SCP-XXXX: "The Gentle Juggernaut"
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SCP-XXXX during its initial capture. SCP personnel were dressed as local police officers and civilians to divert attention. A cover story was prepared in the event any locals spotted SCP-XXXX.

Item #: SCP-XXXX

Object Class: Euclid

Special Containment Procedures: SCP-XXXX is to be kept in a Type-6 large animal containment pen with a large variety of vegetation and a dirt floor at Site ██. No portion of the pen and/or the surrounding structure may be composed of any type of wood, otherwise severe structural damage to the pen and/or the facility may occur. The temperature of the pen must be kept between 20°C and 30°C at all times. SCP-XXXX must receive a daily check-up to ensure no problems arise. Any confirmed report of abuse / mistreatment of SCP-XXXX will result in severe disciplinary action.

Standing directly in front of SCP-XXXX's nose and/or wearing a visible green-colored article of clothing are strictly prohibited. Failure to abide by these rules may result in severe injury and/or death. All plant-based materials such as wood and cotton may not enter SCP-XXXX's containment pen. All personnel entering SCP-XXXX's pen must be inspected for plant matter and given a machete before entering.

In the event of a containment breach, SCP-XXXX is to be taken back to the facility by truck after it has been sedated by a specially formulated tranquilizer and captured.

Change Log 2088-1: Following Incident 2088-B-1, a crane is required to accompany the truck during any transport of SCP-XXXX and SCP-XXXX's pen is required to have 2 doors per entrance.

Description: SCP-XXXX (referred to as "Shelldon" by staff) is a male herbivorous tortoise of unknown age with a carapace length of about 5m and a total weight of approximately 4825kg. It demonstrates a high resistance to toxins and the ability to emit a green-colored gas, which will be referred to as SCP-XXXX-1, from its nostrils. SCP-XXXX-1 is able to instantly accelerate the growth of plants to rates as high as 9m/s for approximately 30 seconds after exposure, after which the plant will return to a non-anomalous state. Similar growth acceleration is achieved on diseased plants and isolated plant matter excluding pollen. Plant matter exposed to the gas will begin to grow into the organism the matter originated from as long as the chemical makeup of the matter has not been altered before exposure. The gas has no observable effect on organisms outside the Plantae kingdom bar certain species of macroscopic algae.

SCP-XXXX demonstrates a level of comfort around humans and a liking of certain tactile sensations on its head, chin and neck. It is unknown if it does not perceive foundation personnel as a threat or if SCP-XXXX has had regular human interaction prior to retrieval.

Some researchers argue that SCP-XXXX might actually be an abnormally large Megalochelys atlas, a tortoise known to have lived approximately 1.8 mya in southeast Asia that supposedly went extinct during the third glacial period. Under the theory, the species survived by staying close to the equator where it was the warmest and used SCP-XXXX-1 to increase its food supply. The researchers that believe this theory site the great similarities in bone structure, SCP-XXXX's capture location and ancient drawings of similar creatures found in multiple cultures as evidence.

Circumstances of Retrieval: After reports of tourists spotting a "monster" in southeast China were brought to the attention of the SCP Foundation, a team of 18 personnel was assembled and sent to ███████, China to investigate. The search was successful and the "monster" was captured on ██-██-████ at ██:██. SCP personnel were dressed as civilians and local police officers to avoid attracting attention throughout the entire operation. A cover story was distributed to local media and Class C Amnestics were administered in the area.

Following the capture of SCP-XXXX, additional sightings of creatures with similar descriptions to SCP-XXXX with sizes ranging from approximately 1m to 3m in length have been reported across southeast China, northern Vietnam and Laos. Searches for additional instances of SCP-XXXX have been unsuccessful.

Addendum XXXX.1:

Addendum XXXX.2:

The O5 council has approved testing SCP-XXXX-1 on SCP-143 which is currently scheduled for ██-██-████ at ██:██.