Per 
Special Containment Procedures: SCP-XXXX is to be contained in a standard humanoid containment chamber in Site-88. This cell is to be kept at an average of 15 degrees Celsius. Any sudden fluctuations in temperature should be reported to the Section-D supervisor immediately. SCP-XXXX should be fed raw meat weekly. Personnel entering SCP-XXXXs chamber should be outfitted with a hazmat suit featuring a one sided visor. In the event of a containment breach, personnel should follow Code Blue lockdown protocol. Standard weapons have proven effective toward SCP-XXXX with the exception of any tranquilizer agent. Shots to the head of SCP-XXXX have proven most effective and will typically stun it for 5 - 10 minutes in average room temperature.
Description: SCP-XXXX is a 2.4 meter tall humanoid with a skull resembling an unknown member of the cervid family with antlers measuring 1.5 meters in height. SCP-XXXXs body structure consists mostly of bone and a black, regenerative acid which covers the majority of the objects abdomen, upper chest and neck which will henceforth be referred to as BA-X120. Attempts to conduct X-Ray scans on SCP-XXXX have thus far failed, resulting in malfunction upon the results which led to the contents of SCP-XXXXs internal structure to be blocked by a bright luminescence. Technicians of Site-88 had concluded that this was not an error or malfunction of the machinery, but more likely is the result of the nature of BA-X120. SCP-XXXX is primarily active during the winter season, and has a sixth sense of when winter arrives, despite having no outside contact.
Around December 1st of every year, SCP-XXXX will begin to become more aggressive. The object will actively search for a host for BA-X120. When SCP-XXXX finds a healthy human from 12 - 40 years of age, it will ambush the victim after stalking it for random intervals of time. The jaw of the skull will split into four separate mandibles and wrap around the victims head. Should the victim fit the criteria listed above, it will bite down and crush the victims skull. SCP-XXXX will then spit an acid out of glands located in its Oropharynx which will enter the victims bloodstream through any open wound or oral entrance on the victims head. After approximately 2 hours, the victim will begin to experience seizures and his/her muscles will begin to contract and eventually tear to the extent of where you can see their skeletal structure. The veins within the victims body will then turn into a dark purple hue as the seizure intensity increases. After approximately half of hour of seizing, the victim will be devoid of pigmentation and most of his or her skeletal structure will be visible to the human eye. Scans and visible analysis suggest that during this stage, all organs within the victims body are completely gone without a trace in 100% of cases. Despite this, the victims (who will be referred to now as SCP-XXXX-1) are capable of movement and will attempt to attack other nearby humans who fit the above criteria, ignoring those who do not. SCP-XXXX-1 show no signs of sentience and seem to mindlessly wander around to look for more victims to spread BA-X120.
If a human does not fit the above criteria, SCP-XXXX will simply consume the victim for nourishment. It's unclear whether this nourishment is for BA-X120 or for SCP-XXXX themselves, or both.
Recovery Log E.XXXX:
[Begin Interview]
Interviewer: Hello Captain. Do you know why you've been brought here?
E-6 Captain: I can only assume from the living hell you call Wendigo.
Interviewer: SCP-XXXX, yes. You were the head of Epsilon-6 during containment of SCP-XXXX, correct?
E-6 Captain: Yea. I was.
Interviewer: Can you describe the situation to me?
E-6 Captain: What? I made a whole report on the damn thing. Why do I need-
*The Captain sighs*
Fine, alright.
We got a call from Control. There was this skeleton monster thing out in the Yukon-Koyukuk area. Apparently some Iota-10 from there, for god knows why, got some missing people in the area. They even found a body but didn't give us any other detail. We got on the helicopter and flew over. It was only about a half hour flight. Gave my men a debrief before we arrived. We got to its last seen location and looked around. It was cold, at most 10 degrees. We didn't find much for the first 30 minutes of scouting, except for a trail of dried blood. It was at least a day old, stained into the snow. We followed the trail, quite as could be. About 5 minutes later, we hear rustling through the teams. I signal the team to halt, and I look around. Suddenly I'm hearing gunfire, screaming. The thing was tearing through Agent Volkovs ve
