688: I don't seem to have these symptoms.

"This..."

You Lin immediately looked at Su Chen with some embarrassment. Compared to Su Chen, she naturally trusted the Gu Great Master that You Sen had brought back more. Judging from the oppressive aura emanating from him, he was definitely a powerhouse at the Zenith Heaven Golden Immortal level.

Moreover, he wasn't an ordinary Zenith Heaven Golden Immortal; his strength was certainly of the more powerful variety.

In contrast, Su Chen looked far too ordinary.

Aside from being quite good-looking.

Su Chen had a faint smile on his face: "Afflicted by Gu? To even say such things... Gu are objects of extreme Yin. Even if they cannot be detected, using a bit of extreme Yang can force them to reveal themselves."

"Presumptuous!"

The old man behind You Sen suddenly spoke, a cold aura flowing from him as his eyes locked onto Su Chen: "Kid, you are a mere Cultivator of the Profound Immortal Realm, yet you dare to speak recklessly about this seat's judgment. Do you have the qualifications?"

"Among the Dao of Gu, there is an ancient type of Gu. Once it enters a person's body, it merges with their Immortal Qi and continuously absorbs the victim's Immortal Qi and essence blood."

"The symptoms on Family Head You match perfectly. Furthermore, because this Gu is unique and does not belong to the category of Yin and evil things, it's impossible to force it out using extreme Yang."

"Just because you, a junior, are ignorant doesn't mean such a thing doesn't exist."

Seeing that the Gu Great Master seemed a bit angry, You Sen quickly smiled and said: "Great Master, please calm your anger. The world is large, and there are always some people who are full of themselves."

Su Chen didn't bother to pay attention to You Sen. He simply looked at the Gu Great Master with a calm expression, the corners of his mouth curling up slightly:

"The Gu you're talking about is called the Immortal-Devouring Gu, right?"

The Gu Great Master's expression changed instantly, and he looked at Su Chen with a serious gaze.

The Immortal-Devouring Gu was something that had disappeared countless years ago. He had only happened to hear about it from books and learned how to cure it, but how did this kid know about it?

Su Chen continued: "The Immortal-Devouring Gu attaches itself to Immortal Qi. It's equivalent to the possessed person feeling their Immortal Qi becoming sluggish. Surely... the Gu Great Master knows this as well?"

You Sen also seemed to sense that something was unusual and looked silently at the Gu Great Master. However, the Gu Great Master's brow furrowed slightly, but he still nodded.

"That's right."

The Immortal-Devouring Gu indeed had that characteristic—the feeling that one's spiritual power had become sluggish.

Su Chen looked at You Sen again: "In that case, you should know very well whether Family Head You's Immortal Qi has become sluggish or not, shouldn't you?"

This... You Sen's brow furrowed tightly. He thought back carefully; he really hadn't heard the Family Head mention such a thing. He had specifically performed an inspection before, but the Family Head said he didn't feel the slightest discomfort.

That meant the circulation of Immortal Qi shouldn't have been affected.

Seeing that You Sen wasn't speaking, the Gu Great Master suddenly became somewhat annoyed: "Kid, the Immortal-Devouring Gu has its characteristics, but the sluggishness of Immortal Qi is minute and difficult to detect if one isn't paying attention. Perhaps Family Head You simply hasn't realized it yet?"

He still firmly believed it was the Immortal-Devouring Gu and absolutely could not be a curse.

Hearing this, You Sen also nodded, appearing to agree with this explanation.

Su Chen gave a couple of cold laughs and said no more. He simply turned to leave.

"It seems your You Family has no need for me. In that case, I shall take my leave."

Family Head You's condition was definitely a curse; how could he not know that? Since this Gu Great Master was so confident, he would let them mess around.

The Gu Great Master snorted coldly: "Ignorant child."

You Lin was a bit anxious. Although Su Chen looked ordinary, her intuition as a woman told her that Su Chen must have something extraordinary about him. But since You Sen had already made a decision, she didn't quite know what to say.

Several people walked into the depths of the You Family estate.

The Family Head's courtyard.

Family Head You was sitting cross-legged on the ground, his face full of distress. He sighed from time to time; he could clearly sense the Immortal Qi in his body dissipating at a slow rate.

Furthermore, he had tried all sorts of methods, but he simply couldn't stop it from happening.

"Damn it, what on earth is it!"

"Family Head!" A shout suddenly rang out from outside the door.

"The Gu Great Master you requested has arrived."

Family Head You's face brightened with joy, and he quickly sat up: "Quickly, invite him in."

Soon.

Several people walked in. You Sen had a face full of smiles: "Great Master, this is the head of my You Family, You Mo."

The Gu Great Master didn't put on airs. The You Family had offered a generous reward this time, so he naturally had to have a better attitude toward his employer.

"Greetings, Family Head You!"

You Mo had a smile on his face: "Great Master, I've finally been looking forward to your arrival. I've been extremely troubled by the condition of my body these past few days."

You Sen also smiled and followed up: "I told the Great Master about your situation on the way here. It seems the Great Master already knows what kind of Gu you've been afflicted with, and I'm sure this matter will be resolved soon."

"Is that so?"

The smile on You Mo's face grew even wider, and he felt a sense of relief. Could it finally be resolved?

The Gu Great Master nodded with a serious expression: "According to my guess, what Family Head You is afflicted with is the Immortal-Devouring Gu. This Gu attaches itself to Immortal Qi and grows by devouring Immortal Qi and essence blood, eventually draining the Host's essence blood and Immortal Qi completely."

"Yes, yes, yes."

Family Head You was immediately full of pleasant surprise. This matched his situation perfectly; his Immortal Qi would indeed disappear for no apparent reason.

A look of confidence immediately appeared on the Gu Great Master's face: "However, the Immortal-Devouring Gu also has obvious characteristics. Sluggish Immortal Qi is only one; there is also a very important characteristic: the Immortal-Devouring Gu needs to rest every day. Once night falls, it will return to the Host's chest area and stop."

"So you should feel a bit of swelling in your chest every night when darkness falls. This will become more obvious as the Heart-Eroding Gu grows stronger. Judging by the current stage, Family Head You should occasionally feel a bit of stabbing pain in your chest, right?"

You Mo was slightly stunned, then thought deeply for a moment before replying seriously:

"Great Master... I don't seem to have these symptoms."

This business about chest swelling at night and stabbing pain—none of those things had happened to him...