"It doesn't matter if you can block it or not, in short, let more people not feel it. Cities, some need to be hidden, some don't. Chi Nan said as he looked at the second town that rose into the air.

"Well, there's no problem with the load, and the big pillar in the center can be made into a mage tower. In the Sky City, if the Mage Towers are destroyed, then the city is no different from being destroyed. ”

"It's okay to do that, but you still have to pay attention. If you are not careful, it is easy to leave hidden dangers. And according to our calculations, if we expand it by current weight, it will take four or five Sky Hearts to build a city like you are talking about in the future. "Sophia has already done the math.

Chi Nan said indifferently: "Every airship mothership needs a gold-level Sky Heart, and the city only uses four? Then add a spare set, for a total of ten. ”

The Heart of the Sky was nothing at all in Chi Nan's opinion, so he added it directly with a wave of his hand.

"Hey, you say ten is ten. Sophia covered her forehead. In Chi Nan's heart, these things can be grown without cost at all, but in fact, it takes time and energy to make them.

These things are needed everywhere in the army right now, and the Heart of the Sky is a very scarce item.

Forget it, it's impossible to build a few cities anyway, so let Chi Nan play casually by himself.

As the second city flew into the air, the first city had been tossed for days. At this time, the city felt a little tattered, and those who didn't know thought that the city had been robbed.

Even the hard fiber structures have forced these wooden people to break a place. You know, this is a fiber structure that has reached the hardness of the blue and white painting tree, which is the defense power of the silver level.

"It seems that the fiber structure as a whole is not suitable and is difficult to repair once it is damaged in one place. What if it were modular. The next city uses a modular design, and when the time comes, we test. ”

After a pause, Chi Nan looked at the first town and said, "Basically, the things that need to be tested have been completed, so let's simulate the air war." ”

"Air warfare, do we still have this test?" asked Sophira, very curious.

"Of course there is, I just added. It just occurred to me that the cities in the sky would definitely experience wars in the future, both active and passive. So test it more, and save yourself from being beaten down when the time comes. ”

"In that case, let's get started, how are you going to test. "Now, everyone who is interested is interested.

"It's very simple, we are here in the north, and there are a lot of eliminated non-mainstream airships, so let's use these. Split into two parts and fight each other. As for the commander of the battle, you are free to assign it yourself. ”

In Chi Nan's view, this is no different from a game. Those goods that have been eliminated don't matter if they are all destroyed. So in less than half an hour, these things were ready.

At this moment, some officials have spontaneously divided into groups and are ready to fight. Even Chi Nan himself grabbed a spot. But this is not a defensive slot, but a slot for an offensive action group.

At this time, everyone didn't care about each other's identities, after making a battle plan, under the order of Chi Nan to start, the two sides went to war. Because they are all obsolete goods, there are no powerful Bat missiles.

At most, there are some remnants of Hummingbird fighters, and some low-level Bat missiles. Finally, it's the wind cannons used by these airships. But this can be used to test the kind of attack of the alchemy cannon. The airships in the air collided back and forth like bumper cars, knocking each other aside with air cannons.

The shell of the airship is too hard, and it is not easy to destroy the shell of the opponent under the blow of the wind cannon. The air battle is very lively, and the ground is even more lively.

Debris was constantly being knocked down, not only from the city, but also from crashed airships, or whatever. In short, in the process, it can be said that there are large sawdust flying in the air.

The whole battle lasted for more than two hours before it was over, because the power of the simple wind cannon was too poor. At this time, the city in the air also entered a half-crippled state, and it could fall from the sky at any time.

"It seems that our city walls are basically not needed, and whether that city wall is the same or not, it is already very strong. Coupled with the city wall, that is, to block some more frontal attacks, it is better not to. ”

Chi Nan said when he saw the basically intact city wall and the ruined town. Since it is a battle in the air, everyone can fly and attack from a distance, and the effect of the city wall is weakened to the extreme.

"yes, it seems better to use the Mage Tower to add a full magic shield, and the outer buildings can use the Light Stripe Tree. ”

Chi Nan suddenly thought: "Perhaps, we don't need to think of a way in the city itself, we can add some defensive fortresses outside." These fortresses are pillboxes, which can attack externally and strengthen their own defenses. ”

After some explanation, Hemira suddenly spoke: "Isn't this an airship, what's different?" ”

"Of course it's different, these are not airships, but satellite fortresses, which don't need to be too fast, and their own defense is much stronger than airships. And in terms of attack, I am going to use the magic light cannon to increase the range, which is incomparable to the airship's wind cannon. The inner lining can be lined with a light tree to increase its own defense. ”

Well, although it is somewhat similar to the airship on the whole, but the function is different, it is purely used as a means to cooperate with the defense of the city. Listening to it, everyone also heard a little bit of meaning.

"We have a general understanding and maybe we can use it. There are two modes, one is fixed on the city, and the other is suspended outside the city, I asked the people below to design and experiment during this time. ”

Seeing that everyone agreed, Chi Nan was also proud. Recently, after the research was released, most of the research on the territory was not made by himself, which made Chi Nan depressed enough.

His own design can play a huge effect, and Chinan said that it is impossible to be unhappy.

"But now there is one more thing, there seems to be a little problem in the other world, they are looking for you. "The world on the other side is directly responsible for Chi Nan, and without Chi Nan's permission, others can't see the situation over there.