Driving a helicopter, he brought all twelve combat robots, Qiu Yue, and Xiang Xixi's white horse back to the base. Qiu Feng drove the helicopter and circled around the city wall built by Xiang Xixi.

Originally, Qiu Feng and Xiang Xixi had reached an agreement to build a city wall fifty kilometers away from the logistics supply machine, which would add up to a city wall of four hundred kilometers. However, considering the consumption of 10 units of building materials per meter, the two had no choice but to reduce the scope of the city wall.

Twenty kilometers away from the logistics supply machine, it happens to be the safe zone for the future upgrading of the primary town.

Xiang Xixi simply started from the perspective of building material consumption, after all, that would be the key point of the serious shortage of building materials in upgraded supermarkets.

But Qiu Feng knows that the primary town safe zone is three kilometers away from the logistics supply machine, and the primary town safe zone is 20 kilometers away from the logistics supply machine. These two key base upgrade stages will have monsters attacking the base 24 hours a day.

The base upgrade is successful only if you pass it.

Different from the primary base, the primary base only attracts monsters ten kilometers around the base to attack the city. Once the monsters are killed, there will basically not be additional refreshes. The siege monsters are determined according to the map monster refresh rules, such as the Seven Demon Stars.

After finishing, you need to wait for a week of game time before it will continue to refresh.

However, for monster sieges in junior towns and small towns, as long as the number of siege monsters is below a certain level, the system will forcefully refresh the monster siege, which will continue for 24 hours, which is a big test for the player's military strength.

Even if it is only 20 kilometers away from the logistics supply machine... Calculated, it has a total circumference of 160 kilometers, 160,000 meters, and 1.6 million units of building materials. However, at this stage, Xiang Xixi has only used building materials to draw a line about one meter long and 03 meters on the surface.

The base of the city wall is high. It is estimated that this achievement has consumed at least tens of thousands of building materials in the base.

"Fat man, the current scale of the city wall may not be able to withstand the 24-hour monster siege. The size of the sandworm is about one meter, and the mutated sand scorpion is often seven or eight meters in size. The city wall must be at least one meter high.

If there are enough D-class combat robots, sixty of them may not be enough." Qiu Feng connected to Xiang Xixi's private chat.

"No, oh my god, idol brother, we haven't talked about the player town for several weeks, and we still have to wait? With the thinking of this handsome and ninth-rate professional player, I should still give it a try.

The city wall is forty kilometers long on one side. The D-class battle robots have a range of 2,000 meters. There are only about twenty D-class battle robots on one side. For ten energy coins, are we short of 10 or even hundreds of energy coins?

?

Otherwise, Qiu Youyu will use a high-quality resident recruitment order, and you will go to your real-life brother to get building materials again, and we will upgrade after repairing it..."

"Okay, hurry up and come back to make arrangements. There are only three opportunities left to use the cross-star delivery device. Try to get it done this time." Qiu Feng also felt that it was a bit inappropriate. After all, it took so long and the base population was already serious.

Beyond the upper limit, the food problem will never be solved.

Offline, he sent a private message to Guo Le and Chen Liangjian. The two families should have arrived in West Lake City by now. Because Qiu Feng had a list of equipment that he entrusted Guo Le and Chen Liangjian to purchase, so Qiu Feng judged that the two families should be there.

After staying in West Lake City for a while, Qiu Feng sent out a list of twenty people, ten people who had joined the Jianghu Machinery Heavy Industry Company, and ten students who had been invited to enroll at Jianghu University. They were all relatively famous people in their previous lives. Unfortunately, Qiu Feng

Feng can't think of more people for a while.

Of course, in view of the increasingly serious food crisis at the First Forward Base of Seven Demon Stars, Qiu Feng also asked Guo Le and Chen Liangjian to purchase some emergency supplies. Within the agreed time to pick up the goods, the two of them visited as many bases as they could.

Buy short, and even some of the food produced by players can be purchased.

After a little exercise offline, Xiang Xixi had already used two high-quality resident recruitment orders in one go when he went online again. On the one hand, fifty desert rangers led a total of one hundred base troops of various types to sweep away the monsters within the city walls.

, on the other hand, Qiu Wei and others are also leading other residents to desperately use the building materials stored in the base to build the city wall.

The total population of the base has exceeded 1,000. If it weren't for the two Hakka buildings outside the safety zone, the livability and public support would have been compromised long ago.

Seeing that everyone is busy, Qiu Feng is gathering the energy coins in his base, Xiang Xixi, and himself, and is leading his army to level up sand monsters. At the same time, he is also waiting for the time agreed upon with Guo Le and Chen Liangjian.

Xiang Xixi not only purchased twenty D-level combat robots again, but also transferred 500 energy coins to Qiu Feng, presumably from the proceeds from the auction of the castle blueprints.

"Fat man, I took a look around. The city walls are generally 30 centimeters high. It will take about half an hour. I will get back the building materials and food purchased by my brother. After choosing to upgrade the base to the town, it will take about an hour.

Game time preparation. In one hour, there will be a monster siege that will last for 24 hours. The troops in our base are all melee troops, and the defense mainly relies on combat robots.

At present, a total of eighty D-class combat robots and four S-class combat robots can only defend a 160-kilometer city wall. The city wall is less than one meter high and basically cannot prevent monsters from attacking the city. Do you want to challenge one?

Bundle?"

"Let's take a gamble. Based on my calculations with the super powerful brain of a ninth-rate professional player, in one hour, as long as the building materials exceed 100,000 units, there is a probability of more than 90% that we can build the city wall to 1 meter high.

The logistics supply machine is sold out, otherwise you can buy more D-level battle robots. The E-level ones are basically useless, but there are idol brothers, the boss of ninth-rate professional players, and battle pets with a combat power of up to 600 points.

Rampage..."

"Okay. After receiving the materials... we will rush to repair the city wall for another three days. Until next Monday, food will be refreshed, building materials will be refreshed, and 30 D-level robots will be refreshed. It will be a big supplement to the military strength, and

Military forces in various military camps can also be recruited.

There are still 345 energy coins in the base account, and there are 511 energy coins in my bracelet. We have no shortage of energy coins at this core point." Qiu Feng hesitated for a long time, gritted his teeth, and said cruelly.

After receiving the space package prepared by Guo Le and Chen Liangjian, Qiu Feng breathed a sigh of relief. With 50,000 units of building materials and 5,000 units of bread and drinking water, there would be no problem at least getting through this week.

It's just that the building materials are still a little short. Counting the building materials obtained by destroying the metal puppet camp, it is still far from the 100,000 units of building materials.

Fortunately, the system was not so abnormal that building materials had to be transported to the city wall construction site, otherwise Qiu Feng would collapse and die.
Chapter completed!