Liu Zhenya stupidly looks at the tall city wall and the towering tower, he swallows saliva, moistens some hair dry throat.

He suddenly remembered Liu Minsheng's words in the telecommunication, this person is not the enemy!

At this time, he also sighed that if this was the method of the mysterious city Lord, he could not be the enemy of him. He might feel uneasy when sleeping at night!

"Shelter city!"

Liu Zhenya looked up at the three glittering seal characters on the huge city gate, which was more than 10 meters high, and sighed for a moment.

He adjusted his uniform, stepped forward, and walked towards the gate of the city. The idea that he had come to give the base a bad influence was completely abandoned. Those who could have such means could not be enemies but only friends.

Di Ping doesn't know Liu Zhenya's arrival. The base is in cheering, and he is also stunned by the sound of the system prompt.

"Di... The first level city is completed, activate the first level city defense!"

"Di... Level one city is fully activated, and the system is upgraded!"

"Tick... System upgrade completed, please check the upgrade log!"

A series of three channeling system prompts sound in di Ping's mind, but at this time he has no mind to listen to, but shocked to look outside.

When the system mentioned to activate the first level city defense, he found that there were countless lines over the city, interwoven with each other. Then he found that there was a tower every 30 years on the city wall, and there was a dark thing on the tower. Some of them were like high-altitude machine guns, with a long gun tube stretching out and pointing at the sky.

Then, at the top of the original four observation towers of the castle, a huge gun suddenly appeared on the top of each tower, with a bowl mouth of about 5.6 meters long and the thick gun tube shining in the sun, cold and ferocious.

This is the first level of defense?

When the city wall is built, will there be such benefits?

Di Ping always wondered what it meant to upgrade the building. Originally, it had something to do with the city defense, not simply because of the restrictions.

He opened the upgrade log, and he wanted to see how many functions this tier city has.

The content of this upgrade is quite a lot, di Ping read it one by one.

1. Optimize the system interface and add the management items of urban defense system;

2. Open the first level urban defense system;

3. Activate the main gun of the main tower of the city (please see the introduction of the first level defense);

4. Increase the system knapsack to 100 cubic meters;

5. Open the construction permission for all buildings, except that the castle and the main building of the system can not be repeatedly constructed Repeatable construction (please see the building page for details);

6. Cancel the initial discount of the system, and all buildings will be restored to the original price, and the specific price will be viewed in the building page;

7. The discount for uncompleted buildings will be cancelled and calculated according to the latest price;

8. A new building intelligent resource station will be added, and the construction price will be viewed on the building page;

9. The use of functional facilities of system buildings will be available Please pay attention to the consumption of crystal coins.

after reading these items, di Ping was happy at first, but when he finished reading the last few items, he only felt that something was wrong.

He quickly opened the system architecture page and only looked at it. When ye felt the blood gushing up, he almost burst out of it.

"System, you're tough enough!"

He held it for a long time before he uttered a word.

The system changed from the original stupid and generous, and suddenly he wanted money for everything. He shook his shriveled pocket and wanted to cry for a moment.

Di Ping felt depressed and was about to vomit blood. He didn't expect such a problem when the city wall was built. He actually activated the first level town level urban defense in advance, and all the preferential policies before the system were cancelled.

No wonder he thought that the castle and other buildings were cheap and amazing, but the price was more and more expensive. He also complained about the system. Now he knows how generous the system was.

Looking at the price on the system again, he was depressed and wanted to vomit blood again. He knew that he would build other buildings first, and then build this city wall.

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