The four of them slowly approached. The only sounds in the room were their footsteps and the strange, mimicked noises coming from the woman's mouth.
As they drew near and got a clear look at the woman's face, twisted like that of a Fierce Ghost, Shen Hong and Peng Lin's breath caught in their throats. Their fists clenched, and their bodies tensed.
Zhao Xuanqi, however, had a look of interest in his eyes.
The Echo Worm was a type of Formless Yin Spirit. After possessing a human, the victim's hearing becomes exceptionally sensitive, and they begin to unconsciously pick up and repeat every surrounding sound, never ceasing for a single moment.
Even locking the person in a completely silent room was useless, as the Echo Worm would also pick up the body's own natural physiological sounds, like the heartbeat and the flow of blood. A truly silent environment was impossible.
