Mu Jinyu spent another half day explaining alchemy experience to Zhou Yi before letting Zhou Yi begin alchemy, while he watched from the side, occasionally offering guidance.

As Zhou Yi opened the furnace several times during pill refining, Mu Jinyu would remind him at crucial moments, offering insights that greatly increased Zhou Yi's experience.

When Zhou Yi began refining the fourth batch of elixir, Mu Jinyu did not speak the entire time.

Yet Zhou Yi made no mistakes, and when the lid was lifted, seven pills unexpectedly flew out at once.

"Whoosh!"

"Whoa!"

Zhou Yi remained calm and composed, raising his hand to catch all the flying elixirs in his palm.

Afterward, he opened his palm, revealing that all seven pills bore Six Paths Elixir Patterns.

"Very good. As for the Blue Spirit Pill, you have completely mastered the top-quality grade of the Blue Spirit Pill." Mu Jinyu remarked with a smile.

"It's all thanks to Dragon Master's guidance," Zhou Yi responded modestly, without arrogance.

"Alright, continue with your alchemy. Reflect on what I just told you. I'll head back now."

Mu Jinyu waved at Zhou Yi before swiftly returning to his room.

Upon seeing this, Zhou Yi retracted his gaze from the empty space left by Mu Jinyu, taking a deep breath, displaying a bit of excitement and motivation, then clenched his fist to continue alchemy.

This time, however, he wasn't going to refine the Blue Spirit Pill but intended to try another second-grade elixir.

Using Mu Jinyu's recently imparted experience, he refined other second-grade elixirs to see the rate of forming elixirs and the quality of the pills after his insights.

Soon enough, Zhou Yi successfully refined a new batch, with a formation rate yielding four pills, and the quality included two with three-path patterns and two with four-path patterns.

Zhou Yi was ecstatic, even more so than when he refined seven Blue Spirit Pills with six-path patterns throughout.

Because refining other pills also yielded such success, marking his official entry into the ranks of top-quality alchemists.

...

Mu Jinyu returned to his room, quietly reflecting on the gains of his journey.

First, within the folded space on Mount Tai, he broke through the restrictions while studying the forbidden runes, conveniently obtaining several magic treasures, bone arrows, stone arrows, and others from ancient times preserved to this day.

Then in Mount Song, he took away the somewhat peculiar Buddhist Bell.

Finally, in the Dan Pavilion, he acquired the Three-Leaf Youlian.

He kept pondering the other uses of the Three-Leaf Youlian on his way back but had no clues for now, choosing not to obsessively research the Youlian.

With a flick of his hand, Mu Jinyu took out the ancient Buddhist Bell, staring intently at it, before infusing both Divine Sense and True Yuan into the bell, inspecting inch by inch to see if there was any issue.

He was always skeptical that the incident of demonic Qi corruption was purely accidental. Even after performing Soul Search on Sheng Rulai and Peacock Ming King, there were no traces, which meant there were still deeper hidden individuals in the shadows.

"Found it..."

After a while.

Mu Jinyu's eyes narrowed, finally locating a deeply hidden Divine Consciousness Mark within the Buddhist Bell.

"Puff!"

Mu Jinyu was about to trace the Divine Consciousness Mark to find the person behind the ambush, but the mark suddenly collapsed, dissolving into a wisp of black smoke and disappeared.

"As expected, always keeping an eye on me..."

Mu Jinyu saw this with no surprise at all, chuckling softly.

He had already guessed there should be a Divine Consciousness Mark controlled by someone within the Buddhist Bell; otherwise, it couldn't have just happened to hide within Sheng Rulai's Sea of Consciousness, taking the opportunity to attack him.

However, given the situation at that time, he didn't have the energy to examine slowly.

Now, even though the Divine Consciousness Mark has dispersed and the clues are severed, Mu Jinyu knew there was indeed someone behind the scenes, and he didn't care much about it anymore.

Because he'll inevitably expose that villain!

Afterward, Mu Jinyu meticulously checked the Buddhist Bell a few more times, confirming there were no other Divine Consciousness Marks, and prepared to store it away.

But he thought for a moment, then raised his hand to engrave a few talismans with True Yuan onto the Buddhist Bell.

"Shhhh!"

"Buzz!!"

"Dong!!"

Several forbidden runes learned from Mount Tai were engraved and embedded into the Buddhist Bell, which violently struggled after its previous calm state.

This was the Artifact Spirit realizing Mu Jinyu intended to seal it, unwilling to fall into oblivion, thus starting its resistance.

Unfortunately, Mu Jinyu's current strength is at the mid-stage of the Unity Realm Stage, and the restrictions exerted were brought from Mount Tai, mysterious and profound, so despite the Buddhist Bell's spirit struggling, it ultimately fell silent.

"These restrictions are extraordinary."

Mu Jinyu looked at the now-silent bell, which had transformed from its golden shine like it was cast from Gold to a dull patina resembling rusted copper, and praised.

Had he used the restrictions he originally learned, sealing a Heaven-reaching spiritual treasure wouldn't have been so easy, likely taking at least half to an hour.

Now, it only took him a few minutes to seal a Heaven-reaching spiritual treasure.

Such is the extraordinariness of these forbidden runes.

"The trip to Mount Tai, my greatest gain has been these forbidden runes."

Mu Jinyu recalled Wang Tengfei among the Mountain Masters of famous mountains, who were ecstatic over finding thousand-year spiritual medicine and some treasure remnants in Mount Tai, and shook his head slightly.

These people still thought herbs were the best finds on Mount Tai when, in truth, they were insignificant compared to learning those restrictions.

Storing the Buddhist Bell away, Mu Jinyu flicked his hand to take out bone arrows, stone arrows, and other magic treasures from Mount Tai's folded space, obtained from the forbidden trap.

"These treasures have considerable power. If Wang Tengfei and his group triggered them, death would be a certainty, but the materials seem quite ordinary..."

While speaking to himself, Mu Jinyu closely examined the hundreds of arrows to determine how they were capable of such power upon triggering the restrictions.

Then, he noticed similar forbidden runes engraved on the arrows.

At the time, he had been aware of them but found a single rune's allure far less fascinating compared to the runes interwoven on the light fog walls, so he had merely collected the arrows without studying them immediately.

"Buzz!"

Mu Jinyu infused True Yuan into the arrow, directing it towards the rune. Instantly, the arrows trembled slightly, and the rune flashed sharp cold light.

This power was capable of killing a mid-stage Fanxu Realm cultivator!

"Puff!"

Ultimately, when the rune was pushed to its limit, the bone arrow crumbled instantly, leaving only the rune emanating brilliance in mid-air.

"Hmm?"

Mu Jinyu stared at the flickering rune in mid-air and softly said, "So it's all sustained by this rune?"

The forbidden rune on the bone arrow was pushed to the limit, while the carrier, the arrow itself, disintegrated, revealing the material was ordinary, which explained its preservation since ancient times.

The bone arrow survived till now solely thanks to this rune.

With the rune now at its peak activation, displaying greater power than during the restriction's trigger, the bone arrow as the carrier couldn't withstand such force, hence naturally crumbled away.