If magic potions also require hundreds or thousands of proficiency points to level up, Duke thought it would be exhausting. It would take ages before he could level up.

After the Basic Magic Recovery Potion leveled up, a wealth of knowledge appeared in Duke's mind, all about the precautions needed during the refining of this potion.

From this knowledge and experience, he quickly understood some mistakes he had previously made.

They were all minor details, but it was precisely these small details that could easily lead to failure in refining.

After absorbing this knowledge, Duke's success rate in refining Basic Magic Recovery Potions could increase significantly.

His current success rate was around sixty percent, but now it could be increased to about seventy percent.

Duke used over thirty sets of materials and managed to refine twenty-four Basic Magic Recovery Potions. The materials for Basic Magic Recovery Potions left in his Space Ring were running low.

He planned to sell these potions in his hand later, exchange them for some magic stones, and keep a few for his own use.

After cleaning up the laboratory, Duke went to the lounge area and asked the Wild Boar Man to grill five steaks for him.

After a day of refining magic potions, he was quite hungry.

The food here was free, and one could enjoy delicacies that would require magic stones to purchase on Academy Island.

The Wild Boar Man Parker loved cooking. He was bored, and when he heard Duke asking for steaks, he happily got busy.

The Wild Boar Man Parker could cook a vast array of dishes, nearly everything.

But there was one thing he couldn't be asked to cook, and that was pork.

Reela had privately reminded Duke not to ask Parker to cook pork.

If the Wild Boar Man Parker were asked to cook pork, it would infuriate him.

If Duke dared to do that, he had better be prepared to face the wrath of the Wild Boar Man.

Soon, a large steak, sizzling with oil, was placed before Duke on a gigantic plate.

Duke thanked him and then began to feast, and Parker was delighted to see him enjoy it, so he continued to fry more steaks.

After satisfying his hunger, Duke picked up a book from the shelf in the lounge area and started reading.

To him, this was also a rare learning opportunity.

Duke was reading a Magic Potion Notebook, which recorded insights and reflections about the refining of various magic potions, as well as special processing methods for several magic potion materials.

It contained many tips on how to better unleash the potential of some magic potion materials, how to release their medicinal properties more effectively, and the like.

It also included thoughts on improving some potions, recording experimental processes.

Duke found in it the ideas and schemes for improving the Starlight Meditation Potion; it suggested that replacing the original main ingredient, Golden Grass, with the meat of the Human-faced Snail could significantly enhance the Meditation Assistance effect.

The Starlight Meditation Potion is a common Meditation Assistance Potion that is very helpful for the Meditation Practice stage of a Wizard Apprentice, enhancing meditation efficiency.

However, due to its relatively high price—about one hundred Level 1 Magic Stones per potion—it deters many Wizard Apprentices.

Even an average Wizard Clan cannot afford such a cost.

After all, Meditation Assistance Potions are required for long-term use, since meditation is inherently a painstaking process. Occasionally using one or two Meditation Assistance Potions doesn't suffice.

Duke had previously understood the cost of the raw materials for Starlight Meditation Potions.

The raw material cost for one Starlight Meditation Potion generally amounted to about fifty Level 1 Magic Stones, with the major part being the Golden Grass.

Without the Golden Grass, the raw material cost was only around twenty Magic Stones, with nearly half of it being due to the Golden Grass cost.

As mentioned in the Magic Potion Notebook, the Human-faced Snail is naturally much cheaper than Golden Grass.

Golden Grass can be artificially grown, but the Human-faced Snail isn't just a herb that can be planted directly into the ground.

The Human-faced Snail is a kind of Deep Sea Magical Beast, usually living on the seabed, very difficult to find, and hard to cultivate artificially.

Because it's not easy to obtain, it is also challenging to be used as a regular magic potion material.

For these magic potion recipes, their ingredients are generally intended to be relatively easy to obtain, so refining can be more convenient.

When wizards improve magic potion recipes, they all consider this point since the improved recipe is meant for widespread use.

If the raw materials are unobtainable, discussing refining magic potions is futile.

This point was also mentioned in the Magic Potion Notebook.

"Regarding the effect of the Human-faced Snail's meat, experiments have indeed shown it can significantly boost the meditation assistance effects. However, due to the difficulty in obtaining the material, Golden Grass remains more suitable..."

The author of the Magic Potion Notebook evidently reached this conclusion, merely documenting the effects of using Human-faced Snail meat and recording the relevant data.

Duke compared this data briefly and found that replacing Golden Grass with Human-faced Snails could enhance the meditation assistance effects by a full forty percent.

Such an enhancement was already significant. If not for the material issues, this recipe likely would have been popularized long ago.

However, as Duke knew, the mainstream Starlight Meditation Potion's main ingredient remained Golden Grass.

This notebook was somewhat old; the handwriting was slightly blurred, possibly written decades or even hundreds of years ago.

The author who recorded these notes might have forgotten them by now, only documenting them as a regular piece in the experimental research, simply noting them down.

But upon seeing this, Duke had some ideas. The Human-faced Snail is difficult for others to obtain, but easy for him.

He could dive deep into the sea with little difficulty, his Sea Race blessing allowing him to feel minimal pressure, with the water resistance automatically minimized, even at the seabed.

Duke planned to try; during the time when Hela was resting, he had nothing else to do, so he left Hela's island.

When Hela needed him, she would naturally notify him through the Wizard's Mark.

Duke took out the map of the sea area he had previously drawn, marked with the distribution and activity range of various sea creatures, including the Human-faced Snail.

Back then, he hadn't paid much attention to it, merely noting down the seen locations without further concern.

On Academy Island, the Human-faced Snail was regarded only as a delicacy, its meat being particularly tender, chewy, and with an excellent taste.

However, eating such a thing wasn't easy—it required luck; only good luck would catch one.

After preparing himself, Duke went to the seashore, removed his robe, and directly leapt into the sea, gradually diving toward the sea area marked for Human-faced Snails on the map.

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