After Cornell made his words clear, Sharon was not tactful, and said: "This is not the point, the underground leading to the royal capital may pass by the nests of many underground creatures, and the underground world is complicated, even we are not very sure to deal with it." ”

There are many magical creatures in this world, land, sky, sea, underground, the four living spaces, all have their own unique ways of living.

These four spaces are self-contained and complementary, and life in each different realm will always be constrained when it enters the other.

Sea beasts can easily kill humans who enter the ocean, and stranded sea beasts can easily be killed by humans.

Surface life, which is not adapted to the dark environment, enters the ground, and even if there is light, it will lose its sense of space and be easily killed by sneak attacks.

"Creatures underground?" Xiang En was puzzled, "Isn't that only 500 meters underground?"

The academy's books had introduced underground creatures, but he could only remember a rough idea now, which was that underground creatures basically lived in complex caves five hundred meters underground, and rarely came to the surface, and rarely followed the upward passage into the shallow underground.

Sharon explains, "Some powerful underground creatures aren't affected by much light, they're attracted to sound. ”

"Is that so......"

Xiang En bowed his head and pondered for a moment, then finally shook his head.

"Although there are some risks, the benefits of building underground tunnels are even greater. Trust me, the surface is more dangerous, and the underground passages were built to save more people, as well as your parents! ”

Having said that, Sharon also woke up to the fact that the surface of the ground really seems to be more dangerous than the underground, but the surface has more space to move, which naturally makes people feel more at ease than the cramped underground.

The Psychic Connection Skill is activated, and Xiang Eun transmits the Kuroshio Siege image she saw to Sharon in the form of a psychic connection, which eventually leads her to agree to the construction of the underground tunnel.

Due to the sheer volume of the work, the trolls' labor force was also requisitioned, and the trolls took over the work of making and transporting iron.

After vigorous operation, the project officially started on the third day.

The pale-faced Yorke and Mira were in their chosen position and began to unleash their magic, Xiang En behind their backs, like a whip whipping them all the time.

The amount of work of three kilometers a day is enough for them to squeeze the world dry for a whole day.

The tunnel is square in shape, with openings in metal load-bearing columns on both sides, and four metal pillars have to be filled every ten meters of advancement.

The biggest advantage of magic construction is that there is no need to carry the muck away, and the tunnel is much stronger than the cement paved passage.

Once work starts, Naka and Andrea take care of the cooking, and they need to prepare their own food, as well as that of the trolls.

Although they didn't know why humans were digging tunnels, they just did what they needed to eat.

Food is the most valuable thing in their eyes, and good employees never ask for more.

The industrious troll with five ox carts kept moving in and out of the manor, transporting iron ore deep in the forest to the ironworks.

The ironworks now operate in two shifts, and the demand for iron ore is huge, and it is not enough to handle hundreds or thousands of tons a day.

Trolls with a lot of strength are very efficient in mining, and they can bring back thousands of tons of iron ore in a day.

Sometimes they would dislike the slow running of the ox cart and go straight to the troll power, or pull the cart, or carry the basket on their backs, and carry the iron ore back to the manor in a basket.

The reason why they are so positive is that Xiang En made a performance reward, and the labor team with excellent work performance in three days was rewarded with five kilograms of beef.

There are five troll labor teams, each team has 20 trolls, and it is basically an adult troll warrior with 19 old and weak women and children who can work.

The five kilograms of beef were not just meat, but beef stewed in a secret sauce by Xiang En, which was a supreme delicacy for the trolls.

It's not too much to put them on the line for their lives, and gradually, the trolls' attitude to work has changed.

Two weeks after the performance reward system appeared, Xiang En noticed that something was wrong with the trolls and hurriedly revised the performance system.

For the sake of those five kilograms of beef, the trolls almost fought, especially those young trolls, Brother Hua Qiang had to say: young and vigorous.

The revised performance system has been changed to a weekly evaluation, where each team receives one kilogram of beef per week, and the top performers receive an additional three kilograms, while stipulating that they must not stumble and prevent other teams from meeting the target.

Xiang Endu was amazed by his generosity, and the tension between the trolls was gone, and the efficiency of the work increased.

In two weeks, the tunnel moved only 30 kilometers, and there were two accidents in between, one digging an underground river and the other digging an underground cavity.

They had no choice but to divert or force their way through despite the terrain obstacles.

The huge underground cavern is connected to a huge underground space, and there are tunnels in the space that go deep underground, perhaps a path for underground creatures to move.

Xiang Eun paved the way, built a drainage canal, and asked Jin Lai to depict the magic of illumination, preparing to make this place a rest stop.

The underground creatures may look ugly, but many of them are edible.

Keep digging!

The two-person shield machine continued to work, and the process of excavating the tunnel would always encounter various difficulties and obstacles, and Xiang En was mentally prepared.

Rao was so, when the tunnel was built to 60 kilometers, they still encountered big problems.

When the stone wall turned into a square passage under the influence of the earth elemental's magic, the numb York and Mira suddenly lifted their spirits, and with a little exertion, the rock in front of them turned into a dark cavern.

Seeing the appearance of the big hollow, one person and one elf seemed to be the victorious players, and quickly collapsed on the ground, crying with joy.

The appearance of the void means that they can get a short break.

When encountering a small hollow, Xiang En will stop and let them rest.

Xiang En saw the void, and immediately took a few steps forward, his hands gathered magic power to quickly shape, and the white goshawk appeared in his hand as if by magic.

Standing on the edge of the hollow, Xiang En threw the letter eagle and was about to retreat, but in the next second, a "wall" suddenly rose from the pitch-black hole under his feet, knocking the letter eagle away in an instant.

The earth rumbled around the earth, and the air in the tunnel was immediately pumped into the large cavern like a straw in the mouth in the face of the air currents that rolled up as it ascended.

Xiang En, who was standing at the edge of the tunnel, was pushed on his back by the strong air current, and was directly sucked into the tunnel by surprise.

York and Mira, who were paralyzed on the ground, did not expect such a situation, and their bodies were immediately sucked into the deep hole and quickly fell down the dark ground.

The suddenly rising "wall" is like a syringe, sucking Xiang En into the ground, Xiang En's scalp in a weightless state is numb, and he feels the horror of falling from a high altitude and pulling his soul, and it becomes a little difficult to breathe.

Faintly, he could see the slime on the rising "wall" next to him.

York and Mira, who were also confused, had to be calmer, and they still contained most of the magic power in their bodies, and hurriedly released their magic.

The fierce wind swept up the bodies of the three of them, slowing down their fall, and green vines spread out from the stone wall beside them, hanging them on the cliff.

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