This section modifies existing section 9A.84.010. Here is the modified chapter for context.
A person is guilty of the crime of criminal mischief if, acting with three or more other persons, he or she :
Knowingly and unlawfully uses or threatens to use force, or in any way participates in the use of such force, against any other person or against property**; or**
Openly carries or displays a deadly weapon in a manner that would lead a reasonable person to feel threatened.
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Except as provided in (b) of this subsection, the crime of criminal mischief is a gross misdemeanor.
The crime of criminal mischief is a class C felony if the actor is armed with a deadly weapon.