The environment inside the mine is complex and chaotic, with numerous mine tunnels of varying sizes forming a tangled mess that is difficult to unravel.

The best way to describe it is as an ant hole. Fortunately, the Mu family's Fushan Bull Demon Fist is highly specialized, otherwise, these holes would have collapsed very quickly if they had gathered together.

These holes weren't dug randomly; they were all dug after assessing the quantity of specific mineral deposits, allowing for efficient excavation and, in case of an enemy attack, to be blown up in one fell swoop, thus harming others for one's own benefit.

Although underground, the specially made oil lamps burned brightly enough to illuminate the way. For those abandoned caves, the darkness without fire was the most obvious sign of prohibition.

The power of the demon god is particularly concentrated here compared to outside. Similarly, in this concentrated environment, there are also an unusually large number of strange creatures.

This includes, but is not limited to, long vines with thick, black roots like an ox's tail; hairless, black-skinned rats with small horns; and black snakes with no eyes, long, thin noses, and stomach tumors growing on the outside, whose scales have been replaced by skin.

These are minor issues, easily resolved by sprinkling some demon-repelling powder. The main problem is that the mountain marrow here easily attracts earth-attribute demon beasts to dig. In fact, it's hard to know whether there are any large demons lurking underground, but with profit in sight, safety is disregarded.

"The common monsters you'll encounter are earthworms, earth dragons, digging rats, and yellow earth pythons. There are also some parasitic monster plants, such as the ox-tail vine we just saw. Its variant can split into cow hair and parasitize a human body. The person parasitized will have black hair all over their body, deformed horns, and will go crazy and gnaw on the soil."

The scourge of the demon god has left endless poison, and even now it manifests boundless evil everywhere. This is why the demon race is never extinct. The Heart Constellation has been turning for four hundred years, but how many years before that, did the struggle between the Mysterious Female and the demon god rage?

Mu Changchun seemed to have some emotion, but his expression had a hint of crocodile tears, after all, what he had done for these miners was really not that kind.

Dao Cheng listened quietly without saying a word, but with each step he took, countless fungal powders fell from his body, turning into inconspicuous green on the ground.

The Wood Dao Gu Insect - Fungus Gu, also known as Mushroom Gu, is easy to obtain and cultivate. Forest mushrooms are sufficient. If conditions are better, mushrooms that have already become demons are even better, but such mushrooms are rare and hard to come by.

At the same time, the Sound-Listening Gu in Dao Chengyi's ear also quietly activated. Starting from Dao Chengyi's foot, sound waves spread out, circling and spreading around the passage, and finally collected in the Sound-Listening Gu, forming a three-dimensional model.

However, the effect was not very good. Due to the distortion of the demon god's power, the physical effect appeared intermittent. Although it was slower, the effect was still there.

Following Mu Changchun's actions, I gained a better understanding of the mine as a whole. The current excavation direction is a kind of parallel excavation, which avoids going too deep underground as much as possible and excavates the rock strata above ground.

Because of this digging method, they kept digging up the lairs of other monsters. Today, by sheer coincidence, they dug up a bull python eating dirt in a certain mine.

The level of a martial artist's third level of training is difficult for a miner to contend with, but it is very easy for someone who has achieved the Dao. With a finger pointing to the seven-inch mark, the flesh and bone will instantly vibrate and separate, becoming three equal piles of material.

Snake bones were used to make wine, snake skin was used to make clothes, and snake meat was used to reward the frightened miners. This easy method naturally made Mu Changchun nod in approval.

After witnessing the mining of marrow mines firsthand, Dao Chengyi went to see the processing of privately owned marrow mines and witnessed how the rock-hard marrow mine was transformed into jelly.

The day was almost over, and then it was time to rest. As per Dao Chengyi's request, although not all the maids could be brought, Bai Zhi and You Lan were brought, and the rest were not needed.

Although it was a mine, the living conditions were excellent. The pit that had been dug out was turned into a pond, and the high-quality stone that was difficult to dismantle was turned into a training room that was warm in winter and cool in summer and also increased the training speed of the Fushan Fist.

Under the influence of the demon god, most of the plants here are blinding, but a few have their own unique charm.

There are horned pomfret in the pond at the entrance. The pomfret of the Mu family were bred here. However, the mine is not very stable and is basically used for experimental breeding. Keeping them in the pond is just for show.

"Young master! Young master! Shall we have fish tonight?"

Bai Zhi squatted by the pond, teasing a small pomfret with a willow twig. The larger ones were a bit dangerous, so Dao Cheng didn't put them in.

"What? You caught a fish?"

Dao Chengyi looked at Bai Zhi, who had replaced Qing Teng, and thought how adorable she was, full of emotional value. As for pets, he could kill them later if he liked them before they were fattened up.

"No, but if you want to eat, I'll jump in and catch fish, because Sister Youlan said that a maid should ask you before doing anything inappropriate."

"By the way, young master, did you bring something delicious? It smells so good!"

She was still wearing animal skin gloves, and her clothes were wrapped up tightly, making her look like a little dumpling. Dao Chengyi rubbed her head, and then took out the mountain marrow ore from the pouch at her waist.

Is this it?

With the marrow ore right in front of him, Dao Chengyi observed Bai Zhi's reaction. Her eyes lit up instantly, as if stars were shining within them.

"think!"

There was a clear desire, but nothing overly attractive; the expression was restrained, which was alright. I just don't know if she'll be this obedient in the future.

"Then tell me in detail how delicious it is, and how it tastes."

Mountain marrow is of little use to Dao Chengyi. The remnants of demon gods on Gu materials can be easily extracted from soil, so it's better to feed it to your pet.

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