As soon as he opened it, he was immediately dazzled by the pile of Spirit Stones stacked like a small mountain.

He didn't even need to count them since Zhang Jingwei had left a note—

"Nine top-grade Spirit Stones, three thousand seven hundred fifty-two middle-grade Spirit Stones, and one hundred thirty-seven thousand eight hundred fifty-four low-grade Spirit Stones."

Hiss—

Fan Wubing was stunned... Truly, not a single stone was left for himself!

The exchange rate between different grades of Spirit Stones is one to a thousand.

Calculating based on the Foundation Establishment Pill, which is a hard currency.

A single low-grade Foundation Establishment Pill costs just 100 low-grade Spirit Stones, increasing the success rate of Foundation Establishment by ten percent. A Top-Grade Foundation Establishment Pill, which increases the success rate by ninety percent, is a top-grade mortal pill requiring a Third-grade Alchemist to produce steadily, yet only requires 2 middle-grade Spirit Stones.

Among the gifts Zhang Jingwei gave, there were as many as three thousand seven hundred fifty-two middle-grade Spirit Stones!

Even one hundred thirty-seven thousand of those low-grade Spirit Stones could be ignored.

The most crucial thing was those nine dazzling top-grade Spirit Stones, shining like little suns.

This thoroughly shocked Fan Wubing. This was the first time he had seen top-grade Spirit Stones. The Immortal Spirit Qi within was so dense that it almost seemed to be dripping. So pure and flawless, just one glance at them made one feel refreshed and delighted.

All previous dissatisfaction and grievances.

In front of such a mountain of Spirit Stones, they all vanished into thin air.

No way around it, the past ten years had truly been terrifyingly poor. It's not that Fan Wubing lacked backbone… Besides, Zhang Jingwei wasn't an unforgivable villain, just stubborn in character.

He kept telling himself in his mind, this is public money, it's public money! It cannot be used privately!

They still didn't know the expenses for Enlightenment Peak, not a single penny could be moved now!

...

Reluctantly tearing his gaze away from the Spirit Stone Mountain, Fan Wubing began researching the "Qi Gathering and Spirit Drawing" effect of Rootless Qi.

He wasn't in a hurry but was cautious, slowly releasing the limitations on the Rootless Qi in his body.

As soon as he let go, the surrounding environment began to change.

Vaguely centered on him, forming a slow-flowing "Qi Vortex". Since it was on an Immortal Mountain, most of the aura within this "Qi Vortex" was Immortal Spirit Qi.

He gradually released more limitations.

The flow rate of the Qi Vortex then accelerated. The Immortal Qi in the room became increasingly dense.

Fan Wubing immediately sat down for meditation, relaxed his posture, and actively operated his Unwarranted Qi Creation Skill and Star-Swallowing, Moon-Chewing Skill to maximize the effect of "Tongue Desire".

Inhale——Exhale——

Inhale——Exhale——

Using the Unwarranted Qi Creation Skill as a base, and Star-Swallowing, Moon-Chewing Skill as power, he began the breathing exercise.

Strands of Immortal Qi, digested through "Tongue Desire", were converted into blood Qi.

[Max HP +1]

[Max HP +1]

Each cycle of breathing increased the max HP by 1 point!

This speed far exceeded Fan Wubing's expectations.

Didn't even need much thought to calculate.

Although the meditation breathing rate was much slower than normal breathing frequency, if continued without interruption for an entire day, at the current breathing pace, he could complete about fifteen hundred cycles.

Which meant, just by breathing, he could increase over 1500 HP in one day!

A month would be over 45000!

A year would be over 540k!

What speed is this?

What kind of speed is this!

Idle cultivation is no longer a dream, it's become reality!

Moreover, the key is, the more blood, the higher the blood Qi intensity, and correspondingly, the higher the body strength. The higher the body strength, the more Rootless Qi can be stored, and the stronger the Qi gathering effect of Immortal Qi! Thus further accelerating the increase of max HP!

He suddenly thought, Spirit Stones are items that store Immortal Spirit Qi… the density of Immortal Qi inside is higher than the environment's.

Upon thinking, he acted.

He took out a low-grade Spirit Stone from his Qiankun Bag and crushed it directly.

The Immortal Spirit Qi immediately wanted to escape, but was then drawn by the Rootless Qi in his body and merged into the Qi Vortex.

The density of Immortal Qi within the Qi Vortex suddenly increased a level.

[Max HP +2]

It could indeed work!

However, a single low-grade Spirit Stone was indeed limited; after five cycles of breathing, it was exhausted.

"Five cycles of breathing increased by 5 HP. Which means a single low-grade Spirit Stone contains Immortal Qi that can only be converted into 5 HP. Does this mean a middle-grade Spirit Stone can convert into 5000 HP? A top-grade Spirit Stone into 500k HP?"

Then he took out a middle-grade Spirit Stone to try.

[Max HP +11]

After five cycles of breathing, it ended.

The result was unexpected; it only increased by 50 HP.

"Why is this? Clearly, the exchange ratio between low-grade and middle-grade Spirit Stones is one thousand to one, but the density of contained Immortal Qi is only one to ten?"

Fan Wubing began to study it carefully.

Then, he discovered the crux of the problem.

The difference between middle-grade and low-grade Spirit Stones was not just the amount of Immortal Qi contained, but also the purity and stability of the Immortal Qi.

Low-grade Spirit Stones are very coarse, containing many impurities, and the Immortal Qi is also unstable. Middle-grade Spirit Stones are much purer and more stable.

For ordinary cultivators, the absorption effect of low-grade Spirit Stones is far inferior to that of middle-grade Spirit Stones.

"But am I the special one?"

Fan Wubing understood that because he had "Tongue Desire", he could achieve perfect absorption and completely ignore the impurity issue. While cultivators could not.

He thought,

"So if I exchange middle-grade Spirit Stones for low-grade Spirit Stones, is the yield the greatest for me? But there's also a problem: the absorption rate of low-grade Spirit Stones increases by 1 point each time, while middle-grade Spirit Stones increase by 10 points each time, the speed difference is tenfold."

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