Xu Yan was listening intently to the Thousand Illusionary Demon Tunes, perceiving the power within them. The clear flute music seemed to pierce directly into one's heart and soul, infiltrating the body.
It felt as though the beating of the heart and the sound of the flute were merging together, creating the sensation that if the flute were to stop, the heart would also cease to beat.
Those who heard the flute music became mentally disordered, with illusions appearing before their eyes.
It was as if the music amplified certain latent thoughts within one's heart, forming illusions.
"This kind of sonic killing art is somewhat special and difficult to defend against; those with weak strength, once they hear it, will fall into it and be unable to extricate themselves."
Xu Yan felt he had gained some insight.
