SCP-3939 is an Esoteric Class anomaly also known as The Pattern Screamer. SCP-3930 is a static void located within a 1km perimeter near Usinsk, Russia established by Soviet scientists in the early 1970s. SCP 3930 does not emit or absorb light or sound, does not have shape or texture, cannot be passed through, cannot be interacted with, cannot be manipulated in any way, and has no dimension. Through extensive testing using a variety of techniques, Foundation researchers have been able to certify