"I suspect 'It' is the entity deep within the mist. When 'It' moves, the contamination spreads in the form of mist, radiating outward from its center, creating a domain similar to light... but this domain merges with the mist, so we can't see it. However..."
Lin Yi shuddered, "But, it can be reflected by light in the form of 'waves'!"
"If the campus streetlights are constantly on between 18:00 and the next day 6:00, then the effect of the incandescent lamps is not just to drive away nocturnal species, but also to serve as an alert, warning of 'Its' appearance with flickering lights, displaying 'Its' presence and departure with lights turning on and off!"
"This is a way to visually portray 'Its' movement route without having to face the danger 'It' presents!"
"Moreover, security guards can also use this as a basis for judgment, quickly reaching dark areas!"
"But speaking of which... the security guards should be able to defeat 'It,' right?"
