Why?

He clearly skipped that part of the plot.

Moreover, Xiao Ba also said during the examination that there was no possibility that Gu Xingyun would turn evil.

He just brought people down the mountain to help get rid of a monster. Why did a good disciple become a demon cultivator?

After the Lingxu Mirror absorbed the remaining demonic energy in the cave, it slowly floated in front of Gu Xingyun, and he put it away slowly.

Yan Huailiu only felt a flash of light passing before his eyes, but when he squinted his eyes to see, he found nothing.

"Did you take anything?"

Gu Xingyun ignored his question, but just felt the almost uncontrollable power in his body and clenched his fists.

"Master, why are you so surprised? Wasn't that Demon Cultivation Heart Sutra written by Master himself for your disciple?"

Yan Huailiu's mind suddenly buzzed, his eyes suddenly widened, and the sounds around him seemed to disappear completely.

It felt like a century had passed before he trembled and asked, "What did you say?"

Gu Xingyun lowered his head, looking at his hands wrapped in demonic energy, with an expression that seemed to be a smile.

"I am stupid. I have been practicing according to the orthodox method of Yuxu Sect, using spiritual energy to guide the flow. No wonder I haven't made any progress after practicing for so long."

"No wonder I always feel uncomfortable when practicing. It turns out I'm using the wrong method."

He looked up at Yan Huailiu, as if he was about to burst into tears in the next second.

A flash of lightning split the cave, and in the violent shaking, Yan Huailiu saw the expression on Gu Xingyun's face with the help of the light.

The questioning words rushed into my ears the moment the thunder stopped: "What did I do wrong? Why would Master abandon me in such a roundabout way?"