Registered Phenomena Code: 159
Object Class: Alpha-Yellow
Hazard Types: Transmutation Hazard, Emotional Hazard, Ontological Hazard
Containment Protocols: RPC-159 is to be kept at Site-002 on a mannequin display head in a 1.7-meter by 1.7-meter glass hermetically sealed case at all times. Any instance of RPC-159-1 must be neutralized on sight. A CSD wearing chemical protective clothing (revised as of 12/1/1939) a Hazardous Materials suit is to retrieve and re-contain RPC-159 after RPC-159-1 is neutralized. If RPC-159 is not able to be removed from the head of a deceased RPC-159-1, it is to be removed from the host's head using a surgical scalpel surgical-grade laser.
MST Tango-02 "Tommies", ██/█/1917.
Description: RPC-159 appears to be a German Lederschutzmaske GM17 gas mask, however, MRI scanning has shown that RPC-159 is a biological entity. RPC-159 has fused with an otherwise non-anomalous M16 Stahlhelm, and it is widely assumed that RPC-159 did so to protect itself and its hosts. RPC-159 only requires sustenance when a host is present. RPC-159 is able to keep its host alive, despite the lack of esophagus, through unknown means. It is hypothesized that RPC-159 uses the extra energy from its gained sustenance to perform this task. If the host's body is rendered inoperable, RPC-159 will remove itself in most cases. With a host, RPC-159 is capable of movement and speech.
RPC-159's anomalous properties manifest when worn. RPC-159 will immediately attach itself to the host's head. From this point, the host is to be referred to as RPC-159-1. RPC-159-1's fingers develop into sharp, claw-like appendages over the course of 5 minutes. after this, RPC-159-1 will create a major laceration on its neck and then remove its esophagus. RPC-159-1's stomach acid forms a caustic gas, designated RPC-159-2. RPC-159-1 instances display extreme violence towards humans but will attack most life forms. When attacking, RPC-159-1 will release RPC-159-2, which will usually dissolve the life form within 1 minute. This process is extremely painful. During this process, RPC-159-1 instances tend to use their claw-like appendages to lacerate their prey, speeding up the effect of the gas exponentially. RPC-159-1 will then pour the liquid caused by this process into its neck laceration, which appears to act as a mouth.
RPC-159-2 has a notable dark green color but is otherwise undetectable. If kept at a temperature below -1 degree Celsius, RPC-159-2 will liquefy into what appears to be hydrochloric acid, however, pH readings are unobtainable. it is theorized that RPC-159-2 has a pH of 0, making It the most acidic substance known. RPC-159-2 does not seem to spread through the air, rather staying in small, dense, clouds.
Addendum-159-A—Discovery: RPC-159 was discovered on █/█/1917, when British soldiers outside of █████, Belgium reported seeing "A creature in German uniform attacking both sides." The message was supposed to be sent to British high command but was intercepted by Authority agents operating within the British armed forces. MST Tango-02 "Tommies" were dispatched to the area. On ██/█/1917, MST Tango-02 arrived at the battlefield. No trace of soldiers from either side, barring badly damaged helmets and uniforms were sighted. RPC-159-1's original instance sighted and attacked one member of MST Tango-02. after doing so, it was quickly neutralized via rifle fire. RPC-159 was then recovered from the corpse of the RPC-159-1. Both RPC-159 and the corpse of the deceased RPC-159-1 instance were sent to Site-002 for study. After it was determined that RPC-159 was the cause of the mutations present in RPC-159-1, it was placed in containment.
Date: 27/2/1919
Procedure: A CSD was assigned to put on RPC-159, and after doing so, was put in a test chamber with 3 CSD personnel.
Results After becoming an instance of RPC-159-1, RPC-159-1 proceeded to release a cloud of RPC-159-2 of notable size. The 3 CSD personnel were enveloped in the cloud of RPC-159-2 and were not seen for 60 seconds. After the passage of 60 seconds, 3 puddles of salmon-colored liquid appeared on the ground. RPC-159-1 siphoned the liquid into its neck laceration, looking up at the observation chamber. RPC-159-1 was neutralized by a security officer wielding an Initiative standard issue Colt M1911 pistol. A CSD personnel wearing chemical protective clothing retrieved RPC-159 and proceeded to re-contain it.
Date: 1/5/1920
Procedure: A CSD was assigned to put on RPC-159, and after doing so, was put in a test chamber with a CSD personnel and a Rattus norvegicus.
Results After becoming an instance of RPC-159-1, RPC-159-1 ran towards the CSD and proceeded to release a cloud of RPC-159-2. The CSD was enveloped by the cloud of RPC-159-2 as sounds of a struggle were heard. After 30 seconds, the cloud had dissipated, showing the half-liquified CSD with many lacerations in its chest. RPC-159-1 released another cloud of RPC-159-2, which dissipated 10 seconds later. RPC-159-1 was once again observed siphoning the notably red-tinted liquid into its neck laceration. Afterward, RPC-159 completely ignored the rat. RPC-159 was reported to vocalized "Damn, that was a tough one." shortly after. RPC-159-1 was neutralized by Researcher Von Löwenherz, who was equipped with a Mauser Gewehr 98 rifle. A CSD wearing chemical protective clothing was assigned to retrieve RPC-159 but was unable to. The CSD has later issued a scalpel and used it to remove RPC-159 from the deceased RPC-159-1 instance. RPC-159 was then re-contained.
Date: 9/1/1930
After the reported vocalization from RPC-159-1, nearly a decade prior, Senior Researcher Dietrich Von Löwenherz displayed curiosity in interviewing an instance of RPC-159-1. After being permitted, an interview was scheduled. As with the tests, RPC-159 was worn by a CSD, who later became an instance of RPC-159-1.
Foreword: The following is the Interview between Senior Researcher Von Lowenherz and RPC-159-1, recorded at a modified test chamber at Site-002.
<Begin Log>
Von Lowenherz: “I heard you speak 10 years ago. Are you still capable of such?"
RPC-159-1: "Of course I am! and I must say, I thank you, people, for allowing me movement. I sure do cherish my moments, even if they are few and far between."
Von Löwenherz: "You must love your tests then. *Von Lowenherz chuckles lightly.* Anyways, how can you vocalize without… well… vocal cords?"
RPC-159-1: "That's something I do not want to reveal. Some secrets must be kept, yes?”
Von Löwenherz: "Secrets? Why are you not willing to reveal such information?"
RPC-159-1: "Easy. When I drone on about useless things, my gracious host regain-"
RPC-159-1 emits screams of discomfort and pain
RPC-159-1: "KILL ME! KILL ME NOW! THIS THING HAS FUL- Sorry about that. See? I told you. Annoying, is it not?"
Von Löwenherz: "It sounded like your host was in extreme pain."
RPC-159-1: "Yeah. They always are. You only heard this one because he's a fighter. Quite determined, but they've never broken me."
Von Löwenherz: "Do you remember where you came from?"
RPC-159-1: "Yeah. I was made in a factory, just like all the other masks. Only difference is that I have a conscience."
Von Löwenherz: "And that conscience is telling you?"
RPC-159-1 "I need a better host. You."
<End Log>
RPC-159-1 attempted to attack Senior Researcher Von Lowenherz, but was unable to. RPC-159-1 was later neutralized by a security officer equipped with a standard issue Thompson M1928 sub-machine gun. A CSD personnel wearing chemical protective clothing retrieved RPC-159 and proceeded to re-contain it.
Date: 31/3/1978
Procedure: RPC-159 was inserted into a Magnetic Resonance Imaging machine, in order to determine if it was, in fact, biological in nature. Due to being a new process, The MRI was run on a separate power source than the rest of Site-002.
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Results: After 5 minutes, an image was shown on the MRI's screen. It was discovered that RPC-159 was, in fact, Biological. It was discovered that RPC-159 contains a heart, brain and a skeletal structure, as well as many other unidentifiable organs. It is still unknown how RPC-159 can survive without any form of sustenance when it is not in control of a host.
Date: 14/12/1999
Procedure: A CSD was assigned to put on RPC-159, and after doing so, was put in an isolated test chamber. This test was to see how long an instance of RPC-159-1 can survive without gaining sustenance.
Results After becoming an instance of RPC-159-1, The instance wandered around aimlessly. RPC-159-1, infuriated, turned towards the observation chamber. RPC-159-1 attempted to dissolve the window glass with a cloud of RPC-159-2, but the cloud dissipated before any major damage had been done. Within 2 hours, RPC-159 appeared emaciated and was acting with more aggression. 6 hours after the test was begun, RPC-159-1 was neutralized. A CSD wearing a full Hazardous Materials Suit was assigned to retrieve RPC-159 but had extreme difficulty. Eventually, The CSD ended up decapitating the instance's corpse. RPC-159 was removed with a surgical-grade laser and was re-contained.
