Chapter 403 What is the evil spirit?
She looked up and saw Ling Yun, who was riding a horse at full speed. Fortunately, there were not many people on the street.
She stood up and shouted, "Lingyun, what are you doing here?"
Ling Yun spotted Su Nuan and reined in his horse in surprise, "Why are you here?"
Su Nuan glanced sideways, "If you can be here, why can't I be here?"
Ling Yun said anxiously, "There's an evil spirit in this city. Go back quickly."
Su Nuan's eyes lit up. Evil? This is fun!
Ling Yun was speechless when he saw Su Nuan's expression. Now, no matter how he looked at Su Nuan, she looked like a kitten that was eager to try something new, except for a wagging tail.
He said sternly, "Go back quickly, this is not a place for you to come."
Su Nuan was intimidated by Ling Yun's aura. In her impression, this guy was just a child who never grew up, but now he exuded the aura of a strong man, and people dared not underestimate him.
At this moment, Su Nuan didn't know which Ling Yun was the real Ling Yun.
The space spirit suddenly shouted, "Hey, wake up."
Su Nuan suddenly came back to her senses. What happened?
She looked around; the street was still the same, and the noodle stall and the old man were still the same.
The Ling Yun in front of him was still the same Ling Yun, but there was a clear stupidity in his eyes. This was the person he was familiar with. How could he have had such a serious illusion just now?
She asked in her mind: "What's going on? What happened to me just now?"
The space spirit said, "Check the air."
Su Nuan sniffed hard, and the space spirit laughed and said, "Stupid, use this. You're not a dog, what can you smell?"
Su Nuan, “…”
There was a round object in her hand, but because Ling Yun was staring at her, Su Nuan didn't dare to take it out and look at it.
Ling Yun now said helplessly, "I noticed something was wrong when I came here last time. Today I gathered some people and prepared to search the city for evil spirits."
Su Nuan asked tentatively, "What are evil things? Demons and monsters?"
Ling Yun nodded. "Yes, other places are more troubled by evil spirits at night, but this place is more troubled during the day. You should go home quickly."
Su Nuan nodded repeatedly, "Okay, I'll be back soon, you go and do your thing."
Ling Yun was a little worried, "I'll take you on a boat."
Su Nuan quickly said, "I don't take a boat, I can fly."
Ling Yun stared at Su Nuan, as if he would not give up until she left.
Su Nuan had no choice but to give the old man some copper coins and then called Feixue back.
After she left the city on Feixue, she landed and took out the things given by the Space Spirit to examine them.
As a result, Su Nuan discovered that the round object was a compass with many scales on it, which she could not understand at all.
Su Nuan asked: "How do you understand this? I don't understand."
The Space Spirit flew over to take a look and said, "Sorry, I got the wrong one. This is a ghost catcher."
Su Nuan, "..." What is a ghost?
The space spirit took out another disc, which was about the same size as the previous one, but there were only three numbers on it.
"Hazardous substances, concentrations, and oxygen?"
The space spirit nodded. "Harmful substances are things in the air that are harmful to the human body. The current value is over 60."
"The concentration is 30 percent, the oxygen value is 18 percent, the normal value is 21."
Su Nuan was stunned by what she heard. "Just tell me what kind of effects these harmful substances will have on people?"
The space spirit replied, "It's 100% harmful. Then every breath of air you breathe is poisonous, and you'll die soon."
"If the concentration is 100%, then there will be no oxygen in the air you breathe, and it will also be a problem."
"The normal oxygen value is 21. Humans can live comfortably at an oxygen concentration of 19.5 to 23.5. Values below the minimum and above the maximum will cause discomfort to the human body."
"If it's below 6, you'll have cramps or even die. If it's above 23.5, you'll get drunk, and if it's too strong, you'll die."
Su Nuan nodded to show that she understood, which meant that the current situation was safe and she would not die.
She quietly sneaked back into the city. There were fewer and fewer people on the streets, and it seemed that everyone had gone home.
She sneaked around in the alley, and the space spirit followed her holding the tester.
Fortunately, everything the space spirit holds in its hands will be hidden, so others can't see it, otherwise they would think it's haunted.
Su Nuan didn't see anything strange and asked, "Can you detect any harmful substances in the air? I can't smell anything special right now."
The Space Spirit said, "I don't know either. Look over there."
Su Nuan looked in the direction she pointed and saw several baskets over there, and a crow next to the baskets.
"It seems to be dead. Let me take a look."
As she spoke, she walked over. The crow was quite big, with grayish-black fur, and it was obvious that it was malnourished.
Unexpectedly, the crow struggled a bit, so Su Nuan took out a bamboo tube, pried open the crow's mouth and poured some river water into it.
The space spirit said: "He's still alive. It seems that his condition is not fatal."
As he was speaking, a flock of crows flew by in the sky, making a cawing sound, and the sky darkened for a moment.
The space spirit was also surprised and said: "There are so many crows, it seems like they are being driven away."
Su Nuan nodded, "So many crows are a sign of impending disaster."
The space spirit immediately retorted, "What disaster is coming? That's all nonsense."
Su Nuan smiled awkwardly, "Crows eat carrion. Their appearance in large numbers means there's a lot of carrion. In people's eyes, dead bodies only appear when disaster strikes."
The space spirit said disdainfully, "Crows are the best birds. They are loyal, filial, and can clean up corpses to prevent them from becoming a source of pollution."
Su Nuan nodded. "Yeah, I learned something new. I know that crows actually feed their parents. Other birds can't do that."
The space spirit nodded. "Not only can birds not do it, even many humans cannot support their parents."
Su Nuan didn't dare to say anything, for fear of being attacked by the angry space spirit.
After drinking the river water, the crow closed its eyes and rested for a while before standing on Su Nuan's wrist, looking at Su Nuan curiously.
The space spirit said, "You're awake now. Do you know where these things that make you uncomfortable come from?"
The crow looked at Su Nuan blankly, it couldn't see the space spirit either.
Su Nuan asked, "Why did you faint?"
Crow, "Cack?"
Su Nuan was speechless and threw the crow into the space. Although the crow had a high IQ, it had not been trained, so it could not understand human language at all.
At this moment, she missed Su Xia's parrot. Although that guy was not very cute, he could talk.
The space spirit said, "Forget it, let's go through a few more alleys and find one with a high concentration of harmful substances."
Su Nuan nodded. "Will it help if I wear a face mask? The detoxification pills can't stop this harmful substance from invading the body."
The space spirit shook his head. "No, this gas isn't considered poison. Look for it again. If you feel uncomfortable, go into the space to purify your body."
Su Nuan nodded, "Okay, this is the only way."
She began to move through the alley when suddenly someone exclaimed.
“Ghost!”
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