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Inside the Bloody Hand Peak, in a cave, Du Feiyun and Meng Meng were walking down the winding road one after the other.

The deeper you go into the interior of the mountain, the more intense the demonic energy and black mist in the corridor become, and at the same time, the more abundant the earth-attribute aura becomes.

Facts have proved that Du Feiyun's guess is correct, the depths inside this Bloody Hand Peak is the place where the earth attribute aura is the purest and richest. At the same time, the two materials of strange dust and thorium are also very likely to appear here.

Thinking so, he and Mengmeng went deeper into the mountain while guarding their surroundings carefully. Although there were many forks in the caves inside the peak, he quickly found the most suitable passage and made his way down the mountain after carefully observing and identifying them with his spiritual sense.

Demon beasts are rampant in the underworld realm, and traces of demon beasts can be seen everywhere, even in a precipitous area as a hundred cliffs. Du Feiyun walked in the corridor, and he was also attacked by groups of blood-scaled demon snakes many times.

The strength of those blood-scaled demon snakes was equivalent to the late stage of qi refining, and when they attacked in groups, in the narrow corridor, even the congenital powerhouses had to be in a hurry.

Fortunately, Du Feiyun's strength is not bad, and he has successfully condensed the golden body of Shura, and with the magic weapon of the Shura Sword in his hand, he is naturally invincible, and he chops all those blood-scale demon snakes all the way like chopping melons and vegetables

After traveling towards the interior of the mountain for two hours, penetrating a distance of about two thousand zhang, and experiencing the harassment of more than a dozen waves of blood-scaled demon snakes, Du Feiyun finally came to an extremely empty huge cave.

This cave is extremely vast, with a radius of 10,000 zhang and a height of hundreds of zhang. Du Feiyun rode Mengmeng and slowly fell into the cave air, and after realizing that there was no danger around him, he looked at the surrounding scene with his spiritual sense.

The cave was dark and there was no light, and it was difficult for the eyes to see the scene from a hundred feet away. At the same time, the scope of his spiritual sense was only more than three hundred zhang square, and he was very cautious when acting.

After speeding around the cave, Du Feiyun saw clearly that the ground in this cave was rough and rugged, with rocky jungles of different colors, and there were many caves and caves around the caves, and the entire cave was filled with a rich black mist, and there was a little earthy yellow halo.

The flowing black mist is the eternal demonic energy of the underground world, and the Xuanmen monks will be eroded by the body protection yuan power when they come into contact, disturbing the heart spirit platform. As for that little bit of earthy yellow halo, it was an earth-attribute aura that was so dense that it almost condensed into clouds.

Du Feiyun sat on his cute back, suspended dozens of feet in the air, looking at the craggy rocks under him, his spiritual sense spread out like mercury, and he was exploring the scene.

Brown stones, earthy yellow rocks, black rocks, crevices, weeds growing in crevices......

The spiritual sense shrouded the area below, and the scene in it suddenly came into Du Feiyun's mind in great detail, and all he saw was such a scene.

After observing for a long time, the scene he saw was still a monotonous and boring scene, except for the abnormally abundant earth attribute aura, there was nothing unusual. Du Feiyun couldn't help frowning secretly, thinking in his heart: "Could it be that there is no strange thorium here?"

Suddenly, Du Feiyun's heart moved, and he keenly found a clue, and his frowning brows gradually relaxed. He found it out with his spiritual sense. In this chaotic stone thicket, the flowing earth-attribute aura is like wisps of mist, all of which seem to be pulled by an inexplicable force, converging towards the middle

In the middle of the rocky bush was a flat ground with a radius of dozens of zhang. The area was surprisingly flat, like a rock, and it inexplicably gave birth to a thick and solemn feeling.

Du Feiyun hurriedly flew to the empty space of the ground, and probed under the ground with his spiritual sense, and found that the ground was a rock of special material, which seemed to be made of dust condensation, and its hardness was far greater than that of fine iron.

There was no need to make a probe to make a move, Du Feiyun also knew that even if it was a top-grade magic weapon flying sword, it would definitely be difficult to leave any scratches on this ground. Presumably, only a flying sword at the level of a spiritual weapon can cut through the rocky ground.

At the same time, he also found that his spiritual sense had invaded the rocky ground, and he could only penetrate three feet at most, so he could not continue to probe under the ground. His spiritual sense seemed to be obscured by a layer of fog, and he couldn't see anything three feet below. ...,

The earth-attribute aura in a radius of thousands of miles was all converging towards the Bloody Hand Peak in the center of the Hundred Cliffs, and the earth-attribute aura in the Bloody Hand Peak was all converging towards this huge cave.

Now, he found that the earth-attribute aura in this cave was all converging towards that rock, and the rock material was special, which could also block the detection of spiritual sense.

No matter how you look at it, this area is strange. If Du Feiyun still can't see some clues, then he shouldn't really ask, it's better to wipe his neck earlier.

Needless to say, he surveyed the surroundings and saw that there was no danger, so he descended to the ground. Then, he sacrificed the Shura Sword, which turned into a huge flame sword that was more than a foot long, and slashed down towards the ground with the majestic power of opening mountains and splitting stones.

This rocky ground can withstand the bombardment of the magic weapon flying sword, but it definitely can't resist the slash of the spirit weapon flying sword. In particular, this Shura Sword is a superb spiritual weapon, and Du Feiyun has instilled it with innate Gang Qi, and its power is definitely enough to open mountains and crack stones.

The huge flame sword slammed into the ground, and suddenly a dull sound erupted, echoing in the cave, and the ground was also scattered and splashed with fragments of flame qi, and dust and debris rolled up.

As soon as the sword slashed, the ground suddenly trembled and boomed, and the effect was also amazing. When the smoke and debris cleared, I saw that the ground, which was far harder than fine iron, had been cut into a ravine two feet wide and more than a foot deep.

From the ravine, wisps of earthy yellow aura escaped and floated in the cave. Seeing this scene, Du Feiyun became more confident, and once again manipulated the Shura Sword and slashed towards the rocky ground.

After eighteen swords in a row, a large pit about ten zhang deep had been dug into the rocky ground, and it was twenty zhang square. At this time, Du Feiyun discovered an even more surprising thing, that is, he found a little gray-white dust powder in the rock layer at the bottom of the pit.

Strange Dust!

When Du Feiyun twisted the gray-white dust powder in the palm of his hand to investigate, a hint of joy suddenly appeared between his eyebrows, and he finally determined in his heart that there must be strange dust buried in the ground here.

Because the two materials are born together. The strange dust is wrapped outside, constantly absorbing the aura of the earth attribute, and after condensing for thousands of years, it will give birth to different thorium in the middle.

Seeing this scene, Du Feiyun continued to manipulate the Shura Sword, constantly cutting and slashing the big pit, and soon dug the ground deeper and deeper.

Half an hour later, when Du Feiyun had slashed and cut hundreds of swords, he dug the big pit to a depth of sixty zhang before stopping. Because, he finally found what he dreamed of.

At the bottom of the huge crater, surrounded by earthy yellow rocks, it was extremely tough. In the midst of the earthy yellow rocks, there was a square piece of grayish-white dust.

The gray-white dust that was one foot square was the strange dust that Du Feiyun was looking for, and as for the heterothorium, it would inevitably grow inside the strange dust.

Du Feiyun observed for a moment, then manipulated the Shura Sword to cut off the two layers of earthy yellow rocks below, and dug out the strange dust that was more than a foot high.

When he condensed his qi into a big hand and scooped up the piece of strange dust from the bottom of the pit, he found that although this piece of strange dust was a foot in circumference, it weighed 10,000 catties.

Even if he reached the strength of the fourth layer of the innate stage, it would be impossible to lift the strange dust one zhang high with the big hand condensed by the gangqi. In fact, that strange dust had gathered at least a thousand years of earth-attribute aura, and it had already condensed to an extremely hard level.

Moreover, the biggest characteristic of the earth attribute aura is that it is heavy. Therefore, it is not surprising that this foot of strange dust weighs 10,000 catties.

Putting this piece of strange dust into the Nine Dragons Dingzhong, Du Feiyun put his mind at ease, and a smile appeared on his face. After working hard for nearly a month, I finally succeeded today.

Although he can't break the strange dust now, after returning to the Liuyun Sect, he will naturally have a way to decompose it, and he will be able to take out the heterothorium at that time.

Finally getting the goal of this trip, Du Feiyun clapped his hands happily, flapped the flame wings behind him, and flew from the bottom of the pit towards the ground.

Unexpectedly, at this moment, his brows suddenly twisted together, and a solemn cold light flashed in his eyes.

His spiritual sense had been hanging over him, observing the scene around him. And now, the ground around the pit is rumbling and shaking, and the surrounding area of the pit is also trembling, and there are constantly falling gravel and soil chips.

It was as if a sleeping beast was waking up beneath the ground. It seems that it was the beast that woke up and struggled to break free, so that the ground around it trembled.

Although the spiritual sense could not find out what was going on around him, Du Feiyun knew that things were obviously not good, and immediately decided to speed up and fly out of the big pit.

Just as he was about to summon Meng Meng to carry him away, the ground around the pit suddenly burst, and a huge crack dozens of zhang wide burst out in an instant.

From that huge crack, countless pieces of rubble and dust suddenly rose into the sky, filling the entire cave.

At this time, only a dull rumbling sound could be heard, and the scene of the cave shaking the ground was like a nine-magnitude earthquake.

The next moment, from the rubble and dust in the sky, a huge figure suddenly rose into the air, looking up to the sky and roaring, making a huge roar.

Du Feiyun's eyes suddenly shrank, and when he saw the golden behemoth in the dust, his face suddenly showed a touch of shock.

Because, he recognized that behemoth, it was the Demon Beast Earth Dragon, a terrifying demon beast comparable to the Great Cultivator of the Yudan Realm!