Xu Yan was listening to the Thousand Illusions Demonic Sound and comprehending the power within it. The crisp flute notes seemed to barge directly into a person's mind and seep into their body.
His heartbeat and the flute notes seemed about to merge, giving him the feeling that if the flute stopped, his heart would stop beating as well.
Those who heard the flute became mentally disordered, and illusions appeared before their eyes.
It also seemed to magnify certain thoughts hidden deep within their hearts, turning them into illusions.
"This Sound Killing Technique is rather special and difficult to resist. Once someone weak hears it, they'll sink into it and be unable to escape."
Xu Yan felt that he had gained some understanding.
"So this is what the Thousand Illusions Demonic Sound is. It does have some profundity, but it's just too weak. I wonder whether the technique itself is weak, or whether the opponent's strength is lacking?"
Xu Yan was puzzled. The Sound Killing Technique he had comprehended should have been overwhelmingly powerful, capable of directly shaking an enemy to death. It ought to have been a formidable killing technique.
Yet the Thousand Illusions Demonic Sound was nowhere near as powerful as he had expected.
He did not even need to deliberately defend against it. To his ears, the Thousand Illusions Demonic Sound was merely an ordinary tune and could not interfere with him in the slightest.
Du Yuying's voice came from beside him, and Xu Yan immediately brightened. He had obtained three more Seventh-grade Spiritual Medicines.
He glanced at Du Yuying. Her fair face was already flushed, and her eyes had grown hazy as she was about to fall into an illusion.
Still, she was struggling to hold on.
"She's rather impressive. With Third-grade strength, she can actually