Per 
ITEM# 5221
OBJECT CLASS: Keter
Special Containment Procedures: SCP-5221 is inside a 10-mile containment site, and must be kept in the 10-mile radius at all times. This includes a fake town that stretches for 10 miles. The town must be entered by personnel wearing hazmat suits, due to the infectious habit of SCP-5221.
Description: SCP-5221 is a yellow glowing stone that has the ability to grow stone-like fungi that usually vary in tones of green. this substance is SCP-5221-1. SCP-5221 and SCP-5221-1 have the ability to spread the "RAD-X" virus [SCP-5221-2] The virus has a total of 9 stages.
RAD-1
Incubation.
The incubation of the virus starts in this stage, spreading throughout the body.
RAD-2
Skin changes.
This stage changes the skin tone of the host into green, meaning they are a B variant. Or, yellow AKA A variant.
RAD-3
Anger
The host starts losing their hair, and get angrier.
RAD-4
Marauder
The host still keeps human intelligence but has a form of fertility against non-infected.
It has the ability to command RAD-5 and up instead of RAD-8 and up. The only stage
that can use weapons.
RAD-5
Sapien
Sapiens lose their intelligence of humans, usually wander around SCP-5221-1 or SCP-5221.
They are most likely brain dead. Feral.
RAD-6A
Creeper
Creepers are mutants that have the ability to mimic voices and lure prey to traps. The muscle mass starts to lower, and the body gets weaker. The creeper gets the ability to see well through the dark.
RAD-6B
Hitman
Hitmans start growing tumors over their right or left arm, gaining more strength.
RAD-7A
Leacher
Leachers now grow 2 extra limbs, one is an head and one is an extra arm used as a tail.
They use their new extra arm to climb up walls or flat surfaces.
RAD-7B
Crusher
Crushers are completely brain dead killing machines with hard tumors over their torso and both arms. They now can flip over a car and break any bone they want.
RAD-8A
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This is one of the strongest stages of the virus, allowing them to rip steel and titanium into 2 pieces
and easily rip through concrete. It can vomit out super strong stomach acid that melts through most solid things.
RAD-8B
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This stage is the same, but even stronger than before. It does not vomit acid or have an extra limb. It is the same strength as RAD-8A.
RAD-9
The Beast
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SCP-5221-1 usually grows faster in winter.
[DOCCUMENT CUT DUE TO EXPLICIT INFORMATION]
(this is related to an RP game after the flash and this is not my idea. Enjoy the rad-x virus in scp form
