Item #: SCP-186-ARC Object Class: Euclid Special Containment Procedures: SCP-186-ARC is contained in a double-walled chamber that must be kept in complete darkness at all times. Entry to SCP-186-ARC's chamber is only possible via a two-stage blast door which opens only when a state of absolute darkness is confirmed by photographic sensors. No light-emitting devices are allowed within the inner chamber. Examination of SCP-186-ARC may only be performed with prior permission from at least two (2) Level 3 personnel, and may only take the form of somatosensory observation or MRI scanning. Dr. █████