Chapter 484: Advancing to the Fire Vein (2000 words, please subscribe)

The border of the muddy swamp.

Ling Penglin, a second-level middle-grade array master, controlled a flying boat and held a map. After comparison, he finally landed on the edge of a lake in the center of a deserted island.

She looked at the small lake in front of her and muttered to herself.

"This should be the entrance where the eighth sister-in-law found the Fire Spirit Pond."

After saying that, she waved her hand and transformed a water ball to cover herself, and then jumped into the lake.

Following the dark river tributary in the center of the lake, she entered the main vein of the dark river deep underground, and found the fire python nest that Yan Siyi had discovered not long ago on the cliff of the main vein of the dark river not far away and entered it.

This nest first extends upwards and then extends into the cliff. There is no water flow in the deepest part of the nest, and it is very dry.

Finally, Ling Penglin also stood beside the Fire Spirit Pond, which was a ten-foot wide and of the first-level upper-grade realm.

After confirming the authenticity of the spiritual pond, she used her spiritual sense to explore the deep underground of the spiritual pond and explored the first-grade superior fire vein.

When she realized that the fire vein deep underground had reached the peak of the first-grade superior grade and was only one step away from the second-grade spiritual vein, she looked slightly happy.

"Since the fire vein deep underground has reached the peak of the first-grade superior grade, we can rely on the spiritual stones to arrange the second-grade spiritual formation here to help the fire vein here to be upgraded to the second-grade realm."

"In this way, the first-grade superior fire elemental spiritual pond that is inherited from the spiritual vein can also rely on the feedback of the spiritual vein's promotion, and it is likely to break through to the second-grade realm, bringing more benefits to the family."

"The family can also have an additional source of second-grade heaven and earth spiritual water."

In addition to the first-grade superior fire elemental spiritual pond here, the Ling family currently occupies two spiritual ponds that can produce heaven and earth spiritual water.

The other spiritual pond is the first-grade upper-grade Youhan spiritual pond that Ling Pengyun discovered in the territory of the Huxiao Liu family in Huaishui County in his early years.

However, more than ten years ago, Ling Penglin used the spiritual stone to set up a spiritual formation for that spiritual pond, which helped it to be upgraded to the second-grade realm.

The value brought to the Ling family by the upgrade of the spiritual pond is also extremely huge.

Every year, the land can produce hundreds of first-grade lower-grade spiritual water equivalent to the first-grade lower-grade cultivation pills and Qi-training pills.

In a hundred years, it can produce dozens of hundred-year-old second-grade Youhan spiritual water equivalent to the same-grade cultivation pills.

Now, the hidden location of the Youhan spiritual pond is always guarded by an old cultivator of the late stage of Qi training of the Ling family.

At the same time, a second-grade formation is also arranged there. With the formation and the second-grade water veins of the land, even if the foundation-building cultivator wants to capture it, it is extremely difficult.

As for the previous fifth elder Ling Yunxi who was originally stationed at the Youhan Spirit Pond, he died more than 20 years ago due to exhaustion of his lifespan.

Before Ling Penglin came here, he had no idea of ​​upgrading the spiritual veins here.

Relying on the spiritual upgrading formation, if you want to upgrade an ordinary first-grade upper-grade spiritual vein to the second-grade, at least 30,000 spiritual stones are needed.

And if you want to rely on the spiritual vein's feedback effect to upgrade the grade of the Fire Element Spirit Pond, you will need to spend at least 20,000 more spiritual stones.

Combining the two, if you want to upgrade the grade of the Fire Element Spirit Pond through the spiritual vein's feedback, at least 50,000 spiritual stones are needed.

This amount of spiritual stones is not a small amount for today's spiritual stones.

Even if there is a Fire Element Spirit Pond where this fire vein is located, it is not worth it for the Ling family to spend such a large price to upgrade the grade of the spiritual vein here.

And the spiritual vein here has reached the peak of the first-grade upper grade, which is another matter.

Under such circumstances, the spiritual stones required to upgrade the spiritual veins here can be reduced by at least 30% to 40%. Only about 35,000 spiritual stones are needed to upgrade the spiritual veins here and the spiritual pond to the second level by relying on the formation.

The missing 15,000 spiritual stones are very much. This amount of spiritual stones is enough to buy three second-class foundation-building spiritual objects, which can increase the probability of Qi training monks breaking through the foundation by 15%.

If it is used to buy cultivation spiritual objects and train Qi training monks, this amount of spiritual stones can train about five monks with good qualifications from the first level of Qi training to the ninth level of Qi training.

Relying on the spiritual veins here, Ling Penglin once again arranged a second-level endless fire formation to protect this place. After that, she hurriedly left this place and found Ling Pengyun who was leading people to clear the black mud. She told Ling Pengyun about the matter of upgrading the spiritual veins of the Fire Yuan Lingtan, and wanted to ask the real sovereign of the family for his opinion on the spiritual veins.

After all, the spiritual stones required for the spiritual veins to be upgraded are too large.

"If the spiritual pond can be promoted to the second level by relying on the feedback from the spiritual vein, it will be of great benefit to the family."

"The family can barely afford 35,000 spiritual stones. I don't have so many spiritual stones on me. You need to go to Lingyun Island and go back to the clan storehouse to get them."

Ling Pengyun replied.

Ling Penglin nodded lightly, then took her leave of Ling Pengyun and returned to the family's Lingyun Island. After saying goodbye to the housekeeper Ling Pengshan, she entered the clan storehouse and took away the 35,000 spiritual stones she needed, as well as the second-level medium-grade spiritual formation she had refined for the family in the early years.

It took nearly seven days to go back and forth, and Ling Penglin finally returned to the first-level upper-grade fire spiritual vein in a hidden cave in the dark river deep underground.

She did not delay and immediately arranged the spiritual formation on the first-level upper-grade fire spiritual vein.

And relying on the 35,000 spiritual stones on her body, she opened the formation.

In Mount Sumeru, a large number of spirit stones were refined into rich spiritual energy by the Spirit Ascension Array, and poured into the first-grade, top-quality fire spirit vein deep underground.

As time went by, the fire spirit vein that had been stuck at the peak of the first-grade upper grade for many years gradually shook the bottleneck with the help of the continuous spiritual energy.

After the fire spirit vein refined more than 33,000 spiritual stones, it finally broke through the bottleneck, its aura gradually increased, and entered the second-grade realm.

Its size was also growing rapidly, reaching a length of nine feet.

At this time, the ground began to shake inexplicably.

Outside this cave, a huge fire suddenly appeared deep underground in the main vein of the huge dark river.

Before Ling Penglin could react, the thin fire appeared deep underground and erupted from the depths of the ground, blasting a hole the size of a human head on the riverbed of the dark river, and a blue flame also emerged from it.

The temperature of this blue flame was extremely high, and the surrounding river water was immediately burned clean by the blue flame, and the river water farther away was also boiled by the blue flame with extremely high temperature.

Ling Penglin sensed the movement and immediately left the cave and dived into the main stream of the dark river.

When she saw the blue flame that was not extinguished in the deep river water, she was shocked.

"Underground fire?"

As soon as this guess came out, Ling Penglin immediately ruled it out.

She had seen the underground fire cave in the "underground fire island" where the family alchemist was located. The underground fire gushing out of the underground fire cave was not like this.

The underground fire was red in color, and it looked similar to ordinary flames, but the temperature of the underground fire was higher.

For a moment, Ling Penglin became more confused.