After parting ways with Chu Huaishan, Ji Tianxing and Yun Yao continued their journey into the depths of the ore vein.
The light in the mine was dim, and there was only one stone lantern every few dozen meters on the stone walls on both sides.
The ground and the walls of the cave were made of dark brown rock, with layers of ores occasionally exposed in some areas.
These ores were multicolored and contained the Five Elements Spirit Qi, which could only be formed after thousands of years of growth.
The craftsmen of the Sky Pillar Sect's Refining Hall would refine the ores they mined, refining them into even purer Five Elements Spirit Qi and materials to forge weapons and equipment.
In addition, some gems would also appear in some areas of the ore vein with relatively high purity.
These gems contained rich Five Elements Spirit Qi, which could be used by martial artists for cultivation, setting up arrays, or refining tools.
In short, ore veins were very important resources for the sect.
In order to mine the ore veins under Dragon Mountain, the Sky Pillar Sect had once dug hundreds of deep and serene mine tunnels.
After the Tian Jian Sect took over Dragon Mountain, they began to excavate even more wantonly, increasing the number of mine tunnels to nearly 200 and going even deeper underground.
The many mine tunnels were connected to each other, creating many intersections that were as complicated as a maze.
Fortunately, Chu Huaishan had already given Yun Yao a map of the mine tunnels, so the two of them wouldn't get lost in the endless forks.
After an hour, the two of them walked along the dark and winding mine tunnels for more than a dozen miles and finally arrived at the scene of the incident.
This was the end of the mine tunnel, an open space with a radius of nearly 100 meters, like a spacious and dark hall.
Layers of ores could be clearly seen on the walls of the cave.
Between each layer of ores was a layer of rock that was seven to eight meters thick, while each layer of ores was more than three meters thick and was filled with multicolored ores.
Yun Yao looked around and said in a deep voice, "At the time of the incident, a group of ten odd job disciples were mining ores in this area."
Ji Tianxing looked around for a while and saw many scattered ores, as well as several pickaxes and bamboo baskets, in the open space not far away.
The bamboo baskets also contained a small amount of ores that were obviously newly mined.
There were also a few traces of excavation on the ore layer on the rock wall.
Ji Tianxing furrowed his brows and thought for a moment before probing, "Although those ten odd job disciples didn't enter the outer sect, they should all be at the second or third level of the True Energy Realm."
"At the time of the incident, they should have been scattered in this area mining. Even if an expert suddenly attacked, it was impossible to capture all of them in an instant without leaving any traces."
"Eldest Senior Sister, let's search carefully. We should be able to find some clues nearby."
Yun Yao nodded in agreement with his analysis.
The two of them spread out and began to investigate from both ends of the cave. Their eyes were sharp as they searched for traces.
Not long after, Ji Tianxing discovered some clues and found many traces of fighting.
On the rock walls and on the pickaxes thrown into the pile of ores, there were traces of swords and sabers.
Yun Yao also made the same discovery. She found many traces of fighting.
After the two of them communicated with each other, they vaguely analyzed some clues.
"From the traces of fighting left in the cave, the fight wasn't fierce. It was very short and ended very quickly."
"This means that the murderer's strength is far beyond the True Energy Realm, and there is more than one of them. That's why they were able to capture all ten odd job disciples so quickly."
"From the traces of fighting in the cave and the remaining aura of True Energy, the murderer should be at the Mystic Comprehending Realm."
At this point, Ji Tianxing already had a plan in his mind. He vaguely guessed that this incident was most likely done by the Tian Jian Sect.
However, after a moment of silence, Yun Yao suddenly said another discovery.
"Junior Brother Tianxing, I just detected the aura of the Demon Clan in this cave. The experts of the Demon Clan have been here before!"
"What? The aura of the Demon Clan? "Ji Tianxing was stunned. He furrowed his brows and his eyes were filled with doubt.
Previously, he had assisted Yun Yao in carrying out a mission and had joined hands to break into the Demon Cave.
He knew that Yun Yao had the bloodline of the Heavenly Spirit Sacred Body, so she was very sensitive to the aura of various races.
Since Yun Yao had detected the aura of the Demon Clan in the cave and confirmed that the experts of the Demon Clan had been here before, of course, he believed her without a doubt.
He just felt puzzled. He felt that things were getting more and more complicated, and the truth was getting more and more confusing.
"Isn't it the Tian Jian Sect who did this? Why would the Demon Clan come here? They shouldn't be targeting Dragon Mountain. Then what do they want to do? "
Yun Yao also furrowed her brows and looked puzzled.
The two of them pondered for a moment, but they couldn't figure out any useful clues.
Therefore, Yun Yao suggested, "Judging from the traces left here, the ten odd job disciples didn't die here. They should have been taken away by the murderer."
"Let's continue to explore the cave and see if we can find more clues."
Ji Tianxing nodded in agreement and followed her out of the cave. They continued to walk downwards along a tunnel on the cave wall.
This tunnel was even darker and a little narrow.
Ji Tianxing looked at the map of the tunnel and confirmed that this tunnel was newly excavated by the Tian Jian Sect less than two years ago.
The two of them walked along the tunnel for a while. Yun Yao detected the aura of the Demon Clan again, and he also found some subtle traces.
"It seems that this matter is very likely related to the Demon Clan."
"The ten odd job disciples who were captured should have been taken from here. Let's continue to go deeper."
Ji Tianxing and Yun Yao continued to move deeper into the cave along the tunnel.
Along the way, the two of them kept finding traces and clues related to the Demon Clan and the odd job disciples.
After about an hour, the two of them had gone several thousand meters underground.
This newly excavated tunnel also came to an end. They were blocked by a pitch-black cliff in front of them.
Ji Tianxing and Yun Yao stood at the edge of the cliff, looking around with sharp eyes.
Behind the two of them was a spacious cave, which was also the end of the tunnel and the site where the ores were collected.
In front of them was the cliff, which was about a hundred meters wide. The bottom of the cliff was pitch-black and bottomless.
Seeing this, the two of them showed puzzled expressions and whispered to each other.
"How can this be? There's actually a cliff deep underground? "
"The newly excavated tunnel of the Tian Jian Sect was blocked by the cliff here. If we hadn't come to investigate, I'm afraid no one would have come here. "
"Junior Brother Tianxing, there's still the aura of the Demon Clan here. It doesn't seem to be remnants. The aura is a little heavy."
"I suspect that the Demon Clan is hiding here. We have to be careful."
Just as Yun Yao reminded Ji Tianxing to be careful, several black shadows suddenly rushed out of the spacious cave behind the two of them.
A total of five black shadows rushed out of the darkness and silently rushed toward the two of them. Their bodies were bursting with dense blood-red light and killing intent.
At that moment, Yun Yao was instantly alert. A cold light flashed in her palm, and a treasured sword appeared.
"Junior Brother Tianxing, be careful!"
She suddenly turned around and looked at the black shadows. She waved her hand and slashed out five dazzling sword rays.
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