[Detected non-typical low-frequency noise]
A crimson warning surfaced on the power exoskeleton display screen, causing Hansel, who was operating the Gatling gun, to pause momentarily,
One thought, and the onboard chip converted the low-frequency noise into a visually interpretable sound wave graph, projected onto the inside of the helmet display.
Sound wave, 19 Hz, with a wavelength of 150 meters, filled the entire view.
The floors, walls, ceilings, and even the courtyard night sky outside the stained glass—all of Demon City resonated in harmony.
Other players sensed it too, but were too occupied to divert their attention. Midnight Dad was maneuvering voodoo dolls with Ω, exchanging injury for injury;
The Wolf Mad Demon Axe was embedded in the chest of Wanli Sealed Blade, and the Fenrir Wolf Bite special effect was activated, gnawing at Brother Blade's organs;
