SCP-472: The blood stone

SCP-472 is to be kept in the center of an empty and locked 37m x 37m (122 x 122 ft) cell. All personnel wishing to enter for research purposes must undergo a psychological evaluation and submit a request for research before being allowed entry. Personnel should not stay within 60 feet (18 m) of the stone for more than five (5) minutes without being directly monitored by security personnel.