Queling Island.

After receiving news from his tribe, Wan Ziyi, the master of the Demon Flame Sect, came to see him personally.

Li Yuanze did not dare to neglect and went to the reception room immediately.

In the reception room...

Wearing a black robe, Wan Ziyi's aura was as restrained as that of a mortal.

As expected of the elder of the inner sect of the Demon Flame Sect, his breathing skills are unmatched by anyone in the Li family.

Li Yuanze: “I don’t know what the master has to say about his special visit.”

"Fellow Daoist Li... As the saying goes, don't go to the Three Treasures Hall for anything. I am very curious about something I saw. I wonder if you can tell me in detail?" Hou Dongsheng took out a metal piece with multicolored brilliance from the pet bag.

It's shellfish.

Li Yuanze laughed dumbly.

"Master is actually interested in this thing?"

Hou Dongsheng nodded and admitted generously: "I was born in the Dibei Continent. All mortals use gold, silver and copper coins. Monks use spirit stones or Yin stones. This is the first time I see shell coins. I am indeed quite curious."

Li Yuanze: "I'll be honest with you, Master...this shell coin is very useful and can be easily adsorbed on bones. A mortal can make a sharp bone knife by polishing the bones and forging them together with the shell coins..."

"If we monks use demon bones to refine weapons, we must add refined shell coins. This can greatly increase the strength of the demon bones, so that some demon bones that cannot be refined at all can be made into magical weapons, fish bone swords, and fish scale shields.

, it would never be possible to make without gold.”

"What if gold essence is mixed into it?"

"Master is joking... The golden essence itself is a second-level mid-grade spiritual material. Adding shell coins to it may actually reduce its quality."

"That's it." Hou Dongsheng showed a look of surprise.

Shell coins mixed with demon bones can be used to make magic weapons. No wonder it can be done: 1 spirit stone = 100 shell coins.

Li Yuanze: "If Master is interested in shell coins, why don't we offer you offerings in shell coins this month?"

"Are you going to use 230,000 Beis to pay for my offering this month?"

"As long as the master is willing, there will definitely be no problem on our side."

Hou Dongsheng frowned and thought...

As a modern soul, the first thing he thinks of is finance.

Hou Dongsheng: "I'm afraid this is inappropriate... If you give me a large amount of shell coins, it will inevitably cause a shortage of shell coins in the market, deflation, and market depression..."

Li Yuanze: "What do you mean, Master?"

"I'm afraid you don't have so many shell coins."

Li Yuanze: "There are... no matter how many there are, there are. These shell coins can be minted by mortals. The shell coins in the family's bank are measured in tons. Even if the master empties the shell coins in the bank, we

You can also use spirit stones to exchange them with the Lin family on Yuchi Island."

Hou Dongsheng: "The Lin family of Yuchi Island...is it the Lin family of Yuchi Island who has a golden elixir cultivator?"

"Exactly."

Hou Dongsheng: "They also know how to cast shell coins?"

"We live in the open sea and far away from the inland. The currency used by ordinary people is shell coins, so naturally we know how to cast shell coins." Li Yuanze explained.

Hou Dongsheng: "I wonder if Li Daoyou can tell me the specific casting method?"

"sure……"

"The casting of shell coins does not use the fire-refining method, but the water-refining method."

"Water refining?"

"That's right... Water refining and fire refining are both ancient weapon refining methods, and both can be used to refine weapons. However, most of the water refining methods have been lost, and only the shell coin casting method has been passed down.

Very wide..."

"I waited for the islanders to collect the inedible shells and put them into a stone altar, soaked them in acid water, and sealed them with wooden boards and soil. After sealing them for ten days, they could be opened. After opening, the shells were taken out and put in sea salt.

Colorful shell gold will appear naturally, and after melting it with fire, you can obtain shell coins." Li Yuanze explained succinctly.

Hou Dongsheng: “Where does sour water come from?”

According to the chemical preparation method of metals, it is generally divided into three steps:

Step 1: Acidic water dissolves all impurity metals;

In step 2, add an alkaline reducing agent to obtain sponge floc, which are extremely fine metal particles.

Step 3: Melting and casting to obtain high purity metal.

Sea salt can indeed be used as a reducing agent to reduce some metals.

But where in the world can we get concentrated sulfuric acid, concentrated hydrochloric acid or concentrated nitric acid?

Li Yuanze: "Master Qi...that acid water is the venom of the first-order monster sea toad."

"Tell me about this sea toad." Hou Dongsheng asked inquiringly.

"The sea toad, also called the sea toad, is a very peculiar first-order low-grade monster."

"Why is it strange?"

"If we monks immigrate to a new island, it can take at least half a year or as long as a year, and a big sea toad will inevitably appear. The sea toad has no eggs, and it seems to appear out of thin air. When it is young, it is only the size of a fist, and when it reaches adulthood, it will appear.

It is about the size of a washbasin, and only has a first-level low-grade product. It cannot be killed without producing demon elixirs. The animal skin is full of poisonous sores and pustules and cannot be used to make talismans. The only function is to produce acid venom, and this poison is used to make shell coins.

necessary materials.”

Hou Dongsheng: "What you don't know is that toads are all transformed from tadpoles and do not appear out of thin air."

"Tadpole? This is a kind of insect, right? We monks never bring insects to the island."

Hou Dongsheng was silent for a moment. If there was no such frog on the island, it would be a bit strange to suddenly appear.

"You mean the sea toad will follow mortals and appear out of thin air?"

"It's not completely out of thin air. If you want to make the sea toad appear, you need to pile the food scraps left by mortals into a pool. Soon, mosquitoes, flies and insects will appear out of thin air in the pool."

Hou Dongsheng: "That's right...this is called hygroscopicity. As long as the environment is humid, mosquitoes and flies will naturally breed."

Li Yuanze: "When mosquitoes, flies and insects gather to a certain number, mosquito-eating toads will naturally appear. That is the sea toad."

Hou Dongsheng: "On land, gatherings of mosquitoes and flies will also attract toads. When there are too many toads, they will also attract venomous snakes. This is absolutely impossible to attract frog species that do not exist in the first place."

"Yeah...this is the strange thing about the giant sea toad."

Could it be that tadpoles swim across the sea, climb onto land, and jump into pools?

This is really not easy to explain.

Hou Dongsheng did not intend to get into any more entanglements on this topic, and asked with a sudden change of voice: "How is the venom of the sea toad extracted?"

Li Yuanze: "There is no need to extract it. Sea toads grow in the mosquito and fly ponds, and the water in the mosquito and fly ponds will turn sour and yellow. Use a wooden ladle to scoop out the water, which can be used to mint shell coins."

"Can you take me to see this giant sea toad?"

Li Yuanze: "Of course you can, but the smell of the mosquito pond is a bit strong."

"It doesn't matter."

Li Yuanze then used the escape light, and Hou Dongsheng followed with his physical body.

Although Li Yuanze felt strange, he did not dare to ask any more questions.

Li Yuanze: "Master, please come this way!"

The mosquito pond is not far from the mint.

Before the two of them got close, a sour smell hit their faces.

The grass poles around the pond are so high that you can't even see the pond unless you get close.

Li Yuanze pushed aside the straw pole and saw a square artificially dug pond.

Food waste from the entire island is dumped here, breeding mosquitoes and flies and feeding sea toads.

Hou Dongsheng saw at a glance the black-skinned toads lying in the pond, at least a dozen of them.

The big sea toad was black, with wrinkled skin covered with sores and pustules. Where the toad lay, yellow pus naturally oozed out...

Hou Dongsheng: "This toad is really disgusting."

"Yes." Li Yuanze agreed.

"Quack!"

suddenly.

A fist-sized toad jumped up from the pond and fell into the yellow water of the pond with a splash.

Both Hou Dongsheng and Li Yuanze could see clearly that the little toad had three legs.

Hou Dongsheng: "Are there any natural alien species among the sea toads? It's like the spiritual roots of human monks."

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