The red light flickered, and Yu Xing's forearm was illuminated red. He turned his gaze and saw a large wound on the abdomen of the body on the iron bed, which was roughly sewn up with a long bloodstain, making the wound look ferocious.

"So there's this too..." Yu Xing moved to the other bodies and glanced at them roughly, ignoring the creepy gazes that followed him in the direction he moved. "So it seems that the meaning of the bodies' celebration is a group suicide by cutting their abdomens."

Luckily, the bodies couldn't move, otherwise he would have beaten this annoying person to death.

Recalling the words on the note, Yu Xing understood that the key to the bedroom was sewn into the abdomen of one of the bodies.

A one in twenty-three chance?

With this in mind, Yu Xing began to observe if these bodies had any special markings.

If they didn't, it meant that he could probably pick open the wounds of each body one by one and search slowly. If they did, he needed to be careful not to choose the wrong one, otherwise something bad might happen.

The note didn't mention this, so Yu Xing had to pay attention himself.

He had heard from some people that the death rate in personality mask assessment games was relatively low, only about 30%. Many puzzles had more than one way to solve them, and the system would determine the player's personality tendency based on their choices.

For example, at the water tank, if he didn't get the key from the microwave... he could still find the subsequent clues by smashing it open with enough strength.

While Yu Xing was observing intently, footsteps passed by behind him.

Yu Xing looked up and only saw a flash of red candlelight.

"They can move?" He turned around and counted the number of red candles in the hall. There were still twenty-three, and their positions were correct.

"So the one that appeared just now... is the killer."

This was quite rare.

The killer who was only known through notes finally showed up?

"Thump, thump."

Suddenly, the iron bed in front of him made two sounds.

"Thump, thump, thump."

The sounds were rhythmic, as if someone was knocking.

Yu Xing followed the bed and looked towards the bottom of the bed...

There was no one there.

Only a half-extinguished candle lay quietly there.

"It's another method to create psychological fear..." Yu Xing calmly stared at the candle for a while, then squinted his eyes after a moment.

It was a bit strange... he felt an itch in his stomach.

And it seemed like there was something inside his stomach, making him uncomfortable.

"Oh well." He lifted the hem of his shirt and, as expected, there was a poorly stitched wound on his abdomen.

It wasn't there just now... but it didn't hurt.

He reached out and touched it. The feeling of the thread against his skin was completely different, which made him think.

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"The killer didn't directly kill the doctor, but wanted to play this game with him. The killer's goal should not only be revenge."

"He always wanted to make the doctor afraid."

"For example, the key is sewn inside a human body, but the killer didn't specify whether it was sewn inside a corpse or a living person. Now that a stitched wound has appeared on my stomach, isn't it implying that the key is inside my own body?"

"He wants me to self-harm?" Yu Xing sneered. "Too naive."

From his senses, he could confirm that there was indeed a key in his stomach, and he could take it out anytime he wanted. He also didn't mind getting injured.

But... he just didn't want to do what the killer wanted.

In deduction games, players were already at a disadvantage. Forced injuries like "plot kills" didn't exist. There must be a way to pass this puzzle without getting hurt.

Ignoring the obvious scar on his abdomen, Yu Xing used a surgical knife to pick open the stitches on the abdomen of the body in front of him. Before he could reach in and search, the body suddenly sat up.

"Playing dead?" Yu Xing took a step back and looked at the body's movements with interest.

The body trembled all over, causing the candle to fall and leaving two drops of hot red wax on the ground.

Then, the body turned over and fell to the floor with a muffled sound, crawling towards Yu Xing in a posture reminiscent of a classic Japanese horror movie.

"Oh... don't be angry. How about you lie down and I sew you back up? I should be better at sewing than that person." Yu Xing tentatively asked.

Of course, the body didn't pay attention to his words.

Due to rigor mortis, its limbs were difficult to bend, which created a terrifying feeling but also made its crawling speed pitiful. Yu Xing felt that he could walk backwards faster than it could crawl.

"Tsk... it seems that the key is not on this body. Well, this must be the punishment for choosing wrong, right?"

Watching this thing crawling towards him, Yu Xing moved and thought at the same time: he couldn't experiment one by one. It would be fine with one body, but if he made a mistake with twenty-two bodies in a row, it would turn into a scene from a zombie movie.

He didn't know how strong the body's attack power was or if he could "physically drive away ghosts". Yu Xing thought about whether he should scratch it with his claws.

"Tap, tap, tap..."

Footsteps passed by him again, disappearing in the blink of an eye. When it passed by, it seemed to blow a cold breath towards Yu Xing's neck.

Yu Xing raised an eyebrow. Was the killer provoking him?

He gave up the idea of teasing the body and looked towards another place.

He remembered that there was another place in the human body.

This was also an easy question.

...

Two minutes later, the power supply system returned to normal. The lighting devices in the hall, kitchen, toilet, and dissecting room lit up again, enveloping the entire building in a "peaceful" atmosphere.

Yu Xing looked at the frozen heart that had been cut in half in his hand, as well as the golden key in the center of the heart, feeling a bit melancholic for a moment. "Don't blame me, I didn't mean to break your heart..."

The refrigerator door was wide open, and the freezer was dragged out. On the cutting board lay the pitifully chopped large intestine. Yu Xing rolled up his sleeves, put the heart back in the freezer, and only kept the golden key in his hand.

He had thought of the dissecting room and the refrigerator as places where "human bodies" could also be found. The key could also be placed in these two locations.

There were too many jars in the dissecting room, and there was still a body chasing after him, which was inconvenient. So he went to the kitchen first.

Since the bodies outside had wounds on their abdomens, he destroyed the large intestine first. Only when he didn't find the key did he cut the heart.

Sure enough...

There was no need to be chased by more than twenty bodies, no need to perform the skill of cutting the abdomen, and he could still pass without getting hurt. It all depended on whether the player could think of it.

At the moment he saw the golden key, the power supply system recovered. At the same time, the wounds on his body and the feeling of something strange in his stomach faded away, as if they had never existed.

This was a technique that could be used in some deduction games. Someone had mentioned it to him, saying that the inspiration for this technique came from "Schrödinger's Cat".

- If he took the key from his own stomach, then there would definitely be no key in his heart.

- If he knew there was a key in his stomach but didn't take it, then it was just a "possibility". It could be covered up with illusions and other explanations, and there would be a chance that there was a key in his heart.

By leaving room for the system to work, the system would help the player survive based on the purpose of the deduction, with a certain probability. This probability was greatly magnified in personality mask assessment games because the focus of this deduction was evaluation, not survival.

Yu Xing left the kitchen with the key in hand. Outside the hall, after the lights came on, it looked the same as before, with no bodies or candles, and even the poor crawling thing was gone.

He walked towards the locked door, passing by the dissecting room on the way. He took a glance inside and saw the time.

Countdown: [2:21:07].

There was plenty of time.

The bedroom was located on the left side of the hall, with the door embedded in the wall and locked with a large lock.

Yu Xing carefully examined it. The dark brown wooden door was heavy and cold, with a hint of resistance.

He used the key to open the door and pushed it open a crack--

In the gap of the door, a person about the same height as him was pressed against the corner of the wall, staring at him without blinking!

"Oh, you must be..." Yu Xing hadn't finished his polite words when the figure disappeared silently, to the point that Yu Xing couldn't even remember their specific appearance.

"Oh, how annoying. They brought me here and are still so shy." Yu Xing pretended to be coy and flicked his hair, but in reality, he used his leg to push the door open a bit more and tightly gripped the surgical knife in his right hand.

Just in case there was a surprise attack when he opened the door--

Hmm, there was no surprise attack.

Unexpectedly, the scene in the bedroom was completely different from other places. The walls were white, and the decorations had a simple metallic color. There were design-oriented small objects everywhere, and potted plants were placed in the corners.

The most surprising thing was that there was a large window in the room, covered by light green curtains, with faint sunlight shining through.

The figure was gone.

Yu Xing turned around and closed the door, then walked towards the window and pulled open the curtains. He immediately observed the window frame.

He pushed it, but it didn't move. It seemed that the window was welded shut.

Confirming that the figure didn't leave from here, Yu Xing looked up and looked outside the window.

There was actually a view outside.

It seemed to be around noon, and on the street outside the window, people were walking hurriedly, wearing various clothes. There were all kinds of shops on both sides of the street, clothing stores, gift shops, and even a relatively high-end place.

However, this window blocked all the sounds from the outside, and the room remained silent.

Yu Xing soon noticed something was wrong. He stood by the window and looked outside, realizing that the scene he saw was from a bird's-eye view.

He estimated in his heart... the place where the killer was located was at least five floors up!

"The logic is wrong. It would be acceptable to say that this place is in the suburbs or underground, but it's unlikely to be in a high-rise building." Yu Xing pondered, and the existence of this bedroom and this window suddenly created a passage in the originally closed environment. Combined with his previous speculation about the killer's personality and mental state, an idea emerged.

"If that's the case, it's interesting." Yu Xing smirked, leaving the window and carefully examining the layout of the bedroom.

The bed was tidy, the wardrobe was against the wall, and there was a bookshelf next to it, with over a hundred books on it, all with blurry covers.

Yu Xing opened the wardrobe and took a look. It was empty.

"It seems they won't leave me obvious clues... but it's okay, the absence of clues is also a kind of proof. I must be right."

He wasn't disappointed at all. He walked to the desk and found a thick notebook with a textured cover. It felt comfortable to the touch.

When he opened it, Yu Xing found that it was a diary without any dates written from beginning to end.

[Today, I just finished building this place, my morgue! My secret garden! No one can disturb me. Just thinking about the days to come makes me tremble with excitement.]