After parting ways with Chu Huaishan, Ji Tianxing and Yunyao continued walking deeper into the mine veins.
The light in the mine is dim, and there is only a stone lamp every tens of meters away on the stone walls on both sides.
The ground and cave walls are all dark brown rock layers, and occasionally some layers of ore are exposed in some areas.
Those ores are colorful and contain the spiritual energy of the five elements, and it takes tens of millions of years of growth to form.
The craftsmen of the Qingtian Sect's Weapon Refining Hall will smelt the mined ores to extract purer five elements spiritual energy and materials, which are used to forge weapons and equipment.
In addition, some gemstones will appear in certain areas with higher purity of mineral veins.
Those gems contain rich vitality of the five elements and can be used by warriors to practice, or to set up formations and refine weapons.
All in all, mineral veins are very important resources to the sect.
In order to mine the mineral veins under Longshan, the Qingtian Sect once dug hundreds of deep mine tunnels underground.
After the Tianjian Sect took over Longshan, they mined aggressively, increasing the number of mine tunnels to nearly two hundred, and going deeper into the ground.
Many mine tunnels are connected to each other, creating many intersections, which are as complex as a maze.
Fortunately, Chu Huaishan had already given Yunyao a mine distribution map, so the two of them would not get lost in the endless forks.
Half an hour later, the two walked along the dark and winding mine tunnel for more than ten miles, and finally arrived at the scene of the incident.
This is the end of the mine tunnel, an open space nearly a hundred meters in radius, like an empty and dark hall.
On the surrounding cave walls, layers of ore are clearly visible.
Between each ore layer is a rock layer seven to eight meters thick, and each ore layer is more than three meters thick and is covered with colorful ores.
Yunyao looked around and said in a deep voice: "At the time of the incident, the team of ten handyman disciples were mining ores in this area."
Ji Tianxing looked around for a while, and sure enough he saw many scattered ores scattered in the open space not far away, as well as a few mining picks and bamboo baskets.
Those bamboo baskets also contained a small amount of ore, which was obviously newly mined.
The ore layer on the rock wall also has several traces of excavation.
Ji Tianxing frowned and thought for a moment, then asked tentatively: "Although those ten handyman disciples failed to enter the outer sect, they should all be at the second or third level of the True Essence Realm."
"At the time of the incident, they were probably mining scattered in this area. Even if there was a sudden attack by experts, it would be impossible to capture them all instantly without leaving any traces."
"Sister, let's search carefully and we should be able to find clues nearby."
Regarding his analysis, Yunyao nodded in agreement.
The two of them spread out and started investigating from both ends of the cave, looking for traces with keen eyes.
After a while, Ji Tianxing discovered the clues and found many traces of fighting.
There are traces of sword slashes on the rock walls and on the stone pickaxes thrown into the ore pile.
Yunyao also made the same discovery and found many traces of fighting.
After the two communicated with each other, they vaguely analyzed some clues.
"Judging from the traces of the fight left in the cave, the fight was not violent at that time, was very short, and ended quickly."
"This shows that the strength of the murderer far exceeds the True Yuan realm, and there is more than one, so he can quickly capture all ten servant disciples."
"Judging from the traces of the fight in the cave and the remaining true energy aura, the murderer should be someone with Tongxuan realm strength."
When Ji Tianxing said this, he already had some concerns in his mind, and vaguely guessed that this matter was most likely done by the Tianjian Sect.
However, after Yunyao was silent for a moment, she suddenly revealed another discovery.
"Junior Brother Tianxing, I just detected that the aura of the demon clan remains in this cave. The masters of the demon clan have been here before!"
"What? The aura of the demons?" Ji Tianxing was stunned for a moment and frowned, his eyes filled with confusion.
At first, he assisted Yunyao in carrying out his mission and worked together to break through the magic cave.
He knew that Yunyao had the blood of the Holy Spirit of Heaven and was very sensitive to the auras of various races.
Since Yunyao detected the aura of demons in the cave and was sure that demon masters had been here, he certainly believed it.
He just felt confused and felt that things were getting more and more complicated and the truth became confusing.
"Isn't it the Tianjian Sect's doing? Why did the demons come here? They shouldn't have any idea of Longshan, so what do they want to do?"
Yun Yao also frowned, her eyes a little confused.
The two of them pondered for a moment, but they couldn't figure out any useful clues.
Therefore, Yunyao suggested: "Judging from the traces left here, the ten handyman disciples did not die here. They should have been kidnapped by the murderer."
"We will continue to explore underground to see if we can find more clues."
Ji Tianxing nodded in agreement, and followed her out of the cave, along a mine tunnel on the cave wall, and continued walking diagonally downward.
This mine tunnel is darker and darker, and somewhat narrow.
Ji Tianxing looked at the mine tunnel distribution map and determined that this mine tunnel was newly excavated by the Tianjian Sect in less than two years.
The two walked along the mine tunnel for a while, and Yun Yao detected the aura left by the demons again, and he also found some subtle traces.
"It seems that this matter is most likely related to the demon clan."
"The ten captured handyman disciples were probably taken away from here. Let's continue going deep underground."
Ji Tianxing and Yunyao continued to move deeper underground along the mine tunnel.
Along the way, the two of them continued to find some traces and clues, all related to the demons and the handyman disciples.
About half an hour later, the two of them were thousands of meters underground.
This newly excavated mine tunnel also ended here, and the front was blocked by a dark cliff.
Ji Tianxing and Yun Yao stood on the edge of the cliff, observing their surroundings with keen eyes.
Behind the two people is an empty cave, which is also the end of the mine tunnel and a place for collecting ore.
In front of them was a cliff, about a hundred meters wide, and it was pitch black and bottomless.
Seeing this scene, both of them looked puzzled and talked in low voices.
"How could this happen? There are cliffs deep underground?"
"The newly-excavated mine tunnel of Tianjian Sect is blocked by a cliff. If we hadn't come here to investigate the clues, I'm afraid no one would have reached here."
"Junior Brother Tianxing, there is still the aura of the demons here, and it doesn't seem to be leftover. The aura is a bit heavy."
"I suspect there are demons lurking here, we have to be careful."
Just when Yun Yao reminded Ji Tianxing to be careful, several black shadows suddenly rushed out of the empty cave behind the two of them.
A total of five black shadows rushed out of the darkness and rushed toward the two of them silently, their bodies emitting a strong blood light and murderous intent.
At that moment, Yunyao was instantly alert, a cold light flashed in her palm, and a sword appeared.
"Junior Brother Tianxing, be careful!"
She suddenly turned around and looked at the black figures, then waved her hand and slashed out five dazzling sword lights.