Inside the hidden, empty, and dilapidated cave.

After exhaling for the last time, the woman in the crimson gauze dress opened her sharp eyes.

After not seeing her for four months, Shen Sangruo's aura had become even more powerful.

She has successfully broken through to the mid-stage of Foundation Establishment.

The cultivation speed of a top-grade single-fire spiritual root is truly astonishing.

She arrived at this cave two months ago.

This cave dwelling belonged to a late-stage Nascent Soul cultivator. After the Nascent Soul cultivator perished, cultivators seeking opportunities flocked to it and looted the place clean.

In her previous life, she had also picked up quite a few low-level cultivation techniques here.

If Shen Sang were to search this place more thoroughly, perhaps he would make new discoveries.

But as she stepped into the cave, the fiery heart in her chest began to burn faintly.

The moment she tried to leave, the Heart of Blaze would rapidly heat up, scalding her to the point of being unbearable.

Only by retreating back into the cave will the temperature of the Blazing Heart decrease.

She didn't think it was a coincidence.

Upon careful recollection, she realized that among the cultivation techniques she found in the cave was the "Fanning the Wind and Igniting the Fire" technique she had been practicing.

It is highly likely that this is the location of the magical artifact that Immortal Lord Changli needs.

At first, she was secretly amazed that she had found the place she was looking for so quickly.

She searched the entire cave countless times, even the top of the cave, but still found nothing.

Chen Sangruo was filled with melancholy.

"Perhaps there are secret chambers or mechanisms inside the cave? Or is there another space?" Shen Sanruo pondered, stroking her chin.

With such a meticulous search, it's impossible to miss anything.

She was completely clueless.

Shen Sanruo originally intended to leave temporarily, search other places, and return when she had some ideas.

However, the Heart of Blazing Flame disagreed.

As soon as she left the cave, the Heart of Blazing Flame began to leap and throb on the red-hot ground.

Sometimes it will also emit a sharp popping sound.

This made her wonder if this seemingly strange stone was truly formed from a wisp of the divine soul of Immortal Lord Changli.

Anyway, she was trapped inside the cave and couldn't get out.

Fortunately, this cave has been abandoned for many years, and almost no one comes here, making it a quiet place.

She stayed there and devoted herself to cultivation.

The temperature inside the cave was much higher than outside, which might be unbearable for other cultivators.

However, for Shen Sangruo, who possesses the fire elemental root, it is an excellent training ground.

With the guidance of the Blazing Heart, her cultivation advanced by leaps and bounds.

Otherwise, without finding a new cultivation method, it would be very difficult for her to break through to the mid-stage of Foundation Establishment.

Besides cultivating, Chen Sanruo would conduct a thorough search of the cave at least three times a day.

The cave dwelling of a Nascent Soul cultivator is enormous, with many obstructive furnishings inside.

If Shen Sang was in a bad mood, she would set fire to one or two items.

When he was in a good mood, he would set fire to a large area.

Even so, it took her almost two months of burning to burn down most of the furnishings in the cave.

Now the cave is completely open to the public, and nothing seems strange about it.

If the walls and floor of the cave were not made of special crystals, which are incredibly hard, it would be impossible to find them.

She's really going to dig three feet into the ground.

Although the cave was empty of furnishings, she still habitually set it on fire.

There was no other way; I had to vent my frustration and anger.

Anyway, the cave dwellings are all built with special crystals, so they can't be burned.

The next moment.

Shen Sangri paused in her act of setting the fire, “…”

Her eyes widened slightly.

The crystals where she had just burned seemed, perhaps, possibly, melted from her heat...

broken.

Shen Sanruo approached with a guilty conscience and saw that the black crystal in that small area had indeed melted.

The conspicuous red stone wall inside was exposed.

There is also a golden line, about the thickness of a little finger, on the stone wall, extending down to the bottom of the black crystal.

With a "might as well go all the way" mentality, she continued to melt the black crystal along the golden line.

The more it burned, the more interwoven gold threads appeared.

Even after she had used up all her spiritual power, she had only managed to melt a small piece of crystal in front of her.

When she came to her senses, she realized that the Blazing Stone had become active at some point.

It emitted a flashing light, and I was extremely excited.

"Could it be that I've stumbled upon a clue by some twist of fate?" She stared at the exposed gold thread, lost in thought.

Why were all these crystals intact even though she set so many fires before?

"Perhaps it was because my cultivation level wasn't high enough at the time?" Shen Sangruo thought it was very likely.

She just broke through to the mid-stage of Foundation Establishment today.

"They really hid it well."

Who would have thought that it would require burning?

"No wonder that despite being looted several times, no one has discovered the secret."

After all, no one would steal treasures from someone's cave and then set the cave on fire.

That's incredibly unethical.

She stopped worrying about it. "Fortunately, we found a clue. The most important thing now is to melt all the crystals as soon as possible."

The cave was so large that, according to her rough estimate, with her current strength, it would take at least two months to burn.

However, with the pills given by Su Xiyu and the talismans given by Bai Ruoan to help her replenish her spiritual power, she could increase her speed even further.

At the fastest speed, it might take about a month to melt all the crystals in the cave.

Next, Shen Sanruo diligently set the fire for a month.

Finally, we saw the true face of the cave.

The cave walls are crimson red, with golden lines running throughout the cave.

Countless golden threads intertwine and converge, forming several complex totems above the head.

The ground beneath my feet is made of geometric patterns formed by gold lines, resembling a battle formation.

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