The cell block has three levels of cells, with a staircase leading to 
the additional levels positioned by the door. Cells begin lining the 
walls approximately 25 meters into the cell block. The cell block is 
constructed out of solid concrete, albeit with some sections in a 
dilapidated state. Rust covers some of the doors, with a few 
potholes and cracks present in the flooring. 


At 50 meter intervals, there are doors on the right-hand side of the 
cell block, taking the place of cells that would otherwise occupy said 
space. These doors lead to the interrogation wing, where instances 
of SCP-3957-1-C are located. 


At the end of the cell block is a steel double-door that leads into 
what instances inside of SCP-3957 refer to as the “surgical unit”, 
where prisoners and damaged instances of SCP-3957-1-A and 
SCP-3957-1-B are converted into instances of SCP-3957-1-B or 
SCP-3957-1-D. It is currently unknown as to how these conversions 
are made, as no documentation of SCP-3957-1-E has been made 
while performing surgery. 


There are currently —_ cells within SCP-3957, with each cell being 
2m x 1min area. There is one meter of concrete wall separating 
each cell. There are currently 958 inmates being held within these 
cells. Cell doors are barred and have a keyhole that will only open 
with a key produced by instances of SCP-3957-1-A. Aside from 
inmates, cells are completely empty, save for four chains positioned 
on the left and right side of the cell, fixated on the side walls and 
roof. 


Subjects contained within the prison deteriorate in health if not 
released soon, entering stages of extreme malnutrition due to lack of 
food or water. However, subjects held within SCP-3957 do not 
require sustenance or a need to expel waste, regardless of their 
time held within SCP-3957, nor will they expire from starvation, 
thirst, or septic shock. 


SCP-3957 is home to five types of anomalous entities, designated 


as SCP-3957-1-A through SCP-3957-1-E. Instances of SCP-3957-1 
are highly resilient to physical harm, displaying no signs of pain 
recoil when injured, even when struck in bodily regions where the 
heart, brain, or other vital organs would normally be located. 
SCP-3957-1 instances must take significant bodily harm in order to 
be incapacitated, and significant destruction of the head in order to 
be fully killed. 


+ Display Information - Level 2 clearance required 


SCP-3957-1-A: Instances of SCP-3957-1-A appear to be 
humanoid entities, measuring to be roughly 1.5 meters in 
height. SCP-3957-1-A instances are dressed in identical 
uniforms that match those used by prison guards in the 
Perm Krai district during the late 1930’s. The only 
exception to this is that all instances of SCP-3957-1-A 
wear a gas mask that is attached to their heads, making 
its removal impossible. Lenses on the gas masks are 
completely opaque, leaving their bodies completely 
covered. To this end, it is unknown what the 
physiological makeup of SCP-3957-1-A instances is. 


Instances of SCP-3957-1-A appear to patrol the central 
cell block, as well as oversee instances of SCP-3957-1- 
B. Instances of SCP-3957-1-A are responsible for 
transporting prisoners around the facility, as well as 
retrieving critically damaged or deceased instances of 
SCP-3957-1-A or SCP-3957-1-B for SCP-3957-1-E to 
perform surgery on. Instances of SCP-3957-1-A are also 
responsible for containing and deterring any prisoners 
attempting to escape or resist, as well as assisting 
instances of SCP-3957-1-C during “interrogation” 
sessions. 


SCP-3957-1-B: Instances of SCP-3957-1-B appear to be 
humanoid entities resembling past prisoners in physical 
makeup and clothing, albeit with all facial features 
crudely removed. The eyes and mouth have been sewn 
shut, and the nose and ears appear to have been 
removed. Scars on the forehead are consistent with 
those of patients following lobotomies. Instances of 


SCP-3957-1-B work at a slow pace, and are responsible 
for cleaning and maintaining the prison complex. 
SCP-3957-1-B entities do not react to intruders, or when 
bodily harm is inflicted upon them. 


SCP-3957-1-C: Instances of SCP-3957-1-C have only 
been seen in the interrogation wing, within the 
interrogation rooms contained therein. Instances of 
SCP-3957-1-C resemble humanoid entities measuring 
roughly 2.5 meters in height. SCP-3957-1-C instances 
are dressed in a uniform identical to USSR officers in the 
1930's, albeit all black. Instances of SCP-3957-1-C have 
their face and hands exposed, with said regions 
appearing to be human in organic matter. SCP-3957-1-C 
manifestations have a heavily distorted face, lacking all 
facial features completely. Their skin is twisted and 
knotted around the facial region; despite this, 
SCP-3957-1-C entities are able to verbally communicate 
fluently in Russian through unknown means. 
SCP-3957-1-C entities secrete a mildly caustic 
transparent liquid from their hands, which is used to 
inflict pain upon interrogated prisoners. 


SCP-3957-1-D: Instances of SCP-3957-1-D are 
occasionally seen patrolling the cell block alongside 
SCP-3957-1-A instances. SCP-3957-1-D manifestations 
appear to be constructed from bodily parts and limbs of 
SCP-3957-1-A and SCP-3957-1-B instances that have 
either been critically damaged or killed. Instances of 
SCP-3957-1-D appear to be surgically assembled to 
vaguely resemble an East-European Shepherd, with 
jaws, legs, and other regions surgically deformed to 
perform the same motor functions as the aforementioned 
animal. Teeth have been replaced by artificial teeth 
made of iron to resemble those of the East-European 
Shepherd. 


SCP-3957-1-D instances have the basic cognitive 
abilities as canis lupus familiaris, and are obedient to 
instances of SCP-3957-1-A. Instances of SCP-3957-1-D 


will attack intruders or resisting/escaping prisoners on 
sight, or upon orders to do so by SCP-3957-1-A 
instances. SCP-3957-1-D instances are capable of 
reaching speeds estimated to be roughly 40 kilometers 
per hour, and will proceed to latch their teeth upon the 
legs or ankle of their victims, attempting to immobilize 
them until SCP-3957-1-A instances are able to arrive 
and restrain offending subjects. 


SCP-3957-1-E: The only instance of SCP-3957-1-E has 
been located within the surgical unit of SCP-3957.3 The 
instance appears to be a man of elderly age (estimated 
to be between 60-75 years of age) dressed in a surgical 
outfit that matches those used by doctors of the USSR in 
the 1930’s. The instance has an unusually designed face 
mask, that covers not only the mouth, but the entire face 
of the instance. SCP-3957-1-E has not yet been 
documented performing any surgical procedures. 
SCP-3957-1-E has been described by an instance of 
SCP-3957-1-A to be mute, and remain in a dormant 
state until the instance has a subject to perform surgical 
procedures on. SCP-3957-1-E remains upright, albeit 
motionless while in his dormant state. 


Discovery: SCP-3957 was discovered in 1997 by Field Agent 
Golav, who was working undercover with Russian authorities. Field 
Agent Golav and his assigned partner, V , Were investigating 
a case concerning a missing teenager who was reported by friends 
to have gone to the [REDACTED] prison for urban exploration. No 
traces of the teenager, identified as 16-year-old Alisa =, were 
found, except for a handbag belonging to her, which was located in 
front of the door to the prison. 


Upon discovery of SCP-3957, V attempted to open the lock 
on SCP-3957, and, upon his failure to do so, immediately vanished. 
Field Agent Golav contacted members of Site-219, situated 
kilometers east of the Perm Krai district, who proceeded to send a 
security team to establish a perimeter around SCP-3957. Field 
Agent Golav has notified his colleagues in the Russian authorities 
that no traces of the missing teenager were discovered. Those 


associated with V were administered Class C amnesiacs, 
and all records of him were expunged from public records. 


Exploration Logs: Following the discovery of SCP-3957’s 
combination, several exploration teams were assembled to 
document the interior of SCP-3957. 


+ Display Exploration Log SCP-3957-A - 
Level 2 clearance required 


Exploration SCP-3957-A 

Date: February 12, 1998 

Procedure: Five exploration team members 
(Agents Beloglazov, Delov, Yeltsin, Zharkov, 
and Volodin) are to enter SCP-3957 and 
document the interior. All units are equipped 
with the following: 


¢ 1 head-mounted camera with 5 hours of 
tape 

- 1 IFAK 

« 1 PP-90 submachine gun, automatic 


© 5 magazines, each containing 30 
rounds of ammunition 


* 1 long-range radio 


Results: Exploration team entered SCP-3957 
at 12:00 hours. After reviewing recovered 
video footage from Agent Beloglazov, the 
rescue team came under attack from instances 
of SCP-3957-1-A and SCP-3957-1-D. All 
agents except for Agent Beloglazov were 
captured by instances of SCP-3957-1-A. See 
the video log below for more information. 
Agent Beloglazov was the only member of the 
exploration team to make it back to the 
entrance of SCP-3957 and escape. Agent was 
subsequently taken to Site-219 for medical 
examination. His head-mounted camera was 


taken to Site-219 as well for review of the 
footage. 


Video Log for Exploration SCP-3957-A 
<Begin video log | 12:00> 

Agents Beloglazov, Delov, Yeltsin, Zharkov, 
and Volodin enter SCP-3957. All agents take 
this time to ensure that their radios work within 
SCP-3957. 

Beloglazov: Mic check. 

Delov: Copy. 

Yeltsin: | read you. 

Zharkov: Roger. 

Volodin: OK, all our radios appear 
operational. Let’s proceed. 

All exploration agents proceed deeper within 
SCP-3957. 

Delov: Damn, this place is huge. 

Beloglazov: It sure is. | hope we don't get lost 
in here. 

Zharkov: Quiet; did you hear that? 

At this point, all agents stop moving for a few 
seconds. Faint wailing can be heard in the 
distance. 

Beloglazov: Yeah, | hear that. It sounds like 
someone's in pain. 

Recovery team approaches the source of the 
sound. Rows of cells come into view. 
Beloglazov: Damn, | guess this place is a 
prison after all. 

Zharkov takes notice of one of the prisoners in 
a cell (hereon referred to as Subject-3957-1; 
the subject is a male, estimated to be between 
30-40 years of age. Subject has a white shirt 
and brown pants on, historically matching 
clothing styles worn by citizens of the USSR in 
the 1930’s. Subject seems emaciated, with the 
skin around the head tightly surrounding the 
Skull. 

Zharkov: Oh shit. 


Subject-3957-1: Please... Help me. 

Delov: Hello? What’s your name. Do you know 
what this place is? 

Subject-3957-1: Please, get me out of here 
before they come back! 

Delov: Before who comes back? 

Yeltsin: Men, we have company. 

At this point, Agent Beloglazov turns to see 
Agent Yeltsin aiming his P90 submachine gun 
at an instance of SCP-3957-1-A, which has 
begun approaching the exploration team from 
the level 1 catwalk. After several seconds 
since noticing the exploration team, the 
instance of SCP-3957-1-A emits a sound 
resembling that of a whistle at 120 aB. 
SCP-3957-1-A instance then leaps over the 
catwalk railing down to the ground level and 
rushes towards Agent Yeltsin. 

Yeltsin: Contact, Contact! 

Agent Yeltsin discharges his P90. Instance of 
SCP-3957-1-A appears to suffer no response 
to stimuli inflicted from gunshot wounds, nor is 
hindered by injuries, even when shot in the 
head. 

Agent Volodin looks towards the inner area of 
the cell block and sees 17 instances of 
SCP-3957-1-A and 4 instances of 
SCP-3957-1-D approaching from the level 1 
catwalk and ground level. 

Zharkov: All units, open fire! 

Remaining exploration team agents open fire 
on approaching instances of SCP-3957-1-A. 
Beloglazov: Shit, they’re not... they’re not 
even flinching! 

Yeltsin: They’ve got me! Requesting 
assistance! 

At this point, the first instance of SCP-3957-1- 
A grabs hold of Agent Yeltsin, disarming the 
agent of his firearm and locking him in a 
chokehold. 


Dr. A. : 1 will be recommending updates to 
containment procedure. 


Agent : Yeah, while you’re updating 
things, there’s something else you need to 
update. 


Dr. A.  : What’s that? 


Agent : The briefing was all about how 
SCP-511 is influencing these cats. That’s 
wrong. 


Dr. A. :Howso? 


Agent : SCP-511 doesn’t influence 
anything. It’s the cats. They made SCP-511. 
And they made it because they hate us. 


<End Log> 


Closing Statement: Agent died three 
days later from complications due to blood 
poisoning. Three weeks after containment 
breach, a new incidence of SCP-511 was 
identified in Ohio, 35km south-east of 
Site 511-47. Remote biopsies of this new 
incidence revealed genetic material identified 
as coming from three Agents of Mobile Task 
Force -. 


It seems that the “destruction” of SCP-511 
might only displace it elsewhere. Until we 
better understand the vectors that propagate it, 
all SCP-511 need to be contained in place. 
Request for reclassification of SCP-511 to 
Keter is denied — O5- 


« SCP-510 | SCP-511 | SCP-512 » 


Volodin: Hang on! Men, give me cover. 
Volodin rushes over to Agent Yeltsin and 
begins opening fire on the instance of 
SCP-3957-1-A restraining him. Several shots 
are fired into the instance’s head. 
SCP-3957-1-A instance restraining Agent 
Yeltsin is presumed to have collapse dead. 
Delov: Reloading! 

Zharkov: Two more coming in from the right 
side balcony! 

Beloglazov’s camera shifts towards 2 
additional instances of SCP-3957-1-A leaping 
down from the level 1 balcony on the opposite 
side of the cell block. 

Zharkov: Men, watch the right side fla- 
AAAAAGH! 

2 instances of SCP-3957-1-D pounce on 
Agent Zharkov and begin mauling the agent’s 
face. 

Agent Beloglazov attempts to fire upon the 
assaulting instances of SCP-3957-1-D. One 
instance collapses dead upon receiving 
several gunshot wounds to the head. The 
other instance releases Agent Zharkov and 
charges towards Agent Beloglazov. 
Beloglazov: Oh shit! Oh shit! 

The instance of SCP-3957-1-D pounces on 
Agent Beloglazov. Said agent moves his left 
arm in the way, and is pinned to the ground 
with the instance of SCP-3957-1-D tearing at 
his arm. 

Yeltsin: Men! Zharkov and Beloglazov are 
down! Delov, take care of Beloglazov. Volodin, 
situate yourself near Zharkov and provide 
covering fire. Zharkov, get out your IFAK. 
Several gunshots are heard penetrating the 
body of the attacking SCP-3957-1-D instance. 
Said instance goes limp and Agent Beloglazov 
pushes it off. 

Volodin: I’m running low on ammunition; this 


is my last magazine! 

Yeltsin: Damnit, Zharkov, get out your IFAK! 
Beloglazov gets to his feet, looking over at 
Agents Zharkov and Volodin. 3 instances of 
SCP-3957-1-A tackle Agent Volodin, with 2 
additional instances seen laying on the ground 
beyond them. Agent Zharkov is unconscious. 
Delov: Shit! Yeltsin, Zharkov and Volodin are 
down! 

Yeltsin: Dammit, I’m out of ammo rounds in 
this clip. Reloading! 

Delov: Yeltsin, we can’t take them! There’s too 
many! 

At this point, Agent Beloglazov turns to look at 
the 2nd and 1st level balcony above them. 5 
additional instances of SCP-3957-1-A begin 
leaping off of the balcony. 

Agent Voloain is attacked and restrained by an 
instance of SCP-3957-1-A. Beloglazov backs 
away, turning to see Agent Yeltsin being 
pinned to the ground once more by an 
instance of SCP-3957-1-D. 2 instances of 
SCP-3957-1-A approach Agent Yeltsin; one 
pulls the SCP-3957-1-D entity away from 
Yeltsin while the second restrains the agent. 
Agent Beloglazov can be heard at this point 
muttering a series of obscenities under his 
breath as he notices the remaining instances 
of SCP-3957-1-A approaching him. Agent 
Beloglazov proceeds to turn around and run 
for the entrance.