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    Book Chapter 701: The Demon-Haired Tome! Group > by? Lin’s Hair? Self-Demon? Bah! (Update 4)

    Xiao Yu detected a peculiar scent emanating from the ceramic bottle.

    It carried the aroma of certain medicinal substances and… corpse oil!

    Corpse oil is the oily substance that emerges when fat liquefies under high heat or severe decay.

    Typically, only the remains of a deceased human body yield such a substance!

    The thought of those thirty-six mummified bodies sent a chill across Xiao Yu’s face.

    What role could this discovery play in the case?

    If his suspicions are correct, the mysterious liquid in the ceramic bottle is the prime culprit behind the purpura afflicting Wang Dong and the Team Two members.

    How could an object in a pavilion, untouched by others, possibly trigger purpura in outsiders?

    There must be a method!

    Xiao Yu raised his eyes towards the four corners of the pavilion’s roof and spotted four palm-sized, round glass pieces.

    They looked like mere decorative trinkets adorning the pavilion.

    But what purpose could they serve?

    “Six Four Three” – Imagine this: when sunlight streams through these glass discs, its focused beams hit the ceramic bottles; could that trigger something?

    Think of how a magnifying glass concentrates sunlight to ignite a flame.

    When the concentrated heat is directed at the ceramic bottle, it rapidly heats the mysterious liquid inside.

    For example, what happens when you heat water?

    It turns into steam!

    Everyone knows that steam diffuses and evaporates into the air.

    But if that steam carries a special oily component, it won’t evaporate so readily.

    Instead, it can be transported by air currents over long distances.

    Even at night…

    Those vapors, laden with oil, simply refuse to vanish.

    They cling to objects and slowly evaporate over time.

    Now, imagine someone unknowingly caught in this diffusion zone.

    With every breath, they inhale these volatile vapors…

    The implications were so chilling that Xiao Yu’s scalp nearly went numb.

    The criminal could not possibly be that careless.

    Even more terrifying, the perpetrator not only had the intellect and cunning to plan this, but was also exceptionally skilled in chemistry and physics.

    A notorious fugitive indeed… Xiao Yu muttered as he handed the ceramic bottle to a member of Team Two, “Take it for analysis!”

    Then, with a disdainful smile, he directed his gaze at the villa ahead.

    He had no tolerance for demons or monsters.

    After all, such things simply don’t exist in this world.

    Otherwise, I’d be ditching my uniform right now to go play with my sister at home.

    We’d then live a life of simple domestic bliss, free from worldly concerns!

    The logic was simple: he excelled at dealing with human criminals.

    But when it came to demons and monsters… whether he could handle them was another story.

    You might lose your head the moment you set eyes on them!

    “First, they exploited the demonic appearance of the villa to imprint that image in everyone’s mind.”

    “Then, by using verbena, they induced hallucinations that triggered subconscious demonic memories.”

    “Inside the villa, these triggered visions predominantly took the form of a demonic-looking villa.”

    “Isn’t that why everyone experienced the same hallucination?”

    “If I’m not mistaken, there must be other elements in the villa that provoke ghostly visions.”

    “Finally, the unidentified liquid caused some individuals to develop bruises – what we call purpura.”

    “The lack of gas masks and protective gear meant they were poisoned outside, not simply possessed inside the villa.”

    “That’s likely why even passersby near the villa fell victim.”

    “It wasn’t possession at all, but toxic hallucinations.”

    “Medical exams revealed nothing abnormal; once people left the villa, they recovered – though the bruises lingered, making it seem like a demon attack… ha ha!”

    Xiao Yu sneered, “Demons?”

    Bah… phooey!

    That’s the nature of criminal investigations.

    Through case files and meticulous scene analysis.

    Whenever a crime is committed, you simply need to follow the traces left behind.

    Soon enough, you’ll uncover both direct and circumstantial clues.

    By piecing together even the slightest details…

    The answer gradually comes into focus!

    Of course, this was just Xiao Yu playing the ace.

    Using his expertise and systematic skills to swiftly track down clues and unveil the truth.

    Others might manage the same, but they’d never be as quick as this ace.

    No way—Xiao Yu would never admit he was fast.

    After all, he’s a man of inexhaustible endurance!

    ……

    Then, Xiao Yu issued three orders.

    First: Remove all verbena from inside the villa.

    Second: Retrieve the remaining three ceramic bottles from the pavilion.

    Third: Fully disinfect and sterilize the courtyard outside the villa.

    Not afraid of tampering with the scene or destroying evidence?

    Remember, Xiao Yu had reverted to his National Security identity…

    National Security – technically part of the police, though not exactly.

    Once it’s confirmed that certain individuals are committing crimes that endanger the nation and its people,

    Hardly any concrete evidence is needed.

    You just take them down – swift and decisive!

    ……

    It took a full day to disinfect, sterilize, and analyze the mysterious liquid within the ceramic bottles.

    Xiao Yu refrained from entering the villa to examine it.

    He wasn’t foolish; he wouldn’t step inside until he was certain that all hazards, both inside and out, had been eliminated.

    He wasn’t going in to fool around – he wasn’t suffering from any major ailment.

    “The analysis report is in.”

    Inside the hotel, Wang Dong, hobbling and grinning broadly, handed a tablet to a smug Xiao Yu, “You laugh now, but keep it up and I’ll beat you up.”

    “And what, I look like a believer?”

    Xiao Yu’s smile only grew wider.

    Drawing on the knowledge of a keyboard warrior and the wit of street literature, he summarized a few rules.

    Men recovering from hemorrhoid surgery are total pushovers – who could possibly beat them?

    “Deal!”

    Wang Dong flashed his middle finger at Little Brother and told Zhou Lie, who was watching the show from beside him, “And you, get lost!”

    “……”

    Rolling his eyes, Zhou Lie dismissed Xiao Yu with a wave and exited the hotel guest room.

    Since Wang Dong was finally back in action, Zhou Lie had to return to his Group Nine.

    Group Nine might be quiet most days, but once they get busy, chaos is sure to follow.

    They absolutely had to be back to hold the fort!

    After Zhou Lie left, Wang Dong cautiously sat next to Xiao Yu, who was reviewing the analysis report. “I took a quick look at the liquid’s composition… never mind, I didn’t fully understand it, but I did see corpse oil.”

    “What are you on about? Trying to act smart?” Xiao Yu replied lazily, dismissing his comment.

    Sure enough, the report confirmed his suspicions about the mysterious liquid.

    It could induce bruising – the purpura he observed.

    But the critical factor was the corpse oil.

    What was so unsettling about the corpse oil?

    The analysis revealed that the corpse components came from over six individuals.

    In other words, the corpse oil was refined from at least six bodies mixed together.

    A fierce murderous intent flared in Xiao Yu’s eyes.

    Some people truly deserve their fate!

    Wen

    Xue

    Chapter Summary

    Xiao Yu uncovers a sinister plot involving a mysterious liquid found in a ceramic bottle, suspecting that it triggered purpura in crime victims by dispersing through focused sunlight. Piecing together clues from unusual items in a pavilion and analyzing chemical evidence, he deduces that the substance—extracted from multiple corpses—was deliberately engineered. Despite skepticism about paranormal influences, Xiao Yu’s methodical investigation, complemented by critical orders to secure the villa and surrounding area, reveals a chilling crime with deadly implications. Meanwhile, banter with Wang Dong and Zhou Lie lightens the tense atmosphere.

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