Chapter 1404: The secret of entrance

Judging from the content presented on the photo shoot, when the Imperial Army attacked Liushui City during the day, there was no problem.
But when night fell, things suddenly changed.
The Immortal Army of the Three Thousand Saint Realm suddenly rushed out of the shadows and attacked them.
If it weren't for the original sneak attack, then the imperial army would be able to kill more of the fairy court.
That's it, it's useless to say these.
However, after watching the content on the photo crystal again, Lin Qian also found two messages.
Dark night, shadow.
He looked up and looked up. Above the sky, the Great Sun Flame Star was still hanging high in the sky. Only when the cold moon rose, he would look again.
The scribes from the Ministry of Heavenly Engineering were constructing the formation with all their strength, and Ye Xuanyan, who was curious, also helped.
However, the dignified Xuanyan ancestor, behind the scribes of the Heavenly Engineering Department, can only be regarded as a slaying existence.
Indeed, in terms of cultivation level, he is indeed stronger and more skilled, but in terms of formation, he is still far behind these scribes from the Ministry of Science and Technology.
What's more, in order to ensure that the city formation of Liushui City can be constructed in the shortest time, Lin Qian is tyrannical. From the fantasy stars, he summons the scribes of the Ministry of Science and Technology, who are all elites. I feel like an ordinary person.
Ye Xuanyan followed them, but he was able to learn a lot and benefited a lot.
However, he did not expect that the formation could still be arranged like this.
Even, he found that the formations arranged by the scribes of the Ministry of Heavenly Engineering, some of the shadows of the beginning of the ancient formations, and some of them resembled the fusion of the old formations and the new formations, and the feeling of integration.
When asked out of curiosity, Ye Xuanyan also knew this formation from the scribes of the Ministry of Civil Engineering, and it was really the case.
Although it is only an experimental product, not the final version, it should be more than enough for defense.
Just in time, after the two marshals of the Shangyuan Immortal Kingdom led the army over, try this formation to see if there is any flow.
Ye Xuanyan only felt dumbfounded after hearing the explanation from the scribe of the Ministry of Heavenly Engineering.
This Chinese empire's scribes are too terrifying, right? The enemy's formation has just been solved before. When the formation is set up in the next moment, will they begin to learn the enemy's methods?
"Learning can make progress, and you can only improve by asking without shame. Even if it is an enemy, there are advantages in learning and agreeing, and you must face it." The words of the scribe of the Ministry of Science and Technology are vivid.
Ye Xuanyan suddenly thought of the immortal people, sometimes incapable of the enemy's power and means, and when he felt sick, thinking that he was not learning from the other party, but about destroying everything about the other party.
"The immortal people are ignorant. They are just standing still. If they are immortal, they will be the moths of this chaotic universe!" In Ye Xuanyan's mind, the words Lin Qian once said to him suddenly resounded again, and now I feel deeply. .
Lin Qian stood silently on the Emperor's battleship, carrying his hands on his back, waiting for the night to come.
As for Lin Zu, he walked back and forth in the city in every possible way, watching to see if he could find any loopholes and discoveries in the city that helped his grandson.
With the passage of time, night gradually came, and the entire Liushui City was also plunged into darkness. In the houses, the lights were gradually lit up, gradually illuminating the entire Liushui City.
However, when the lights are on, there will be shadows and darkness after all.
Although the night was rewarded, Lin Qian was at a loss and found no problems.
"In the end, where is the secret of this city?" Lin Qian thought to himself, pacing on the deck of the Emperor's battleship, carefully considering.
Suddenly, when Lin Qian looked into the distance, under the bright light of the bright house, there was something wrong with the shadows that appeared.
The shadow composition is like a picture scroll.
In Lin Qian's mind, there was a flash of inspiration. If he realized something, he hurriedly ordered the Emperor's battleship to lift into the air and continue to improve.
The order from Lin Qian made the scribes in the Emperor's battleship rush to life, and hurriedly drove the Emperor's battleship to flee towards the sky.
Ye Xuanyan and Lin Zu in the city immediately noticed the movement of the Emperor's battleship. They only felt that something was happening and flew over.
Arriving on the deck of the Emperor's battleship, Lin Zu took the lead to come to Lin Qian's side and asked with concern: "What's the matter?"
He thought that his grandson might have encountered some trouble, otherwise, the battleship would not be allowed to rise.
However, Lin Qian did not directly answer his grandfather, but walked to the front section of the deck and overlooked the situation below.
"Grandpa, senior, come and see." After that, Lin Qian's face showed such a smile as expected, and he greeted the two of them to come and see.
Lin Zu and Ye Xuanyan followed curiously, stood beside Lin Qian, looking down.
When they looked at the situation on the ground, they were stunned and suddenly realized.
"So that's it, hahaha." Ye Xuanyan at the side laughed aloud when he saw the awkward situation of the city below.
Lin Zu at the side also nodded secretly and looked at his grandson: "It's because you can see it, haha."
Lin Qian also nodded secretly, the dark shadows illuminated by the light of the building below clearly formed a formation.
It's just that these lights, some are bright, some are dim, and some are extinguished, and they haven't successfully formed the entire formation.
but……
Suddenly, Lin Qian raised his head, looked towards the sky, and stared at the moon star that was constantly rising into the sky.
In Liushui City, there is a rule, that is, at midnight, no lights are allowed to be lit, otherwise it will not be amnesty.
However, the only place in the city that is not bound by this rule is the City Lord's Mansion.
When Lin Qian knew the rules of Liushuicheng, he didn't know why.
Now, he finally understood that this was to control the opening of the formation.
When Moon Star climbs to the top of Liushui City, the shadow of the entire city building under the moonlight will completely open the formation.
However, if the lights of the City Lord's Mansion are bright, then this formation will be incomplete and cannot be opened.
As long as the lights of the City Lord's Mansion go out, the formation will be completely activated, opening the passage of the space cracks and leading into the ground.
In this way, the lights of the Midnight City Lord's Mansion were the key to the formation switch and could be controlled perfectly.
Lin Qian was also fortunate. If it wasn't for the fact that he didn't want to destroy it when he attacked the city earlier, then this formation would still need to be repaired, which would waste time.
Now, he quietly waited for Moon Star to fully open the formation when it rose to the top.