After knowing Yun Lintian's strength, Mo Changfei laughed arrogantly. "Why don't you guess what's my problem?" 

Yun Lintian looked at Mo Changfei as though he had seen an idiot. He touched his chin and looked at Mo Changfei up and down, then said. "Are you impotent?" 

Mo Changfei was slightly stunned. It wasn't only him; Chu Heng and his parents were also stunned by Yun Lintian's remark. 

Mo Changfei instantly got angry. "Bastard! You don't want to live anymore!?" In fact, Yun Lintian was on point. He was indeed impotent. It was because of the profound art he was practicing.

Yun Lintian chuckled. "It seems I am correct." Before Mo Changfei could launch an attack at him, Yun Lintian said further. "I can cure your illness. Do you want to try it?"

Mo Changfei, who had gathered his profound energy, was taken aback and looked at Yun Lintian questioningly. 

Yun Lintian smiled and said, "If I'm not mistaken, your illness should come from the profound art you are currently practicing. Am I correct?" Seeing Mo Changfei silent, he said further. "You have a water-based Profound Vein which is suitable to practice Yin-related profound art. However, since you started practicing this profound art, your body gradually turns cold every day, and the thing between your legs has slowly lost its function. When you've realized this, it's already too late to go back."

Mo Changfei had lost his momentum as the profound energy within his hand had dissipated entirely. He asked uncertainly, "H… how did you know?"

"I am a doctor. Whether you believe me or not, curing your current illness is as easy as flipping my hand. How about it? Do you want to try?" Yun Lintian shrugged his shoulders.

Mo Changfei went silent once again. He was convinced Yun Lintian could cure him since he could identify his illness accurately. Ten years ago, Hei Fu gave him the profound art called 'Freezing Wind', and since he started practicing it, his body gradually turned cold, as Yun Lintian said, and became impotent later.

He struggled for a while before asking hesitantly. "C-can you help me?" 

After saying this, Mo Changfei was embarrassed as he came here to make trouble on these people, but how come he ended up asking Yun Lintian for help instead. However, which man doesn't want healthy manhood? It had been several years since he tasted happiness from the combination of Yin and Yang. When the opportunity for regaining his manhood's ability had appeared in front of him, how could he not tempt?

"Sure. Sit here." Yun Lintian accepted Mo Changfei's request and pulled the chair for him.

Chu Heng and his parents were dumbfounded by the development. This was clearly out of the script… Shouldn't they fight each other? 

Mo Changfei sat on the chair, facing Yun Lintian. Suddenly, he saw several silver needles appeared in Yun Lintian's hands, and before he could say anything, all the silver needles were already pinned on his body. The speed of Yun Lintian's hands caused everyone in the room to look at him in shock. Now, they were thoroughly convinced Yun Lintian was a real doctor.

"Relax. Don't circulate your profound energy during this period. Otherwise, your Profound Vein could break at any time." Yun Lintian said and calmly injected a trace of his profound energy through all the silver needles.

Mo Changfei hesitated briefly. He knew his life was in Yun Lintian's hands at this moment. If Yun Lintian wanted to kill him, he could simply do it by breaking his heart's vein. However, for some reason, he believed Yun Lintian didn't lie to him. Thinking of this, his body soon relaxed, letting Yun Lintian's profound energy travel within his body freely.

A moment later, a cold mist slowly expelled from Mo Changfei's body through the silver needles. Mo Changfei could feel his body gradually warmed up — his blood circulation had become smoother. 

Mo Changfei looked at the man in front of him with gratitude. Without a doubt, Yun Lintian did cure him as he said. 

A while later, Yun Lintian retrieved all the silver needles back and said, "Congratulations. You will regain your ability in a week."

Mo Changfei abruptly stood up and said excitedly, "Thank you, Young Doctor!"

Yun Lintian waved his hand and said, "Now I've cured your illness. How are you going to repay me?"

Mo Changfei calmed down and said, "If Young Doctor needs anything, just say it. I'll try to satisfy your request."

Yun Lintian sat on the chair nearby and said, "Why don't you tell me more about your master, that bald guy?"

Hearing this, Mo Changfei became hesitant. One was his master, and another was his benefactor. He was in a dilemma.

Yun Lintian didn't expect this Mo Changfei could be this loyal. He said, "If I guess correctly, he is the one who gave you the profound art, right?"

Mo Changfei gave the nod in reply and vaguely felt something was not right.

"Don't you know, that profound vein is incomplete? I guess he doesn't want you to become powerful and deliberately take some parts of the profound art out before giving it to you." Yun Lintian expressed his analysis. It was understandable. The bald man didn't want his underlings to get stronger than him for fear he could not control them.

Although Mo Changfei was arrogant, he wasn't a complete idiot. He understood everything instantly… No wonder there are so many missing details in the book, and all of them seem to be a crucial part. He recalled when he first received the profound art book from Hei Fu and found there were many details gone missing.

Realizing this, Mo Changfei did not hesitate anymore. He cupped his fists to everyone and said, "First, I want to apologize for offending everyone here. I know I'm a bastard. I'll try my best to compensate everyone later."

Chu Heng and his parents glanced at each other in amazement. They didn't expect this famous arrogant Mo Changfei had actually said this. Why did everything turn out unexpectedly like this? Was this the legendary 'Treat your enemy with kindness'?