Going down the slightly steep and spacious earthen stairs, Lei Xiao noticed under the illumination of several orange and white magic light balls that had just been cast behind him.
Around the stair passage, that is, the surrounding mountain walls, there are obvious traces of artificial excavation, which looks fresh and moist.
It was obviously dug out by the Holy Night Army not long ago using magic or corresponding tools.
"No wonder the disappearing legion just now didn't break out of the ground here as soon as the battle started. It seems that they spent all their time doing this."
Nodding thoughtfully, Lei Xiao paid attention to the steps under his feet and thought: "After all, once the battle started, the noises such as the shouts of death and the magic bombardment from both sides could completely cover the sound of underground digging, without being heard here.
The cold flame soldiers noticed it."
Just when Lei Xiao thought of this.
He had already stepped down the earthen stairs and was on the ground again.
Through the light of the magic light ball, Lei Xiao further noticed.
The space under the stairs, even though it was surrounded by rubble and soil left over from the excavation, as well as many corpses of the Holy Night Army who had no time to escape, still looked very vast.
Right in front of the group of people, a dark underground tunnel suddenly appeared.
Using the night vision effect of [Star Pupil], Lei Xiao discovered.
This is a long and spacious tunnel that can easily accommodate at least ten fully armed soldiers, advancing side by side. The height is a little more than three meters, and it is almost impossible to see the end.
"I didn't expect that there would be such a smooth and wide tunnel underground in this forest-side fortress."
Lei Xiao just saw this place, and Ariel, who was surrounded by several light balls, walked over and said in surprise: "You know, although this is the underground of the fortress, it is also located halfway up the mountain."
Hearing this, Lei Xiao nodded thoughtfully.
Not long ago, he led his main subordinates to the Immortal Gate, which was the lost city of the dwarves, Hearth Castle. Although the entrance was also halfway up the mountain.
But the mine tunnels there continue to extend downward, and you can see an obvious downward slope.
Especially after the first layer of magic restrictions was unlocked, the second dwarf mine tunnel entered had completely begun to go deep underground.
However, there is no slope visible in the tunnel in front of us.
It is as if it leads from halfway up the mountain on one side of the mountain to halfway up the other side of the mountain.
"There are no traces of mineral veins or mining around here..."
I saw the orange-white man who was also surrounded by several light balls. He moved lightly and arrived at the tunnel in front. While observing the surrounding environment, he said thoughtfully: "What is certain is that this is obviously not the case."
A mine."
"That's true. Moreover, it is impossible for the mine to be built so huge without traces of the track of the mine car."
Ariel also stepped forward and added: "A few years ago, I followed my father to inspect several important mineral veins around the royal capital, and I have never seen such a scene."
After a pause, Ariel's starry eyes lit up, and she continued: "Then could this place actually be an ancient ruins, as General Bai speculated?"
"Returning to Your Highness Princess, we are not sure yet."
Shaking his head slightly, Jubai stretched out his palm and stroked the stone wall of the tunnel, while replying: "What can only be confirmed now is that the cave wall here has obvious signs of weathering, and it has obviously been there for a long time."
"I see, then it's very obvious."
Ariel nodded in deep thought and said, "The other party must have found this tunnel in the mountain first, and came all the way to where we are now, and finally dug up a part of it, and finally reached the tunnel just now.
armory."
"My dear Fifth Princess, you are right."
Raising his eyebrows slightly, Lei Xiao listened to the faint cries and howls of the Holy Night Army still coming from the depths of the tunnel, and then said: "Okay, let's stop the analysis here for now, let's continue to look forward."
Next, Lei Xiao first expanded the number of Earth Guardians who were opening the way from four to ten, and then under Ariel's surprised eyes, he took the lead in taking his own steps.
After walking quickly along the spacious tunnel for about ten minutes, Lei Xiao noticed.
There is nothing special about this underground tunnel located halfway up the mountain, and there are no traces of artificial excavation. It seems to be formed naturally.
However, the only thing that puzzled Lei Xiao was that this passage was too regular.
It has always maintained a height of more than three meters, and the width has almost no change with ten people walking side by side.
Originally, Lei Xiao suspected that this tunnel might have been caused by some kind of high-level magic breakdown during the blank era.
However, while moving forward, Lei Xiao discovered again.
The terrain in a certain section of the tunnel often has obvious undulations and curvatures. It is not a perfect straight line, but sometimes curved and sometimes straight.
Therefore, this idea was ultimately rejected.
Just like that, with this question in mind, the four of them, Lei Xiao, who was walking as fast as flying, quickly reunited with Hong Ye, who had been pursuing them to the exit of the tunnel.
At this time, Lei Xiao could already clearly see the dazzling sunlight shining in from outside the cave.
"Sir, the remaining enemy troops have all fled the tunnel."
Seeing Lei Xiao's figure, with a faint wisp of smoke coming from Hong Ye's mouth, he immediately flashed his figure and bowed to report.
"Thank you for your hard work, let's go out and have a look together."
Nodding slightly, Lei Xiao temporarily put the questions behind him, and then followed Hong Ye in his footsteps.
As for Hong Ye, who had obviously just finished breathing fire, Lei Xiao was not worried that Hong Ye's identity as a dragon would be exposed.
Because among the fire magicians, there are indeed a group of powerful magicians who practice this spell. It is said that the inspiration came from the dragon clan who are good at using dragon breath attacks.
Therefore, Hongye's attack can be said to be the orthodoxy of the famous family.
Next, accompanied by Hong Ye, they came outside the tunnel. After looking around, Lei Xiao discovered.
This place is located in the shade on a cliff, surrounded by dense forests, and the location is indeed extremely secluded.
Moreover, if you look up from the bottom of the mountain, it is in a blind spot and you cannot find the existence of the cave entrance.
"Sir, the other party climbed up through the road-building technique of earth magic."
Bowing slightly to Lei Xiao again, Hong Ye said again: "I think this place must have been accidentally discovered by those gryphon knights or powerful people in the magic system."
"It makes sense. For the surrounding people of Wu Lengyan, it is undoubtedly impossible to discover the cave entrance on this cliff."
On the other side, Ariel frowned slightly and said: "It can be said that those guys from Shengye, the blind cat met a dead mouse, these hateful intruders!"
Having said this, Ariel's dark eyebrows stretched out again, smiled at Lei Xiaoer and said, "But fortunately, we have successfully eliminated it!"
"It's not about us, it's about whether I am good or not."
Raising his eyebrows slightly, Lei Xiao then turned to the dragon woman who was waiting beside him and said, "Okay, Hong Ye, let's find a way to seal this place. It's time for us to go back and witness the last moment of this war."