。 The materials for refining the Purple Mansion Pill are still missing a piece of Purple Gold Spirit Jade, if he gets the Purple Gold Spirit Jade, Tang Zheng can open the furnace for alchemy.

Wang Chen's face sank slightly, and he said:

"Purple gold spirit jade, this is the best metallic jade, and the entire Liangzhou produces only seven or eight pieces a year."

"Ask the general to cut his love, the price is easy to say."

Tang Zheng is not bad for money.

Wang Chen laughed and said:

"Who scarces your money, just let me give you a piece!"

Hearing this, Tang Zheng was overjoyed, and immediately bent down to thank him, and said:

"Thank you, General, for your generosity."

Wang Chen nodded slightly, took out a jade box from the treasury and handed it to Tang Zheng, Tang Zheng thanked him again and again, and stayed in the General's Mansion that night.

Tang Zheng seemed to be bathed in the golden sea, he looked at the jade box, and saw a piece of jade lying in the box, the whole body was golden, but occasionally a trace of purple qi would pass, and the light was extremely dazzling.

The materials for refining Zifu Dan, Tang Zheng finally gathered, he rubbed his palms, his heart was full of excitement, and immediately sacrificed the Nuwa Divine Furnace, and then played a wisp of the Northern Darkness Cold Fire into it, and opened the furnace in the room.

Tang Zheng took out the "Dong Xuandan Book" and first reviewed the refining method of Zifu Dan again.

"Dong Xuandan Book" was written by Liu Guying, a medicine slave in Yingzhou, who was trapped to death by Shen Yanran's "Thousand Ice and Ten Thousand Snow Sword" in the Chiyue Desert, and passed the book to Tang Zheng before his death.

Thinking of Liu Guying, Tang Zheng thought of Shen Yanran, he buried Shen Yanran alive today, which can be regarded as revenge for Liu Guying, right?

But Liu Guying, as a medicine slave in Yingzhou, cared for Shen Yanran very much, and even at the moment of death, he did not resent Shen Yanran.

However, Liu Guying is so loyal, it must be the same as Feng Chaying, and he was also corrupted by the infatuated erysipelas, and the guide lost himself and became a dog of Shen Lu.

Tang Zheng's mind was wandering for a while, and at this time, the Nuwa furnace was also heating up, his heart was in a hurry, and he quickly gathered his mind, eliminated distracting thoughts, and began to refine Zifu Dan.

Purple Gold Spirit Jade, Taiyi Immortal Wood, Red Flame Ghost Vine, Earth Demon Stone, Tang Zheng first threw these four materials into the furnace, and then burned them with a fierce fire.

Soon, the material began to decompose, and wisps of aura permeated the room.

Tang Zheng took out a water hyacinth, uncorked the bottle, and then sprinkled three drops of water into the stove, this water hyacinth was given to him by Tang Xianxia, it contained Tianyi divine water, the dripping water was as heavy as iron, and as soon as it fell into the furnace, it steamed, and the rich decay water filled the furnace, and the whole furnace quickly cooled down.

Tang Zheng waited until the temperature dropped, and then burned it again, constantly refining the dregs of the material and refining the aura in it.

The five materials represent the five kinds of heaven and earth aura, namely Gengjin, Yimu, Decanate, Binghuo, and Wutu, and the qi of the five elements is constantly drumming, whirring, and the furnace is shaking slightly, as if it will tip over at any time.

Tang Zheng stabilized the furnace, then pulled out the five elements of spiritual energy, fused them together, and gradually, the prototype of a pill appeared, and under the scorching of Tang Zheng's flames, the pill slowly solidified, exuding bursts of medicinal fragrance.