After the group returned to Luoyu Town, Yi Han began to prepare for the mining of dark iron ore. The manpower was ready-made, a hundred slaves he had just bought. However, mining iron ore is not just a human being, and a lot of preparation is required.

The dark iron ore is relatively hard, which can be seen from the previous performance of Yang Xu and Yi Han. Therefore, if you want to mine the balite, you must first have the right tools. Various tools such as pickaxes, shovels, hoes, and hammers are indispensable.

These tools are not expensive if they are purchased individually, but they are not cheap when they are more. It's best to refine it yourself. At this time, the five teenagers found by Yang Rui came in handy.

Two of the five people were learning alchemy, two were learning alchemy, and one was learning talisman making. Professions such as formations and puppets are a little out of the way, and the requirements for qualifications are stricter, and it is difficult to achieve achievements, so no one among these five people has learned.

Although the level of several people is not high, there is no problem in refining this tool for mining dark iron ore. Yi Han had already bought the materials in Nanxi City before, handed them over to the two refining apprentices Han Lei and Zhao Wenyang, and let them start refining all kinds of tools they needed.

In order to stimulate the enthusiasm of the two people and not to be passive and slack off, Yi Han also set up rewards. Whoever finishes first will be rewarded with one hundred spirit stones and three Jing Yuan Pills. At this time, the two of them were a little slack.

In addition, the two alchemy apprentices and the talisman apprentice Yi Han did not let them idle. Tell them to refine some elixirs and spiritual runes that may be used. Such as Huiling Pill, Bigu Pill, Divine Walking Talisman, Giant Power Talisman, etc., these are the most ordinary things, and they are still competent.

Before the refining of the tool was completed, Yi Han was not idle. Instead, he took a hundred slaves to the iron ore vein first. Conduct early vein exploration work.

The system gives the location of the baalite though. However, no complete vein map is given. Small-scale bacharite generally refers to veins with an output of less than one million catties. However, the production of 990,000 catties is a small vein, and the production of one catty is also a small vein. Yi Han wanted to find out how much the ore vein of Luoyu Island produced.

Moreover, the location of the ore vein is in the northern mountainous area, and it is still some distance from Luoyu Town. It is inconvenient for so many people to travel back and forth every day. Temporary shelters and warehouses for ore storage will also be built. There's still a lot to do.

Yi Han divided the hundred people into two teams. One team was responsible for setting up temporary housing, and the other team began to explore the veins.

Two days later, the situation of the entire vein has basically been figured out. According to the existing situation, it is estimated that the reserves of this dark iron ore are roughly about 600,000 to 800,000 catties. The dark iron ore is a pound of spirit stones, and this vein can bring 500,000 spirit stones in addition to the cost loss. If the price of the iron ore is higher after refining.

At this time, the temporary accommodation was almost set up. There are many spiritual trees here, and the residence is still very easy to build. It was at this time that Hou Ji brought the first batch of tools. The mining of the dark iron is about to begin.

……

Mining of the ore began three days ago. However, the surface of the vein is almost entirely cohesive, and the iron content is too low to be suitable. Since today, the ore has been mined one after another. However, the output is not high, and there are only more than 100 catties at present.

"Childe, this dark iron ore is just a small vein, and the reserves are not high. However, the quality of the ore is good, I estimated that the black iron content is more than forty percent. Hou Ji picked up a piece of ore and looked at it and said.

Any vein is not pure ore and is accompanied by various impurities. Depending on the type of ore, the impurity content of various ores is different. Take balate, for example.

Generally, the dark iron content is less than 10% of the black iron ore is not suitable, and the refining cost is too high and not cost-effective. The two to three percent of the content of the iron ore is called inferior ore, four or five percent of the content of the iron ore is medium ore, six or seven percent of the content of the iron ore is the best ore, and the eighty percent of the content of the iron ore is the fine mine. Pyrite with a content of more than 80% is almost non-existent.

Generally, most of the ore produced by small veins is inferior ore. And it is already a surprise that this dark iron mine on Luoyu Island can produce medium ore. Let Yi Han be very happy in his heart. It's that the mining speed is a little slow, which makes him a little speechless.

However, there is no way, the black iron ore is too hard, even with the corresponding tools, it is not easy to mine. Moreover, the constitution of these slaves is still weaker, which also slows down the speed. It is conservatively estimated that the 100 people will only be about 2,000 catties of ore a day of full mining, and it will take five or six days to meet the requirements of the task to reach 10,000 catties of ore.

The wait is always long. Five or six days made Yi Han feel longer than the days he had come to this world. Fortunately, there are surprises while waiting. The shipyard on Rakuba Island was built.

Side quest eight: Build a shipyard

Description: There are thousands of islands in the Liuyun Islands, and each spirit island must rely on ships to communicate with each other. There are ships galloping all over the world, and it is difficult to move an inch without a ship. Set up a shipyard as soon as possible and get in touch with other owners as soon as possible.

Requirements: 1 Shipbuilder (required), 1 Refiner (Support), 1 Array Mage (Support)

Rewards: Flying Dragon Boat Drawings, Awning Boat Drawings, Guide Car Refining Drawings, and 10,000 Spirit Stones

This is the original side quest, and after more than half a month, a side quest has finally been completed. However, Yi Han was a little surprised when he looked at the system reward, because the reward was seriously reduced. The system rewards are only the awning boat crafting blueprint and 3,000 spirit stones.

He looked back at the task, only to realize that there was an extra degree of completion after the description of the task.

Side quest eight: Build a shipyard.

Completion: Low.

Because of the lack of talents on Luoyu Island, the current shipyard is only an imperfect building, with limited functions, and can only manufacture some fishing boats for short-distance voyages, which is still far from the real shipyard. Please complete the shipyard within one month, otherwise the subsequent rewards will not be issued.

Only then did Yi Han understand that the current shipyard on Luoyu Island could only be regarded as a deleted version. But fortunately, as long as the shipyard is completed within a month, the rest of the rewards can still be claimed.

The results are not good or bad. The advantage is that you can use the shipyard as soon as possible, and the disadvantage is that the remaining rewards are easy to waste. Although Yi Han is worried, he is confident that he will complete the shipbuilding workshop within a month and get the rest of the rewards.

When the dark iron ore is mined, he will have enough spirit stones on hand, and he can completely hire professional monks to complete the various side quests first.

……

"Hurry up, come on."

"Ahhh My leg. ”

While Yi Han was thinking, he suddenly heard a shout and a moan of hurt coming from the mine.

"Oh no, something happened."

He realized that something was wrong in the mine, and hurriedly ran to the mine.