Trading system, I exchanged vegetables for golden pills.

If the Bagua Mirror could be used directly for foundation building, that would be the best outcome.

The Bagua Mirror was the most magical thing he had ever seen, even better than anything he could get from the system's transactions.

However, the Bagua Mirror only recognized his spiritual sea as a spiritual treasure, which was somewhat unsuitable for foundation building.

Therefore, Ye Chen could only think about other things.

According to the Xuan Tian Breathing Technique, there are three ways to build a foundation: Human Foundation Building, Earth Foundation Building, and Heaven Foundation Building.

The first method is to directly establish the foundation through elixirs, that is, by taking Foundation Establishment Pills.

This method of foundation building is the simplest and most direct, known as Humane Foundation Building, and it also has the highest success rate.

The second method is to use treasures to build a foundation, which is called the Earthly Foundation Building. This method does not require Foundation Building Pills and is suitable for people who do not have any pills.

However, firstly, the treasures are rare, and secondly, the probability of obtaining them is low.

Therefore, it is quite difficult.

If you don't have Foundation Establishment Pills, then this is the only option, and you have to try even if the probability is low.

Treasures need to be found slowly; if you can't find them, then you'll be old and frail for life—that's just your fate.

This method of foundation building is somewhat better than the first humane method.

Of course, the quality of the treasure also needs to be considered.

The third method involves using rare spiritual energy to build a foundation. This type of spiritual energy is not the kind absorbed during cultivation, and the specifics of the Xuan Tian Breathing Technique are rather vague.

In short, it involves using rare spiritual energy and rare natural treasures to assist in the formation of the Heavenly Dao Foundation.

It sounds pretty impressive, but of course, this method of foundation building is also the most difficult.

The root cause is that they don't even know what that rare spiritual energy is, so how can they build a foundation?

Even the Xuan Tian Breathing Technique is said to be very rare, which proves that it is a special energy that is almost extinct or even impossible to appear.

Whether anyone has ever successfully established a foundation in the Heavenly Dao is another matter entirely.

Although Ye Chen considered himself to have pretty good luck, he didn't think he could achieve the Heavenly Dao Foundation Establishment.

It's enough to be better than some but worse than others.

Therefore, Ye Chen naturally chose the second method of underground foundation building.

As the saying goes, if you don't know which one to choose, just pick the middle one!

With the Foundation Establishment Pill, he could guarantee his Foundation Establishment at any time, which meant his Foundation Establishment was basically secure, and he had a way out.

As a system host, he should have some aspirations. Choosing the most mediocre foundation-building method is somewhat inappropriate; he still needs to maintain a certain level of prestige.

At the very least, one should at least undergo proper foundation building, right?!

Even Master No. 999 chose the path of the underground foundation building, so he couldn't be too low-class.

Of course, the main reason is that the other party didn't have Foundation Establishment Pills, so they could only choose this method of Foundation Establishment; otherwise, they probably would have directly established their foundation.

And who knows how long he searched for the Foundation Establishment treasure? In any case, he died without finding it.

Ye Chen was in a great mood and prepared to inscribe a few array patterns to add to the excitement. After two days of continuous cultivation, he also wanted to take a break.

In addition, he also had to take some time to go home. He still had one set of the Spirit Gathering Array, which he planned to set up at his hometown for his parents to use for cultivation.

Otherwise, my parents' cultivation progress will fall behind.

After a night of hard work, having ruined four or five pieces of jade, Ye Chen finally managed to carve a set of array patterns for the sect's protective formation.

It consists of 3 array plates and 27 array feet.

Ye Chen only inscribed the first level and did not continue to extend it. Otherwise, theoretically, as long as there are enough array patterns, a super array could be created.

Ye Chen didn't have that many jade stones. Of the 10 stones he bought, 6 had already been used, leaving only 4 that hadn't been cut yet.

This also includes the large stone with imperial green. Ye Chen wanted to save it for last, as it would be a good choice to use it to inscribe the array on the imperial green plate.

Moreover, a first-order formation is sufficient; there is no need to nest more complex formations.

Ye Chen was also a beginner, and it was quite impressive that he could replicate a first-order formation.

Although the formation's range is not large, which is somewhat inconsistent with the name of this sect-protecting formation, it is sufficient to cover the entire old family home.

Perhaps calling it a protective array for the house would be more appropriate.

It's definitely enough for Ye Chen.

As for its power, Ye Chen didn't know, since he hadn't tried it before and could only wait until he got home to test it.

Ye Chen just wants to catch up on his sleep right now.

Engraving array patterns is incredibly taxing on mental energy...

Ye Chen woke up at 3:30 pm, alerted by the system's transaction notification sound.

Ye Chen stretched, still feeling a bit unwell from sleep.

Once he regained some clarity, the first thing he did was examine his mental sea.

Ye Chen then released his mental energy, which covered a wider area than before, now with a radius of about 23 meters.

It's obvious that his mental strength has improved significantly again, and his mental sea is also wider than before.

This proves that Ye Chen's previous conjecture was correct.

Mental strength only increases the more you use it.

When mental energy is depleted to a certain extent, it will increase significantly as it recovers.

This is good news; at least now we know how to improve our mental strength.

While Dahuang was still diligently cultivating in the yard, Ye Chen gave it a few instructions and then drove off to return to his hometown.

It's only 3:30 pm now, just in time to go back for dinner.

Ye Chen sent a message to his mother and then drove off.

Anyway, the distance wasn't far, only a little over three hours' drive, so Ye Chen just set off on a whim.

Since I have some free time during this period, I'll go home and set up the formation first.

He'll be busy with foundation building next, so he won't have much time to take care of his family.

Ye Chen was also somewhat worried about the Dark Web Hunter incident, so he decided to take this opportunity to improve his parents' abilities as well.

Otherwise, if he encountered a similar situation again, Ye Chen was unsure whether he would be as lucky as he was this time.

Although there has been no movement from the Wang family yet, Ye Chen has a feeling that the peaceful days will not last long.

This was a feeling he had in the dark, and also the spiritual perception of a cultivator.

It lacks scientific basis, but it's still quite accurate.

When Ye Chen returned to the county town, he first went to his second uncle's construction site. His second uncle was working hard, carrying cement, and looked a bit disheveled.

However, it seems to be manageable, after all, it is a cultivator at the first level of Qi Refining.

Second Uncle was taken aback when he saw Ye Chen, then grinned and said, "What brings you here, kid? You didn't even say anything!"

"I was just on my way home and stopped by your construction site to drop by!" Ye Chen smiled.

"Wait for me a moment, about 5 minutes. I'll be off work as soon as I finish this load!" Uncle said, bending down to carry the 6 bags of cement on his back and walking away quickly.

One bag of this cement weighs 50kg, so 6 bags would weigh 300kg.

My second uncle really does earn money through physical labor, doing jobs that ordinary people can't do.

Raising a daughter should have been easier for him, just like Li Wenlong, who entered a semi-retired state after his daughter went to university.

However, the million-dollar mortgage forced him to continue working hard, and he would feel guilty if he took even a short break.

Just then, Ye Chen noticed a person wearing a red hat next to him and was slightly taken aback. Wasn't this his high school classmate Liu Li?