Fang Fan hit the wall with his fist again and again, changing his position every time, and listened quietly.
As we all know, the sounds produced by knocking hollow objects and solid objects are different.
The sound of hollow objects will be crisper and louder due to the cavity inside.
Solid objects are relatively dull.
As for the sound that just came out, Fang Fan had a feeling as soon as he heard it, whether it was solid or not, and there was a cavity behind it.
If you use only a little effort, you won't be able to hear it, but the greater the effort, the greater the difference in sound.
Fang Fan got the answer after several rounds of verification.
Right in the center of the end of this secret passage, a door that is exactly the same size as the exits of other secret passages is set up here. It is not covered at all, not thin at all, and it is right here.
"Master, master, the person who designed this secret passage is really a master of psychology.
First, the exits of other secret passages are set up to create an illusion.
That is for the reusability of the secret passages. The energy structure at the exit looks the same as other places, but as long as you look at a few more secret passages, you will know that they are completely different. You can easily find the differences and filter them out.
This is a layer of illusion. After this layer of illusion is preconceived, people who come in do not see the exit at the end of the secret passage.
That thought will definitely be substituted into the fact that the exit of this secret passage is hidden. Such a long secret passage is just a cover, and the exit is somewhere else.
As a result, no one went back to look at the end of the secret passage, and no one went back to study it.
Tsk tsk tsk, master, the exits of other secret tunnels are all designed to be reusable, but who would have imagined that this secret tunnel itself is a disposable item?
Use it only once, once enabled, it will not be used a second time.
Such a secret and large-scale secret passage is a one-time use, which in itself is a good layer of misdirection and cover."
Fang Fan's expression becomes more and more subtle, what should I say?
Fang Fan himself was already ready to give up, or in other words, he had already given up.
But at this time, things suddenly became clear and the exit appeared in front of Fang Fan. This kind of surprise was more satisfying and joyful than the joy of finding the exit directly.
But just when Fang Fan was about to break through the wall, another question suddenly popped up in his mind.
"Wait a minute, is this exit also a deception?
The person who designed the secret passage had long thought that people who entered the secret passage would think of his ideas, and then deliberately set up an exit or even a trap here..."
Fang Fan's movements suddenly stopped again, and he froze in place. After a while, he patted his head.
"Damn, there's no end to matryoshka dolls, no matryoshka dolls!"
As soon as he finished speaking, the unsheathed Long Yuan flashed a golden light and fell on the wall.
Clang!
Fang Fan's sword attack with all his strength only left a shallow sword mark on the wall.
Although this is a gate, it is also a solid wall, covered with formations, with a solid energy structure, and a stone wall up to thirty centimeters thick.
Fang Fan estimated that if this was an exit, there should be a mechanism on the back that would make it easier to break through. In other words, this door was one-way.
However, Fang Fan's expression did not change at all. What was he most afraid of? He was most afraid of finding a needle in a haystack and not seeing any hope.
But as long as you have a clear goal, let alone a mere layer of wall, even a palace wall one meter or two meters thick outside...cough cough cough cough, I really can't do that, it's too tiring
Can't do it.
But Fang Fan could still barely break through the stone-thick wall.
The golden light shines in the eyes, and the real dragon's golden pupils are activated with all their strength, spying on the energy structure of the wall bit by bit, looking for its key energy nodes.
Long Yuan's sword fell one after another in his hand, changing from slashing to stabbing, pointing directly at the node.
The True Dragon's Golden Eyes peek into the energy structure, and his ability to find energy nodes is Fang Fan's confidence.
As long as the key energy nodes are broken, the energy structure is damaged, and the original properties are destroyed, the stone will become a mortal thing.
And an ordinary stone? It wasn't Fang Fan. With Long Yuan's sharpness, even a three-year-old child could cut it open.
So Fang Fan concentrated on finding nodes, destroying them, and destroying the structure.
So, an hour and a half later...
Fang Fan rubbed his sore eyes and landed his sword in the middle of the stone along the mark of the previous sword.
Ding! Poof!
The nodes are destroyed, the structure collapses, and the energy collapses.
Fang Fan looked at the tattered wall in front of him and his achievements, his eyes were one part relaxed and one part reverent.
"What a powerful formation. Not only is it solidified on the stone, it has not had any problems for thousands of years.
It also has extremely high fault tolerance and pressure resistance.”
If anyone saw what Fang Fan did just now, they would understand.
The node can indeed be found, but after the node is defeated, the structure does not collapse directly, but an inactive hidden node appears to be responsible for the operation of energy.
The hidden nodes are activated one after another. After all the hidden nodes are destroyed, the remaining nodes take over the task of energy operation.
This kind of setting cannot be completed without extremely high skills, and this kind of skills is simply admirable.
It took Fang Fan a full hour and a half, that is, three hours, to build a wall that was less than two square meters and thirty centimeters thick.
This may not be intuitive enough, but it can be seen as a legion of ten thousand people attacking for three hours under the command of a general, and still summoning the spirit of the army.
Let alone a thirty-centimeter-thick wall, even a thirty-meter-thick city wall should collapse.
How can such superb skills not be admired?
And this is just an ordinary wall. What if a thirty-meter-thick city wall is cast in this way?
How strong will the city wall be? And who can break it?
“Are the walls of the floating city of this magnitude?
The standard of the city wall above seems to be that nine formations are compounded together on a single stone, and the formations are superimposed on each other.
Hiss, it seems to be not bad either.”
Fang Fan murmured to himself, suddenly reacting and becoming more and more curious about the floating city.
Only through comparison can one feel the difference. He felt that the floating city could bring him more surprises than he imagined.
After withdrawing his thoughts, Long Yuan put his fist into the stone.
Bang! Bang!
The sky was filled with dust, and a big hole appeared in front of Fang Fan. The mortal bluestone with collapsed energy structure was not much harder than tofu in front of Fang Fan.
After the dust settled, Fang Fan also stepped through the big hole and walked in.
This is also a staircase similar to other exits. Go up the staircase and go through a wall to exit.
Fang Fan's face suddenly stiffened when he thought of this, and he had a bad premonition.
Next, there is another wall?
There is also a... wall?!
"I hope it won't be what I imagined...well, wall!"
