Closed-Door Comprehension, Immortal Clan Descendants, Guixu Secret Realm

"Brother, what surprise?"

Xiao Yan could not help asking.

"I'll keep it secret for now. You'll know once your transformation is complete."

Lu Qing kept her in suspense, then took out a jade bottle as well.

"After refining the Profound Ice Cold Flame into your natal Spirit Fire, your body will be nourished by it. This transformation should last quite some time.

Once your transformation is over, you can try refining the primordial blood in this jade bottle to strengthen your physical body.

The stronger your body, the deeper and more formidable the spiritual power it can bear. That is an immutable truth.

By then, your foundation will naturally be exceptionally solid, and when you face the Nascent Soul Tribulation in the future, it will be much easier.

As for the key to refining primordial blood, you should have heard it yesterday at Master's place, right?"

"Mhm, Xiao Yan knows. Primordial blood contains Baleful Qi, so it must be refined according to one's capacity." Xiao Yan nodded.

"It's good that you remember. I still have quite a bit of primordial blood here. When the time comes, you can refine it together with Sister Han, so she won't feel embarrassed about accepting these spiritual items."

Lu Qing was still deeply grateful to Han Lingbai.

She had set aside Cold Water Palace's affairs and spent years accompanying Xiao Yan on Holy Mountain, greatly slowing the rate at which Xiao Yan's temperament was being affected by her cultivation technique.

Lu Qing would certainly repay this favor.

But he also knew that Han Lingbai probably would not like them being overly polite, so it was best to let Xiao Yan handle this matter.

"I understand, Brother." Xiao Yan nodded earnestly.

"Alright, cultivate first. You've just refined the Profound Ice Cold Flame into your natal