Object Class: Keter Special Containment Procedures: SCP-517's containment is fairly straightforward. It will be content in a plain rectangular chamber, so long as chamber is at least 25m x 25m x 10m. Walls, ceiling, and floor are to be reinforced with steel plate at least 14 cm thick, and two heavy machine gun emplacements must be trained on the creature continuously. Any significantly anomalous behavior is to be met with sustained machine gun fire, which is to continue until SCP-517 is unconscious. The creature will become agitated and begin to damage its container if it is not given at least 60 kg fresh meat daily. It is not affected by dehydration, hypoxia, temperature extremes, insomnia, electrical current, or any known toxin or biological agent. It can be subdued only by massive crani