Per 
Item #: SCP-4021
Object Class: Keter
Special Containment Procedures: SCP-9431 is to be contained in a pressurised room of 20 Pa so it cannot move freely, 2 meters of concrete lined with 10 cms of titanium and tungsten to reinforce it. There are to be 10 security cameras watching it at all times with a minimum of 8 cameras being used, 10 MTF personal must be on site guarding SCP-9431. Physical contact is restricted to L4+ and any tests must be supervised by at least 2 L4+ or 1 L5+.
Any unauthorised personnel that have come in contact with SCP-9431 in the last week must be contained in a room lined with steel and 1 metre of concrete and must go under extensive background checks for any anomalies.
Description: SCP-4021 in its general form is a 1 by 1 metre cube of metal made out of zinc and other unidentified materials. It can change into any shape in within 10 seconds and is known to have long periods of inactivity and short periods of activity. Although SCP-9431 is a generally peaceful object there have been reported cases of violent outbursts at times and in one case █ Class-Ds were supposedly '████████' by SCP-9431.
Discovery
SCP-9431 was found inside of a ██████ after it was removed from the ██████ it was taken to Site-███ where it was stored in an unused containment room where it stayed inactive for ██████ ███. On █/██/███ strange noises were reported coming from inside the containment chamber, when 2 MTF personnel entered the room they were meet with the SCP in the form of a large medieval style battering ram, they both fired at the SCP to no effect. After backup was called to SCP-4021's chamber the SCP was inactive and inanimate by then, it was relocated to a more secure containment chamber.
