After lunch at Mo Qingyan's place, Chen Xin drove back to his refuge without staying.

But along the way, his mood was a little excited, and his manner was also a little strange.

After returning to the shelter, he parks the car in the preparation room, closes the door again, and takes off his equipment. Chen Xin then quickly returns to the shelter and sits down on the sofa in the living room, calming down his excitement caused by the unexpected harvest.

"Help others to improve their living conditions and get 100 survival points"

"help others to improve their living conditions and get 100 survival points for the first time"

"help 2 people to improve their living conditions and get + 2 survival points every day"

the system without any sense of existence suddenly brushed three prompts in front of Chen Xin, which made it difficult for Chen Xin not to notice these information.

The sudden increase of 200 survival points and daily gain of survival points + 2 is undoubtedly a huge surprise and a rich harvest for Chen Xin.

He helped Mo Qingyan make an oxygen generator. The survival points he put in were only a few of the material processing fees, but the harvest was equivalent to the survival points he got in half a month.

With such a huge return, Chen Xin couldn't help wondering whether he should make more oxygen generators for others.

After all, among the three tips, except that "helping others to improve their living conditions for the first time" belongs to achievement and cannot be obtained repeatedly, the other two can be obtained repeatedly.

Although "helping others to improve their living conditions" is a one-time income, the system does not say that it can only be done once.

Chen Xin's brain is not stupid. The oxygen generator can improve the living conditions. Can that kind of greenhouse be used? What about the ventilation system? What about biogas fuel cells? What about stronger shelters?

To improve the living conditions of a refuge is the same as to improve the living conditions of Chen Xin's own refuge. It is a project that can be continuously improved.

It also means that he can get a lot of survival, as long as he is willing to help others improve their living conditions.

By improving the living conditions of others, we can also gain more daily survival, which obviously greatly improves the speed of Chen Xin's survival.

Through these three tips, Chen Xin seems to see a huge amount of survival coming towards him, and the power armor and machine armor that he expected to appear after the upgrade of the refuge also seems to be slowly coming towards him, and even more to him.

"To improve the living conditions of others, according to the head count, one person is a little more every day. If I can get the official shelters to write such a line, ten thousand people will be ten thousand a day!" Chen Xin talked to himself excitedly. Although this is only his fantasy, it does not prevent him from looking forward to a better future.

However, there is a great possibility. As long as Chen Xin can improve the living conditions of a large refuge, according to the current prompt given by the system, a person can get a little increase in survival points every day, which is enough for him to get a lot of survival points according to his head.

Of course, it's not easy to do that.

The big refuge is not like the small one. Chen Xin can upgrade anything to improve his living conditions.

For the great refuge, if we want to improve the overall living conditions, it is undoubtedly necessary to upgrade the whole refuge.

This obviously requires a lot more survivals than upgrading small shelters to achieve the goal.

It's like the oxygen generator in the official refuge, with thousands of biological facades, which Chen Xin can't make.

Even if we use survival upgrade, the survival consumed by such large-scale equipment may be enough for Chen Xin to upgrade his refuge as a whole.

All in all, helping to improve the living conditions of the great refuge can bring huge returns, but it is not something Chen Xin can afford now.

However, this also gives Chen Xin another way of thinking. It doesn't affect the big shelters. There are still small shelters to use!

There are quite a few people who build their own shelters in the survival group formed by Chen Xin and Mo Qingyan. According to the statistics after the disaster, there are more than 20 private shelters for all the group friends.

Although in recent months, a small number of group friends abandoned their shelters and went to the official shelters with supplies because of inadequate preparation or the original plan to survive the disaster, there are still 19 private shelters left.

Five of them are in Linshi, two are in Sanzhen, and the remaining 12 shelters are in this city except Chen Xin and Mo Qingyan.

In the previous routine communication, everyone's situation was fairly good, there was no big problem, and the material reserve was relatively sufficient, except for the exchange of needed goods, there was no need to even exchange materials.

But now for Chen Xin, these ten refuges are the survival of baihuahua!

It doesn't even need more. Each refuge will send an oxygen generator, which can provide Chen Xin with 1000 survival points. As long as he gathers some more, he can upgrade the refuge with materials.Thinking of this, Chen Xin can't help but get excited. He has already seen the powerful upgrade function of the system. If the refuge can be upgraded as a whole, it will undoubtedly bring him better living conditions and enable him to survive in this doomsday.

But now the temperature has dropped to zero, and it will continue to drop. If we are not prepared, the coming extreme cold will be enough to freeze anyone who is not prepared enough.

As for why helping others improve their living conditions can lead to survival, Chen Xin doesn't find it strange.

Human beings are social social animals. Helping others can be regarded as improving the overall social environment. When the overall social environment is good, the living conditions of individuals will naturally be improved.

After all, it's obviously easier to survive in the tough environment of doomsday than alone.

It's like the shelters that survived in the end of the ice age. If we don't help each other, how can we survive better in the end?

If Chen Xin doesn't have a system, I'm afraid he should be eager to exchange materials with others now?

After all, although we all store materials according to the same list, everyone can purchase different materials and build different shelters.

Just like he and Mo Qingyan, who have vegetables and Mo Qingyan has wine and canned meat, the exchange between them can just complement each other in resources to a certain extent.

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