The flute's notes were soft and soothing, imparting a lilting serenity that quieted the heart. The strings, however, surged with passion, rushing into the ears like the raging currents of a mighty river.
Listening to the two instruments, Qin Fengming sensed nothing particularly unusual.
Yet the instant their sounds reached his ears, he immediately activated several incantations to shield his mind.
The music produced by those two female cultivators certainly was not merely accompaniment for the four towering figures. Some danger surely lurked within it.
Qin Fengming was himself an expert in sonic attacks. He had always been the one unleashing them against his enemies; how could he let sound waves unsettle his own mind?
Although the runic incantations he employed did not counter offensive power, with them shielding his mind, he was confident that even a Mahayana cultivator's sonic assault might not easily break through his defenses.
Just as Qin Fengming grew wary and activated his defensive arts, an indescribable wave of sound abruptly rang out through the vast cavern.
It was a kind of sound wave that even Qin Fengming could not describe. At first hearing, it felt as though countless ants and insects had invaded his mind, while immensely turbulent waves of sound flooded the depths of his consciousness.
Strange, indescribable fluctuations that eroded Qin Fengming's awareness swirled around his body, seemingly intent on gnawing away every last bit of his strength.
This was a sonic attack Qin Fengming had neither encountered nor heard of before. Had he not deployed his defenses in advance, had these sound waves abruptly invaded his mind, he was certain there would have been a seventy to eighty percent chance of his consciousness falling under their control.
But even with his consciousness firmly guarded and his mind shielded, Qin Fengming still felt