After Duke mastered the White Mist Forest Potion, he naturally no longer needed to stay in this laboratory.

He is much freer than other wizards; although he doesn't receive monthly bonuses, he can freely choose any potion to refine.

Duke plans to refine the Echoing Whisper Potion afterward, a potion that can temporarily increase one's Spiritual Power.

The Echoing Whisper Potion is also in great demand and is quite popular among wizards.

Generally, a single Echoing Whisper Potion can boost Spiritual Power by over ten points, although the specific value depends on the user's current Spiritual Power.

With a single Echoing Whisper Potion, Duke can enhance his Spiritual Power by roughly twelve points, lasting eight to ten hours.

Wizards researching spells, refining potions, or conducting experiments often need a temporary boost in Spiritual Power to better complete those tasks.

The Echoing Whisper Potion is a potion with relatively low side effects, greatly favored by many wizards, who often purchase it for future use.

If only used occasionally, it has almost no side effects.

However, frequent use of the Echoing Whisper Potion can cause fluctuating Spiritual Power; this negative impact doesn't last long; simply stop consuming the potion for a while, and recovery will slowly occur.

Early the next morning, Duke arrived at the Magic Potion Factory, while the valley was still shrouded in white mist, and the mountain winds brought a hint of coolness.

He went directly to the Echoing Whisper Potion laboratory, where Wood Elves were already working.

They were processing materials for the Echoing Whisper Potion, handling and packaging them for designated spots for wizards to use during potion refining.

Duke casually took two sets of materials for the Echoing Whisper Potion and started practicing on an experimental table.

He was already familiar with the refining process of the Echoing Whisper Potion, having it clearly in mind, now just needing to follow the steps.

Duke first picked up the processed Concentration Grass leaves, with their edges carrying natural silver threads.

A gentle wave of magic power surged in his palm as the leaves quickly dehydrated and curled at his fingertips, eventually transforming into a fine, shimmering silvery-green powder.

The powder fell into a preheated crystal mortar, producing a very slight rustling sound.

Next was the Moonlight Moss, which Duke precisely placed into a small Secret Silver Cauldron, as ghostly blue flames licked the bottom of the cauldron.

His magic power accurately controlled the temperature, causing the moss to slowly melt at low heat, exuding a sticky liquid that emitted a cool, moonlit glow.

...

The entire refining process went incredibly smoothly; Duke successfully created an Echoing Whisper Potion without wasting a single material.

He held a vial of pale blue potion in his hand, with blue mist swirling inside the sealed tube.

The mist spiraled upwards within the tube, continuously rotating, creating a wondrous scene.

[Echoing Whisper Potion: LV1 (1/30)]

Once Duke completed this potion, more people arrived in the laboratory, and many wizards had begun their daily work.

Duke didn't pay them any mind, as he didn't recognize any, and this wasn't the same laboratory as the previous one he was familiar with.

Life in the Wood Elf Plane was indeed very peaceful, and twenty days passed quickly.

[Echoing Whisper Potion level increased, Spirit +1, free attribute points +1]

[Echoing Whisper Potion: LV9 (Feature: Amplification Enhancement)]

[Amplification Enhancement: Your refined Echoing Whisper Potion brings greater Spiritual Power amplification effects]

After mastering the Echoing Whisper Potion, Duke didn't rush to focus on the next potion since he had some serious matters to attend to.

It had been a month since arriving at the Wood Elf Plane, coinciding with the time the Wood Elves needed to submit their magic potion materials.

Duke went to the Black Sail's garden, where old Rick quickly came over with a Space Ring and a parchment.

The Space Ring contained the harvested magic potion materials, while the parchment recorded a list involving dozens of potion materials.

Duke took the Space Ring and parchment, and his Spiritual Power quickly scanned the Space Ring, knowing exactly which materials and quantities were inside.

He then matched each item with the parchment, indicating the task was completed.

Duke nodded and said, "Not bad."

Old Rick breathed a sigh of relief, a bit surprised that Duke didn't trouble him.

Generally, wizards would claim the submitted materials were insufficient and needed more.

Old Rick, of course, knew the materials he provided were enough, but if the wizard said otherwise, then they simply weren't enough.

They knew why wizards said this, just to extract some materials for themselves.

Old Rick would always prepare an extra set of potion materials in advance, specifically for wizards inspecting the deliveries.

"Lord Duke, this is a gift for you, just a small token from us." Old Rick produced another Space Ring he had prepared ahead of time, offering it with flattery.

Duke was a bit surprised but took the ring and gave it a glance.

The ring's space wasn't large, only a few cubic meters, but it was filled with various Level 1 magic potion materials, totaling tens of thousands of Level 1 magic stones in value.

Duke accepted it without showing any signs, nodding without saying much, recognizing it as an established practice.

Unsure of Duke's habits, old Rick dared not slacken and thus prepared such a gift.

After accepting the token, Duke continued with his tasks without speaking further to old Rick.

Old Rick watched Duke leave, feeling a bit uneasy, for it was the first time he completed the inspection process so easily.

Despite offering such gifts, old Rick would usually still face some difficulties, just varying in degree.

They viewed wizards as demons extracting every ounce from them, never resting until they were drained.

This time, completing the inspection so smoothly made old Rick less anxious.

Duke didn't care about these things, as he wasn't interested in extracting value from the Wood Elves, preferring to bolster his skill instead.

Having received the delivered magic potion materials from old Rick, Duke's next step was registering them in the manor and signing some record documents with Deke.

Afterward, Duke was to visit a nearby city called Firefly City, once a large city of the Wood Elf Race.

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