This document has been classified as Top Secret by order of The Administrator.

Access by unauthorized personnel is strictly prohibited.

The following text is an excerpt from the SCP-087 5th Exploration Log with Addendums.

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The exploration team consisted of 5 people of Chinese descent, randomly selected from the SCP Foundation CN Division MTF Red Ying Squad, numbered H1-H5, with H1 serving as the exploration team leader.

The exploration team is equipped with five 500-watt searchlights that can maintain 72 hours of power, two handheld video cameras, a 50-meter-long rope, a small hydraulic clamp, and some detoxification drugs.

Each team member is also equipped with a backpack containing two bottles of water, 10 nutritional supplements, 10 small LED lights. In addition, each carries a Colt pistol, an MP5 submachine gun, and a headset capable of communicating with the command room.

[Recording Starts]

Advisor ████: Are you ready?

H1: No problem, advisor.

Advisor ████: Remember, your mission is to rescue, and when you see people, carry them without saying a word and run, and ignore everything else.

H1: Understood.

H1 led his team through the iron door into the first step. Despite the 500-watt searchlight, the light can still only shine on the first few steps. The next level is entirely invisible. The exploration team began to move in a five-person search strategy, H2 the most forward to explore, H5 break back, H1 in the second position in the center of command. They've reached the first platform.

H1: Advisor, we found a bloodstain.

Advisor ████: I see it. Keep going until you come across something else unusual.

The exploration team continued down the line and stopped after traveling to the sixth or so platform.

H1: Advisor, we have heard a distress call.

Advisor ████: Please describe the sound.

H1: It seems to be a child, shouting "come down" "help me" kind of voice, intermittent, we can't hear it clearly.

Advisor ████: Got it, keep exploring.

H1: Understood!

The team continued down to the twentieth platform.

H1: Report, I think there was something wrong with the sound when we started to hear it, it was about 200 meters away according to us, so far, we don't seem to be close to it, it seems like every time we go down a step, it went down deeper.

Advisor ████: Normal phenomenon, do not make a fuss.

Whispered to the person next to me: Don't your team members do their homework?

Dr. ████: By order of The Administrator, they have not read about SCP-087 before.

Advisor ████: Bullshit order, it's too late to read it when you're already in it - eh, don't bump on each other, who was it? Keep on going!

H1: Understood!

Arrived on the forty-eighth platform.

H1: Report, one of the four strings of bloody footprints is fading away.

The camera was brought down. As you can see, as H1 said, the string of footprints is about to disappear.

Advisor ████: There must be a monster when things go wrong, on your guard, and keep moving.

They have arrived on the fifty-first platform.

H1: Report, there is a slot in the wall here. It looks like something chopped out. The first step below has broken down, and this chop mark looks pretty smooth. The first string of bloody footprints has completely disappeared.

The image shows a circular crater in the wall, estimated to be 50 cm long and 10 cm wide, and the first flight of steps down from this platform was knocked to pieces, and the string of bloody footprints disappeared right at the edge of the steps.

Advisor ████: This is odd. Proceed slowly and keep on exploring.

A sudden shout came from within the audio.

Dr. ████: What's wrong? What happened?

H5: Report, I saw a face flashing from the rear.

Advisor ████: Please describe the face.

H5: It was a face without pupils, nostrils, and mouth, grayish-white, floating in mid-air, and when I saw it, it hid backward into the darkness.

Advisor ████: That would be SCP-087-1.

H1: Should I track it upwards?

Advisor ████: No need, our purpose is to save people, that thing is dangerous, all hands-on alert, weapons ready, permission to fire in critical situations, everyone be careful, and proceed.

H1: Understood!

Proceed down to the seventieth platform.

H5: Report, I'm feeling a little weird.

Advisor ████: How weird? Please describe it.

H5: After seeing SCP-087-1, my heartbeat progressively faster, my blood pressure increased, and my pulse rate should now be at 120 beats per minute.

Advisor ████: This could be caused by fear or nervousness.

Dr. ████: The MTF team members are specially trained not to feel fear even in the most desperate times.

Advisor ████: That's what SCP-087-1 is doing - H5. If there are any more symptoms, please bring them up promptly. H1, H5's current situation is no longer suitable for breaking the back. Please replace the personnel.

H1: Understood!

H5 came to the position of H3. H4 is responsible for breaking the back. The team continued down to the eighty-first platform. At this time, they are at a distance of about 300 meters from the ground.

H1: Report, there is a large hole in the platform here, and the second string of bloody footprints disappears at the entrance of the hole.

The came moved gradually down, and you can see that there was a hollow hole about one meter in diameter on the platform of this level, the second string of bloody footprints disappeared at the mouth of the hole, as if someone fell in, the hole is deep, I don't know if it's an illusion.

Advisor ████: throw an LED light down.

H3 opened his backpack, took out an LED light, and threw it into the hole. The light lasted about 3 seconds and disappeared. It was indeed very deep.

H2: At this angle, I think I saw something.

Dr. ████: Please describe what you see.

H2: There seems to be a person hanging down there, but I can't be sure.

Advisor ████: Throw another light down.

H3 threw another LED light into the cave. This time the camera was held by H2, and from the screen, you could see a blurry figure hanging not far inside the cave, and the space inside the cave seemed larger than expected.

H1: Requesting to go down and take a look.

Advisor ████: Granted, please be careful.

H4 is in charge of the guard, H5 fixes the rope to the stair railing, H3 ties the other end of the rope to his body as a weight, H2 ties the safety lock, fixes the searchlight to the side of his helmet, holds the camera, and probes into the hole. H1 opened another backup camera so that the monitoring room could see both inside and outside the cave.

As with the stairwell, the cave is surrounded by darkness. H2 slid down the rope all the way to 30 meters and was at the same level as the unknown object. You can see that it was indeed a humanoid figure, with its head down, as if it was hanging in mid-air with an invisible rope, about five meters from H2.

H2: Advisor, can you see it.

Advisor ████: Yes, but I can't see it clearly.

H2: I'll think of something.

H2 slid down a few meters, began to shake the body. With the rope swaying, he and the humanoid figure gradually narrowed the distance, and you can already see the humanoid figure has long hair.

Advisor ████: No, H2, stop!

The reverberating force was beyond H2's control. Hearing the advisor's command, he tried to twist his body, but he still involuntarily drifted towards the humanoid object because of the excessive inertia.

Just when H2 was close to it, the humanoid figure jerked its head up, revealing a faceless face behind its long, messy hair. H3 quickly pulled the rope upward. H2 was only 20 cm away from the humanoid figure when the rope was taken away.

The humanoid figure did not chase H2. It raised its head and watched H2 exit the cave.

Dr. ████: What is that thing.

H2: It's faceless, like a puppet.

Advisor ████: No matter what it is, there is something evil here. Next, reduce unnecessary exploration and do your best to save people.

The exploration team put away the ropes and continued downward. This time they walked for more than an hour, traveling down nearly two hundred flights of stairs. The exploration team stopped at the 280-level platform for a short rest. At this time, they have more than a one-kilometer straight-line distance from the ground.

The distress sounds, if any, seemed to come from more than 200 meters below, they were never able to approach, and the two rows of bloody footprints on the ground were fader and fader.

Several people took turns to drink some water and eat some nutrients. Moving forward in the dark required more physical strength and energy than usual. Ten minutes later, the exploration team set off again, with the back-breaker replaced by H3 and H1 playing the lead role himself.

Descending to the 301st-floor platform.

H1: Advisor, I found a wallet

H1 looked down and picked up a wallet-like object from the steps, with some blood stains stuck to it, which had dried.

Advisor ████: Open it and take a look.

H1 handed the camera to H2 and was about to open the wallet.

H4 (with a slight trill): Here it comes, coming up front!

The screen shakes, H2 pointed the camera at the stairs below, a face with no mouth and no nostrils and no pupils appeared in the darkness, only two meters away from the exploration team, it was SCP-087-1, I do not know when it appeared there.

H1 quickly pulled out the Colt and fired three shots, each one hitting the gray face, but it does nothing to it. SCP-087-1 looked at the camera in H1's hand, and it didn't seem to be looking at the few people in the exploration team, but through the camera, staring at the people in the surveillance room.

After a few seconds, it disappeared into the darkness.

Advisor ████: See, it just seemed to be looking at me, it dared to look at me, hey – I'm a little bit upset, I [DATA EXPUNGED]!

Dr. ████: Advisor, please calm down, H1. If there is nothing else unusual, please move on.

The exploration team had been traveling downward for another two hours, and they had taken more than 500 flights of stairs, and by conservative estimation, they were already 2 kilometers underground. This was beyond the height that an average building should be, but they still hadn't reached the bottom.

Distress calls still sounded faint. They had made another resupply during this time, and worryingly, all five team members were experiencing heart palpitations. One of them, H5, was the most severe, already needing to hold on to the stair handrail to continue moving forward.

Advisor ████: Probably under the influence of SCP-087-1, do you want to retreat?

H5: No need.

Advisor ████: I trust your judgment. Please retreat at any time you think is appropriate.

H5: Yes!

The exploration team travels down three more steps.

H3: Report, I sense the sound source approaching! We're closing the distance to it, within 150 meters!

Advisor ████: Good, stay alert, and keep moving.

After another 30 minutes of advance, the exploration team came to the 610th platform, which was about 2.5 km from the surface.

H1 (slightly excited): Report, we seem to have reached the bottom! There is a door ahead, the remaining two strings of bloody footprints disappeared in the doorway, and that distress sound also came from behind the door. Do you want us to open that door?

A wooden door appears at the end of the stairwell; there are no more stairs to continue down. Apparently, the part of SCP-087 depths has ended.

The edges of the wooden door are somewhat rotten, but the main body is intact. There are many scratches at the center, like fingernails picking them out, and the edges of the scratches are bloodstained and very old, presumably left by D-9981's exploration.

The door is locked by a bronze lock. The surface of the bronze lock is covered with green patina. I do not know how many years it has gone through.

Advisor ████: H1, now please take a moment to prepare with your team and open the safety of your firearms. Next, you may not have time to rest.

The exploration team took a five-minute break, and all the team members drank some water but did not eat anything.

H1: Report, the whole team, has finished recuperating.

Advisor ████: Stay on alert, open the door.

H1, H2, H4, and H5 take a few steps back, use the stair railing as cover, hold their submachine guns, and point them at the door. H3 took out small hydraulic pliers and cut the brass lock. After the brass lock is broken, the door behind lets out a sound, the door gap emits out of a white mist, and the distressed sound disappears.

H3 paused for a few seconds to confirm no danger, pulled the handle, and opened the door. The door is dark. The lighting equipment does not shine out further, should be built with the same light-absorbing material as the stairwell. H3 took out a small led light and threw it in. LED lights can also only illuminate a few meters range. The space inside is not known how large.

H1: Advisor, Requesting for entry to explore.

Advisor ████: Granted, please be careful and report what you see.

The exploration team changes cover and enter the door in turn. Inside the door is a corridor, about five meters wide. Ropes are hanging down from above on both sides of the corridor, and most of the ropes are corrupt, dangling like a puppet.

The puppets were in the same position as the humanoid figure in the cave, on their backs and without human features.

Advisor ████: It seems to be some kind of ritual, so be careful.

The exploration team advances about 50 meters inside the corridor.

H2: Look! What is that?

Two people are hanging in mid-air, mixed with other puppets; the only difference is that they are wearing clothes. H3 and H4 untie them from the ropes, and it's two of the four missing students.

H3: Report, they're still breathing!

Dr. ████: Nice job.

Advisor ████: Be careful.

Bang, bang, bang, three shots rang out of frame.

H2: Here it comes, SCP-087-1, that face, it's been following us!

H1: On guard!

Several team members, back to back, surround the two students in the middle.

H5: The puppets around them seem to be moving!

The camera shifted sharply, H5 swept around with the camera, and the puppets that were originally hanging by ropes floated up one by one.

Advisor ████: Stop exploring. Retreat immediately!

[DATA EXPUNGED]

H2: That face, here it comes!

Bang Bang Bang- Gunfire continues.

Advisor ████: Drop all load, including the cameras, and keep only the headsets and flashlights! You can't fight them!

H1: H5 open the way, H3 and H4 take two students, H2 follow me and cut off the rear!

Countless puppets swarmed.

H5's headphones fell off in the chaos, and the little boy's cry for help came again. The sound was close as if it was at the other end of the corridor.

The camera was thrown to the ground, and SCP-087-1, that face, came to the front of the camera, and he stared straight at the camera as if he could see the person behind the camera. The feed was interrupted.

[DATA EXPUNGED]

Advisor ████ (muttering in a low voice): Hiss - that little boy's voice, why do I feel like I've heard it somewhere.

Dr. ████: What?

Advisor ████: Nothing, I said that face is so arrogant, always looking at me, I will beat them up sooner or later.

[DATA EXPUNGED]

Addendum: Ten hours later, five exploration team members emerged from inside SCP-087 with two survivors with the help of the pick-up crew. During the battle with the puppets, H1 was severely injured in the chest and abdomen, H2 suffered a broken leg, and H5 suffered from catatonia and underwent a month of treatment. Two survivors suffered severe brain damage and eventually became vegetative, with no way to know what happened to them.

The Foundation has updated the information about SCP-087. SCP-087 has 610 levels of platforms and a depth of about 2.5 km, and it has a door at the bottom. The length of the corridor behind the door cannot be estimated, whether there is a larger space connected to it is unknown, and the use of the puppets is unknown.

The source of the distressed voice remains unknown. A week later, the SCP Foundation again closed the entrance to SCP-087.

Addendum 2:

This was not the last time the Foundation explored SCP-087. The Advisor had re-entered the next day and destroyed the exploration records for unknown reasons - Dr. ████

I'm going in, don't bother try to stop me – Advisor ████