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Xi Suo followed Yao Lao's footsteps and entered Yao Lao's room.

"The elixir I asked you to refine last time was a bit difficult, so this time I'll change to a lower-level elixir. You can refine any low-level elixir, but my requirements are not that low. I want you to keep practicing and refine the best low-level elixir." Yao Lao sat on the stool and said, "Don't you want to refine the three-line elixir? Go and refine it quickly. I'll watch you here."

When Xi Suo heard what Yao Lao said, his expression changed slightly and he said, “Master, I haven’t succeeded in refining the Three-Pattern Pill yet, so I can’t do it now.”

"Failed to refine it? You didn't succeed in refining the Three-Line Pill?" Yao Lao looked at Xi Suo.

"Well, I don't know if it's because I was too eager, I made a mistake when refining the Three-Striped Pill." Xi Suo nodded and said, "Master, if you think refining the Three-Striped Pill is not suitable, then let's try another one."

"No, just refine it according to the original plan!" Yao Lao said, "You have to know that if you can't even refine a three-line pill, how can you refine higher-level pills later?"

"I understand." Xi Suo nodded in agreement.

……

After Yao Lao finished speaking, he picked up a pen, wrote the name of the medicinal material on a piece of paper, and handed it to Xi Suo.

"Please keep the recipe. The herbs and the medicine cauldron are here. You can use them as you see fit." Yao Lao handed the paper to Xi Suo and continued, "Also, the time for refining the medicine cannot be advanced, otherwise the efficacy of the medicine will be greatly lost. Do you understand?"

"I understand, Master." Hisoka nodded and said.

Xi Suo walked to the medicine cauldron and looked at it for a while. The cauldron was not big, about three meters long, black all over, and looked very ordinary.

"Master, are we going to use this medicine cauldron?" Xiso turned to ask Yao Lao, who nodded.

Xi Suo stretched out his right hand and gently touched the medicine cauldron. The cauldron made a buzzing sound, and Xi Suo felt a strong recoil force coming over.

Xi Suo immediately retreated to the side of the medicine cauldron, placed his right hand on it, then closed his eyes, concentrated his attention, began to control the cauldron, and started to refine the pill.

Xi Suo's consciousness entered the medicine cauldron, and he began to examine it carefully. There were many impurities inside the cauldron, and these impurities affected the cauldron.

Xi Suo probed his consciousness into the medicine cauldron and carefully observed the situation inside.

After a few minutes, Xi Suo introduced the medicinal materials into the medicine cauldron.

His hands gently stroked the surface of the medicine cauldron, and the impurities inside the cauldron gradually dissipated.

Then, the spiritual energy inside the medicine cauldron began to gather slowly, and eventually formed liquid spiritual energy. Hisoka continued to control the medicine cauldron, and the cauldron began to rotate, continuously expelling the spiritual energy.

Xiso began to refine medicinal materials, and the medicine cauldron began to rotate slowly. Spiritual energy was continuously discharged from the inside of the cauldron. Xiso had been constantly controlling the rotation of the cauldron, and spiritual energy continued to flow into the cauldron, expelling the impurities inside the cauldron.

"Calm down and control the heat." Yao Lao reminded.

Xi Suo opened his eyes, looked to the side, and then shifted his sight to the medicine cauldron, the medicine in the cauldron continued to pour into it.

Chapter 632: Refining the Alchemy Again and Again

Xi Suo continued to control the medicine cauldron.

"Not bad." Yao Lao nodded with satisfaction and said.

"Then I will continue refining it." Xi Suo said.

"Go." Yao Lao waved his hand, signaling Xiso to start refining.

Next, Hisoka's mind was completely immersed in the medicine cauldron, and he concentrated on controlling the spiritual energy inside the cauldron.

"Huh~" Xi Suo let out a long sigh. This round of training lasted for half the night.

Xi Suo stopped, rubbed his tired arms, took out the cauldron from the storage ring, and began to refine the elixir. Medicinal herbs were thrown into the cauldron one by one, and the herbs continued to melt. However, the spiritual energy in the cauldron became less and less, and eventually it was exhausted.

"Okay." Xi Suo opened the lid of the alchemy furnace and said.

Yao Lao saw the color of the pill, nodded with satisfaction, and said, "You have made some progress this time."

"Thank you for the compliment, Master." Hisoka said with a smile.

Yao Lao stood up and said, "Okay, you can take a rest."

"Master, I will go back then."

"Yeah." Yao Lao nodded.

Xi Suo left Yao Lao's room, returned to his own room and began to rest. The fragrance of medicine emerged in his mind, and his body began to become restless, constantly absorbing the fragrance of medicine. The meridians inside his body began to function, and the vital energy in his dantian began to flow. His body began to gain strength, and his skin began to darken.

"Huh~" Hisoka took a deep breath, feeling the surging power in his body, and said, "It seems that my body is much stronger than before!"

Xi Suo felt his body, then lay down on the bed and began to rest. His sleep was not long, only about ten minutes. He opened his eyes again and began to refine the pill for the second time.

Xi Suo refined the medicine nine times in total. The inside of his medicine cauldron was already empty, the spiritual energy in the cauldron was also consumed, and the cauldron became dim.

Xi Suo reached out and touched the medicine cauldron and found that it had returned to normal.

"I have to work hard to improve my strength. I must become stronger." Hisoka thought secretly.

"Boom boom boom~" Hisoka's heartbeat began to beat rapidly. Hisoka knew that his current strength was far from enough. He needed to practice, and he needed to practice non-stop.

He started to refine the pill for the third time. It took him more than two hours to refine the pill for the third time, and then he spent another day to stabilize the quality of the pill.

The fourth time, the fifth time, the sixth time, the seventh time...

A week passed quickly, and during this time Xi Suo was busy refining pills.

There was not much spiritual energy left in the medicine cauldron, so Xi Suo transferred all of the spiritual energy in the medicine cauldron into the medicine cauldron, allowing the medicine cauldron to return to its original state.

"The effect of refining medicine this time is really poor. The spiritual energy of the medicine cauldron has been consumed a lot." Xiso shook his head and put the medicine cauldron into the storage ring.

The eighth time, the ninth time...

For the 1,500th time, Xi Suo finally reached his limit. The spiritual energy in the medicine cauldron had completely dried up. He tried again to refine the tenth pill, but the result was still unsatisfactory.

"It seems that this weapon refining is too difficult." Xi Suo sighed.

The tenth pill failed, and a look of frustration appeared on Hisoka's face, his mood becoming low.

"I can't practice anymore." Xi Suo sighed.

Just at this moment, there was a knock on the door.

Chapter 633: Yao Lao takes Xi Suo to a fun place

"Who?" asked Hisoka.

"It's me, kid, come out." Yao Lao's voice came from outside.

"Okay." Xi Suo responded and walked out.

"Master, what do you want to talk to me about?" Xi Suo walked up to Yao Lao.

"You kid, I drank all the pills you made. I haven't eaten anything in the past few days, and the glutton in my stomach is starving to death." said Yao Lao.

"Haha, Master, you are so funny." After hearing this, Hisoka couldn't help but burst into laughter.

Yao Lao glared at Xi Suo and said, "I'm serious."

"Master, this..." Xi Suo scratched his head, and then said, "Master, in fact, the pills I refined still have some flaws, but don't worry, I will definitely work hard to correct them, and I will never dare to be lazy in the future."

"Okay, okay, stop talking nonsense and come downstairs with me to have dinner, otherwise your senior brothers and sisters will cause trouble for you again." said Yao Lao.

"Oh." Xi Suo nodded, followed Yao Lao out of the room and walked downstairs.

After going downstairs, Xi Suo saw a table of delicious food, and couldn't help swallowing his saliva and said, "Master, where are we going?"

Yao Lao said, "I'll take you to a fun place."

"A fun place?" Hisoka asked doubtfully.

Yao Lao nodded and said, "That's right."

"What fun place?" Xi Suo asked puzzledly. He didn't know the way, so he didn't understand where this fun place was.

Yao Lao said: "You will know in a moment."

Xi Suo nodded. He knew that Yao Lao would not harm him. Since Yao Lao was unwilling to reveal anything, he did not ask any more questions. They would soon reach their destination anyway.

"Master, where is this place?" Hisoka asked puzzledly as he looked at the endless forest around him. He looked around but did not find any traces of buildings. It seemed as if this place did not exist.

"Just follow me and you'll find out." said Yao Lao.

"Yeah." Xi Suo nodded and followed Yao Lao.

"Swoosh~" Yao Lao soared into the air and flew away.

"Swoosh~" Hisoka followed closely behind, and the two flew towards the depths of the forest one after the other.

"Boom~" Yao Lao landed on a mountain that was towering into the clouds. The mountain was tens of thousands of meters high and the whole mountain was shrouded in rich spiritual energy. The spiritual energy filled the entire mountain. In the fragrance of medicine, the spiritual medicine exuded vitality. Yao Lao's eyebrows raised slightly, revealing an expression of enjoyment.

"Master, why are you here?" Xi Suo asked puzzledly.

Yao Lao turned his head and looked at Xi Suo, then said, "Please sit down and wait for me. Once I have collected all the spiritual herbs in this forest, we will leave."

Xi Suo sat next to Yao Lao in confusion. Not long after, he saw Yao Lao's figure rushing in another direction like lightning and soon disappeared.

Precious spiritual herbs were pulled out from the mountain peak and put into Yao Lao's pocket.

Xi Suo watched from the side. These precious spiritual herbs were of no use to him, but it was different for Yao Lao. Yao Lao had to use a lot of spirit stones to buy rare spiritual herbs every day, so these rare spiritual herbs were very important to him.

However, although the spiritual energy here is abundant, the medicinal materials are too few. This time, Yao Lao only collected more than half.

Chapter 634: Collecting Ziwei Lingzhi

At this time, Yao Lao already felt that his body could not take it anymore, but he still insisted on continuing to dig. These rare spiritual herbs might be just a drop in the bucket for Yao Lao, but to him, they were very precious. He did not want to give up, so he continued to dig.

"boom."

Suddenly, Yao Lao kicked the stone slab under his feet and broke it. After the stone slab broke, a thick smoke rose up. In the thick smoke, a huge towering ancient tree appeared in Yao Lao's sight.

At the top of the towering ancient tree, there are three golden flowers. The color of the flowers is purple and looks very beautiful.

"What kind of flower is this? Why does it look so peculiar?" Yao Lao looked at the three purple flowers on the towering ancient tree and muttered to himself in confusion.

Yao Lao reached out and picked a flower, put it under his nose and sniffed it. Suddenly, a refreshing fragrance came into his mind.

"This smell..." Yao Lao frowned and began to think.

"This is a very rare spiritual plant called Lagerstroemia indica." Yao Lao suddenly said.

"What? Ziwei Lingzhi, Master, are you sure?" Xi Suo's face showed surprise.

Crape Myrtle Ganoderma is the rarest of all spiritual plants. It not only has miraculous effects in treating internal injuries, but can also replenish the inner breath of monks. It is a very rare spiritual plant. It is said that this Crape Myrtle Ganoderma only grows in places with extremely thin spiritual energy. It is generally difficult to find. Moreover, this Crape Myrtle Ganoderma is rare and almost does not exist in this world. You can only occasionally see its name in some ancient books.

Yao Lao smiled and said, "You didn't lie to me. It is indeed Ziwei Lingzhi."

"This is such a coincidence." Xi Suo said excitedly, "Master, what should we do now?"

Yao Lao said: "Of course, pick these crape myrtle and ganoderma."

Xi Suo said: "This is an extremely precious elixir!"

"Precious?" Yao Lao sneered, "For people like us, these things are not precious at all. Moreover, these things are only temporary. After tonight, these things will become our wealth."

"Master is right." Xi Suo said quickly.

This time Xi Suo followed Yao Lao here, not only to pick spiritual herbs for Medicine King Valley, but the main reason was that he wanted to experience the taste of Lagerstroemia indica.

Yao Lao was right, the taste of Crape Myrtle and Ganoderma Lucidum was indeed precious, but it was not priceless.

There are many medicinal herbs in the forest, among which there are several kinds of magical medicines with very strong medicinal properties. These herbs are deadly poisons to the medicine boys in Medicine King Valley. Once these herbs are taken, the patient will die immediately.

The medicinal herbs in the forest basically have this special medicinal effect, but these herbs do not have the magical effect of Crape Myrtle and Ganoderma Lucidum. After picking a few herbs, Yao Lao stopped picking. He stopped picking, and Xi Suo also stopped picking.

"Let's go! Go and take a look." said Yao Lao.

There are many extremely precious medicinal herbs in the medicine garden, but Yao Lao did not pick them. Instead, he went directly to the Lingquan Pond in the medicine garden.

The area around the Lingquan Pool is full of various spiritual herbs.

Yao Lao's expression became solemn, and a hint of joy appeared on his face.

These herbs are exactly the crape myrtle and ganoderma. Although these herbs are precious, they can be used to refine pills.

Chapter 635: Hisoka Absorbs the Ziwei Lingzhi

Yao Lao squatted down and began to pick Ganoderma lucidum.

One by one, no less than five hundred spiritual medicines were planted in Yaowang Valley. There was also a small river flowing beside the spiritual spring, which continuously injected spiritual spring water, making the spiritual spring water more abundant.

Not long after, Yao Lao had a lot more Ganoderma lucidum in his hands. The grades of these Ganoderma lucidum were all above level six, and some even reached level seven, but the age of these Ganoderma lucidum was not high.

"Crape Myrtle Ganoderma has excellent healing effects, but it also has extremely strong side effects. If you take just a little bit, your body will explode and die immediately. Moreover, this side effect will also cause great harm to you." Yao Lao said.