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"After all, a level one Soul Forging cultivator is just an ordinary person, and only needs a level four gene optimization fluid."

"Is the level 5 gene optimization fluid here expensive?" Su Fan asked.

"It's very expensive for ordinary people!" Lingzhu smiled bitterly.

"I'm doing this here, not only for my family, but also to save money to buy the Level 5 Gene Optimization Fluid."

"How much?" Su Fan asked curiously.

"The fifth-level gene optimization liquid is a fourth-level spiritual item, and it sells for 1 spiritual cores on the fourth floor of Juque Treasure Tower!" Lingzhu sighed.

"So how long does it take you to receive one person at a time, one spirit core at a time?" Su Fan asked.

"With the status of a third-class, third-level wine pourer, don't even think about accumulating enough." Lingzhu picked up another glass on the table, poured a glass of wine, and drank it in one gulp.

"Usually, with household expenses, my cultivation expenses, and the mortgage, even if I try to save as much as possible, maybe I can save enough in a few thousand years!"

"There are many wine waiters in Xianlin Pavilion, but we don't receive customers every day. On average, I only receive one customer every three days. If I want to make money quickly, I must upgrade!" Lingzhu had a few drops of wine hanging on his mouth, and tears seemed to be brewing in his eyes.

"Upgrade? From level 3 to level 2, or even level 1?" Su Fan glanced at the spirit beads. "Are you planning to sell them all?"

"Well, I'm a virgin now, so I can usually be sold for a good price." Lingzhu glanced at Su Fan with expectation and hesitation in her eyes.

"A second-level wine pourer can earn 200 spirit cores per customer and receive a 500% commission. A third-level wine pourer can earn spirit cores per customer and receive a % commission."

"And the first time, you can sell 1000 spirit cores! And all the money will belong to me. Xianlin Pavilion won't take a penny!"

"This is your first time, can you guarantee it's genuine? Nowadays, technology is advanced, and repairing a membrane is very easy." Su Fan said with a smile.

"Xianlin Pavilion has its own testing methods, and Juque Palace also has a special testing agency. They don't test that layer of membrane, but conduct deeper testing to ensure absolute authenticity. Xianlin Pavilion can't possibly damage its brand because of this!" Lingzhu said seriously.

"Okay!" Su Fan smiled, "Tell me the price range of the treasures on the other floors of the Juque Treasure House."

Seeing that Su Fan didn't care much, Lingzhu showed a little disappointment in his eyes, but he still said respectfully: "Sir, the fourth to sixth level spiritual objects on the fourth to sixth floors of the Juque Treasure Tower are settled using spiritual cores."

“四层宝物的价格区间为1万灵核到10万灵核，五楼宝物的价格区间为10万灵核到100万灵核，六楼宝物的价格区间为100万灵核到1亿灵核。”

Su Fan nodded after hearing this.

"The seventh to ninth level treasures on the seventh to ninth floors are settled using spiritual energy." Lingzhu continued.

"What is spiritual source?" Su Fan asked puzzledly.

……

"Spiritual source, an energy that is higher than the spiritual core." Lingzhu glanced at Su Fan, but she had seen this situation many times, and many outsiders did not understand this basic information.

"Spiritual Source usually appears inside the Spirit Core. Only very large planetary-level Spirit Stone veins can produce even a small amount of Spiritual Source."

"According to popular folklore, a huge planet-level spirit stone vein will generate high-intensity pressure on the interior, causing the spirit core to form. If the pressure reaches a certain level, the innermost part of the spirit core will liquefy, and then produce spirit source liquid."

"Spiritual Source Liquid is the spiritual source I was talking about." Lingzhu said sweetly, and poured another glass of wine for Su Fan.

"Of course, this is just a popular saying among the people. The real reasons and rules for its formation are not understood by ordinary people like us."

"So that's it!" Su Fan nodded, took the wine glass and drank it all in one gulp!

"What is the exchange rate between Spiritual Source and Spiritual Core?"

"One drop of spiritual source can be exchanged for one million spiritual cores!" Lingzhu sighed.

"What a great exchange rate!" Su Fan exclaimed. "Can you continue to tell me about the prices on the seventh to ninth floors?"

"The seventh to ninth floors are not open every day, and the trading model is different from the first to sixth floors." Lingzhu said sweetly.

"The seventh floor holds an auction every month, selling seventh-level spiritual objects; the eighth floor holds an auction every year, selling eighth-level spiritual objects; the ninth floor holds an auction every five to ten years, selling ninth-level spiritual objects."