Gu Xiu

The shrill notes carried the same frequency as soul fluctuations, making the soul beat without cease. It seemed that if the frequency grew any faster, it could shake a person to death alive.

Like the heartbeat, the soul also had its own frequency. Certain drumbeats could resonate with the heart, making it pound violently and filling people with panic. The soul was the same.

Infrasound could shake people to death alive because its frequency resonated with the human soul and shattered it. That was why those killed by infrasound had intact bodies, yet their life auras had completely vanished.

The notes of the demonic flute now seemed to have this effect. Under their influence, everyone felt their souls twisting. One by one, their faces turned pale and breathing became difficult.

"Ah... I can't take it anymore!"

A miserable cry suddenly rang out from the crowd. An old man clutched his hair and tore with all his strength, ripping off a layer of flesh and hair. His eyes rolled back, and he collapsed to the ground. Nie Yun tried to save him, only to discover that he had already stopped breathing, his vitality completely gone.

"He was the ancestor of the Yunxiao Sect. We had known each other for over six thousand years, yet I never thought he would die here..."

Seeing the man go mad and die, Old Drunkard, Xu Yun, and the others all felt the sorrow of the hare dying before the fox, and a wave of desolation swept through them.

"Don't let your thoughts run wild. Guard your hearts and keep your spiritual platforms clear, or no one will be able to save you!"

Seeing everyone sighing in grief, Nie Yun's Immortal Sound rang out as he shouted loudly.

Their souls were already in danger from the