Unfortunately, all those who cultivated heavenly secret arts had strong mental power.

Su Jingxing’s counterattack would at most damage the other party’s mind.

If he wanted to kill his opponent with a counterattack, his soul power had to be several times stronger, and his Essence Soul had to be in the Soul Fixation stage.

Given the current situation, Su Jingxing had to continue working hard.

Putting the secret spying aside, the threat of New Chu’s Martial Sage was the most important.

Raising his physical strength to match the level of New Chu’s Martial Sage within seven days would be unrealistic.

It was also impossible for the Essence Soul to advance to the ninth class of Void Soul in one go.

His only hope was the Black Flame Caves that Blood Doppelganger was heading to.

The Wei Family’s ancestors had clearly stated that there was a huge opportunity in the Black Flame Caves.

The Soul Return Stone needed to forge the Kingdom Defending Jade Seal was also inside.

If I take this opportunity to obtain both the Soul Return Stone and a heaven-defying killing-attribute treasure, will I be able to draw with New Chu’s Martial Sage?

…

North of Yu Nation was Hong Nation, and north of Hong Nation was Yue Nation.

At this moment, at the border of Yue Nation.

On the peak of a mountain about 800 meters tall, Su Jingxing’s Blood Doppelganger, which had transformed into human form, looked at a mountain range of hundred-meter-tall peaks shrouded in black and red mist at the end of the vast land ahead. It clenched its fists.

After traveling day and night, it arrived at the Black Flame Caves.

Su Jingxing’s main body had checked the Black Flame Caves online. All he knew was that it was one of the infamous perilous lands in the Eastern Continent.

Whether it was ordinary people or martial artists, no one ever came out after entering.

Even experts in the top ranks rarely did.

On the last page of the Nine Steps Trampling Heaven secret manual, there was a passage in the records left behind by the Wei Family’s ancestors that introduced the Black Flame Caves.

Firstly, one had to pass through the Red Fog Sea to enter the Black Flame Caves.

This fog sea that covered hundreds of kilometers and shrouded the mountain range and filled the sky and ground was actually a terrifying miasma caused by the leakage of the fire poison from the Black Flame Caves.

The protective true energy of ordinary martial artists in the middle ranks would corrode and break apart in less than ten seconds.

The protective true essence of a martial artist in the top ranks was slightly better. It could last for more than ten minutes.

As for the gas masks and protective suits made using technological means,

Su Jingxing had never tried them on before and didn’t know what it would be like.

But they would probably only last for a few minutes.

In the introduction left behind by the Wei Family’s ancestors, the fire poison of the Black Flame Caves was extremely terrifying and corrosive.

Only a Divine Embryo could last more than an hour.

Although the corrosive power of the miasma caused by the leaked fire poison had decreased, it was still terrifying.

However, be it miasma or fire poison, their effects on the Blood Doppelganger were limited.

The Blood Doppelganger was an energy body with astonishing defense to begin with.

Passing through the fog sea formed by the miasma, the Blood Doppelganger had already left before the corrosion began.

In one breath, it quickly passed through the fog sea and paused before entering one of the pitch-black caves.

Black Flame Caves.

Apart from the fearsome fire poison, the densely packed and winding caves were also one of the sources of its name.

At this moment, in front of Su Jingxing’s Blood Doppelganger, more than ten cave entrances of various sizes appeared on the hundred-meter tall pitch-black mountain wall.

Su Jingxing didn’t pay attention to how many entrances there were in the areas on both sides that had disappeared into the fog sea.

In the records left behind by the Wei Family’s ancestors, the second stage was how to choose an entrance.

The entrance was related to the extent of danger faced after entering the cave.

If he was unlucky and chose a cave filled with black flames, he wouldn’t even have time to escape.

Other than the source of the fire poison and the strange black flames, there were also some human-eating monsters and powerful Mutated Beasts in the caves.

If he was unlucky and bumped into them, he would not be able to escape death either.

Therefore, Su Jingxing controlled the Blood Doppelganger to operate the Six Comets Records to divine which entrance was the least threatening.

After confirming, he entered the cave and continued to divine the approximate location of the Soul Return Stone.

There were too many caves in Black Flame Caves.

At the end of a passageway, there would be five, six, seven, or even a dozen new passageways.

Walking around blindly would only lead to eventually getting lost in the dense caves.

With a general direction, there was no need to be afraid of taking the wrong way.

At the same time, Su Jingxing’s Blood Doppelganger paid attention to any treasures that it might encounter on the way, especially those that could advance a first-grade martial artist to the Transcendent-grade.

A blue liquid with a red glow.

The name was unknown, but he knew that this blue liquid with a red glow contained incredible energy.

Su Jingxing controlled his Blood Doppelganger to avoid the strange black flames and pass through the passageways filled with fire poison to search for the blue liquid with a red glow.

Unfortunately, after moving deeper, walking for about five miles, he still did not see any blue liquid with a red glow.

The location of the Soul Return Stone was still far away in the depths.

In the records left behind by the Wei Family’s ancestors, there was a kind of rock monster in the Black Flame Caves. The Blood Doppelganger had not encountered it.

Instead, it encountered three groups of a type of bat that absorbed fire poison.

Every time a group of bats discovered the Blood Doppelganger, they would immediately pounce over.

Su Jingxing controlled the Blood Doppelganger to release its blood energy and blast them apart.

Muffled thuds sounded in the passageway.

All three batches of bats died, but not a single card was extracted.

Clearly, these bats were not Mutated Beasts.

Following the guidance of the heavenly secret arts, the Blood Doppelganger continued deeper.

After walking for another three to four miles, it entered an exceptionally spacious cave.

As soon as the Blood Doppelganger stepped in, Su Jingxing’s heart skipped a beat.

Stopping in its tracks, it saw a scaleless black python as thick as a water tank slowly raising its triangular head from a towering stone pillar.

One, two, three…

In the end, eight heads rose into the air and surrounded the black body.

An Eight-Headed Giant Python!

This Eight-Headed Giant Python that exuded a cold and evil aura was definitely a Mutated Beast.

Su Jingxing controlled his Blood Doppelganger to retreat and circle around the cave.

Swoosh!

One of the heads of the Eight-Headed Giant Python suddenly spat out a stream of black gas that headed straight for the Blood Doppelganger.

It was extremely fast. As soon as the Blood Doppelganger moved to dodged, it was struck and pierced through the abdomen.

A scorching aura immediately surged from the wound and rose.

Su Jingxing mobilized a large amount of blood energy to wrap around this small ball of aura and expel it.

Then, he wrapped its fists in blood energy and released it from a distance.

Boom! Boom! Boom!

The air tore apart with a series of explosions.

Since the Eight-Headed Giant Python wanted to die, Su Jingxing would fulfill its wish.

The blood energy fist imprints soared into the air, and its speed also soared to the fastest. One punch after another struck the thick body of the Eight-Headed Giant Python. Its scaleless body was directly penetrated with multiple wounds.

“Tss…”

Roar!

In pain, the Eight-Headed Giant Python roared and twisted its body, pouncing towards the Blood Doppelganger.

The eight heads opened their mouths at the same time and spat out black gas.

Su Jingxing, who was already prepared, controlled his Blood Doppelganger to shrink into a small ball and dodge keenly.

When the Eight-Headed Giant Python rushed in front of it in shock, the Blood Doppelganger suddenly enlarged. It grabbed the tail with both hands and swung it quickly, picking up the Eight-Headed Giant Python and smashing it onto the ground and stone walls.

Bang! Bang! Bang!

The ground shook and gravel fell from the stone walls.

The Blood Doppelganger kept swinging and throwing, causing the eight heads of the Eight-Headed Giant Python to roar angrily and spew black gas. However, it could not break free no matter what and could not injure the Blood Doppelganger.

Instead, it was thrown again and again, the heads spinning.

When Su Jingxing smashed the heads of three of the eight heads in a row, the giant python stopped roaring. Its thick body was limp, at the mercy of the Blood Doppelganger.

Su Jingxing sensed it, but didn’t stop. He continued striking.

At this moment, a black shadow suddenly rushed out from a corner and pounced towards the Blood Doppelganger.

Hu~

Su Jingxing sensed it and controlled the Blood Doppelganger to swing the Eight-Headed Giant Python towards the black shadow.

Bang!

Whoosh!

With a loud bang, the black shadow was sent flying and fell to the ground, turning into a pile of rocks.

Rocks?

Su Jingxing was stunned.

The Eight-Headed Giant Python in his grip suddenly shook its tail and broke free. It swiftly slithered into the depths of the cave.

Bang!

A figure descended from the sky and landed where the Eight-Headed Giant Python was slithering towards. It stepped on the middle half of the Eight-Headed Giant Python’s body, preventing it from escaping.

Three of the snake heads immediately turned around and pounced at the figure.

Bang! Bang! Bang!

With a series of dull thuds, the tall figure remained motionless. Instead, the three heads of the Eight-Headed Giant Python were dizzy from the collision.

Hu! Hu! Hu!

Black and red flames lit up.

Under Su Jingxing’s Blood Doppelganger’s gaze, the rocks that he had shattered and scattered on the ground a second ago were wrapped in clusters of flames and reassembled into a body.

A body made of rock!