced."

  Qin Lingyun sighed and said: "There is actually such a powerful treasure, it's really hard to imagine."

  "This is at least a low-grade Dao treasure, and the power of this treasure is quite formidable. An initial instrument soul has already been formed inside." Xing Emperor said slowly.

  "Ahhh..."

  A chilling, eerie howl rose and fell, amidst the crimson glow from all directions, many strange, pale red specters rushed towards the transmission array, their movements were not fast, but in groups, they looked terrifying.

  The nearby monks were using all their spiritual energy to resist the red evil ghost fog, and they didn't have the ability to resist these red evil fierce ghosts at all.

  Some monks recited the mantra, using their magical treasures to strike the Red Fiendish Ghosts. However, before the treasures could even reach the ghosts, they were corroded by the ghostly mist. The monks' protective shields were then broken through, and their physical bodies quickly decayed, with their primordial spirits transforming into new Red Fiendish Ghosts. As a result, the number of Red Fiendish Ghosts within the Mystic City continued to grow, leaving only those in the Foundation Establishment stage able to protect themselves, while most cultivators in the Qi Refining stage struggled at death's door.

  Qin Lingyun herself was struggling to survive, and of course, she wouldn't care about others' lives or deaths. The power of the Protective Spirit Technique was indeed extraordinary, even the Red Evil Ghost Fog couldn't penetrate its protective shield.

  A purple mane flew out of Qin Lingyun's spiritual beast bag, and the blood-sucking lion beast was born to restrain the yin soul. Even the powerful Liuluo evil spirit became its tonic, and these yin souls naturally didn't take it seriously. The power of Hongluo evil spirit was still no match for that of Liuluo evil spirit. As soon as the blood-sucking lion beast came out and stood outside, those yin souls instinctively felt a strong threat blocking their way.

  These red evil spirits, although they are all transformed from the Yuanshen of cultivators, have lost their original memories and now basically rely on instinct to act. Such a vengeful spirit is not even taken seriously by the Blood Lion Beast.

  A brilliant light burst out of the big mouth, like a rope wrapping around a dark soul, pulling it into the bloodthirsty lion's mouth. It smacked its large mouth, seemingly not satisfied yet. The other red fierce ghosts, driven by instinctual fear, surprisingly stopped their advancing footsteps and slowly retreated backwards.

  "Your spiritual beast is extraordinary, it can even subdue such a powerful yin soul, it's definitely not an ordinary spiritual beast." Every time Xingdi saw the Blood Drinking Lion Beast, he couldn't help but sigh in admiration. The mysteries of this universe were endless, and what he understood was still too little.

  At this time, a white light burst forth in the air, and within it was a figure. Xingdi said: "This should be Yu Jian Zhenren, the only cultivator of the Xuandu City who has formed his elixir."

  In the white light in the air, a figure was suspended in mid-air, wearing a simple Taoist robe, with a thin face and a solemn expression, and a pale white long sword floating in front of him.

  In the city of Xuan Du, all surviving cultivators pinned their only hope for survival on Yu Jian Zhen Ren. Under Yu Jian Zhen Ren's leadership, many cultivators gathered together to jointly deal with the red evil spirits coming from all directions. Among these cultivators, there were not a few foundation-building period cultivators, and those in the Qi-refining period were even fewer.

  It's still more than half a time from midnight, but the entire Xuan Du City has become a ghost domain, and there aren't many cultivators who can survive.

  400,000 to 500,000 cultivators, the vast majority of whom were Qi Refining stage cultivators. Only a few hundred had reached the Foundation Establishment stage or higher. Including those who survived the Qi Refining stage, there were only a few thousand cultivators left.

  Everywhere was filled with the mournful sound of ghosts, those unjustly killed resentful spirits all carried boundless resentment, transformed into fierce ghosts, roaming everywhere.

  Qin Lingyun's nearby cultivators fell one after another, they were resisting the red killing ghost fog at the same time, but couldn't cope with those red killing evil spirits. Soon, only she was left near the transmission array.

  If it weren't for the bloodthirsty lion beast suppressing the yin soul, I'm afraid Qin Lingyun would still die under the endless claws of the fierce ghosts even with the protection technique.

  "The ions are getting closer and closer, get ready." said Xingdi.

  Just then, a slightly hoarse voice echoed throughout the city: "Who is it that dares to do this? Are you not afraid of being surrounded by the entire Tianxuan Realm's Yuan Ying Lao Zu?"

  Jade Sword True Person was extremely indignant, but he forcibly suppressed his emotions. He deeply understood the truth that the strong are respected. The powerful Tian Huang Sword Sect was destroyed overnight, but what could he do? All words were extremely pale and powerless.

  After waiting for a while, just when Yu Jian Zhenren didn't think anyone would respond, suddenly a metallic friction sound rang out: "Heh heh, what's the point of surrounding me? I'm not afraid of who comes next. You ants can become the yin souls in my White Bone Soul Flag, it's your honor, you should thank me."

  Yu Jian's heart felt a chill, hearing that strange and eerie voice, he vaguely recalled the origins of this demonic cultivator, possessing the White Bone Soul Banner, acting with reckless abandon, it must be the White Bone Old Ancestor. It was said that over a hundred years ago, the White Bone Old Ancestor suddenly took action, wiping out several sects in one go, and the entire Tian Xuan realm didn't dare to make a sound.

  Because Bai Gu's cultivation was at the middle stage of Yuan Ying, there were not many cultivators in the Tian Xuan realm who could be his opponent. Later, if he hadn't provoked a great cultivator at the late stage of Yuan Ying, he might have continued to act wildly.

  It's said that Bai Gu Old Ancestor was already eliminated by a late-stage Yuan Infant stage Great Cultivator, but now he has come out again.

  Thinking of this, Yu Jian Zhenren's mouth was a bit bitter. It could be said that the luck of Xuan Du City was too bad. The White Bone Old Ancestor had chosen Xuan Du City as the first place to refine his magic treasure after being reborn.

  Just as the remaining monks were immersed in fear, a strong fluctuation suddenly came down from the sky, and a crack was torn open on the dark red sky, with a golden light piercing through the sky.

  The mighty power surged forth in all directions, and a cold hum came from the golden light. The large patches of red ghostly mist all dissipated.

  In the golden light, a young man stood proudly, his black hair dancing wildly, his eyes like lightning, wearing a pale gold armor, holding a simple and unadorned black long sword in his hand, expressionless, gazing forward.

  "Tenmu, what do you mean by this? Why must you shatter the Soul-Searching Banner of my old bones?" The sound of metal scraping against metal echoed once more.

  At this time, below, Qin Lingyun saw the golden light piercing through the White Bone Soul Banner and was surprised. She couldn't help but transmit her voice to Xingdi: "What realm is that Heavenly Martial cultivator?" In her heart, she actually hoped that this suddenly appearing man could break through the Black Fiendish Yin Lock Soul Array cast by the White Bone Soul Banner.

  Xingdi said: "Cultivator? That person is not a cultivator, he is a Yuan Ying period warrior."

  Qin Lingyun said, "Won't it?" The thread of hope in her heart slowly disappeared. In her mind, the Jia Shi were just some rough and unrefined body cultivators. When they really encountered a cultivator, a few spells would be enough to annihilate them.

  It seems that Xingdi had guessed Qin Lingyun's thoughts. He sneered and said, "Do you know Jiasu? Do you know the legend of Wuxian?"

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