At this time, Xu Xin's heart was still pounding. On the fourth day in this world, Xu Xin finally experienced the feeling of brushing shoulders with death for the first time. It was not a good feeling.

He jumped up from the ground as fast as he could, grabbed Coco who was sitting on the ground, and quickly moved ten meters away. He hid behind a tree and looked at the vines in front of him, which were now in the shape of an "n". He took out a stone spear from his backpack and paid close attention to the map.

He was afraid that there was not just one vine, but that other plants would attack him again.

After waiting for ten minutes, the vines that were entangled and attacking him remained motionless.

"Hmm~" Coco cried weakly in his arms.

Xu Xin swallowed and held the stone spear tightly in his hand.

Originally, because there were no red dots around, Xu Xin thought that he would not need the stone spear, and it was too long and cumbersome to hold in his hand, so he put it in his backpack. He did not expect to encounter such a thing.

Slowly approaching, the vine remained motionless. Xu Xin kept an eye on the map and thrust out his stone spear to poke at the vine.

"Crack!" Under Xu Xin's surprised gaze, the originally tough and strong vines seemed to have been dried by the wind and were pierced through by a gunshot. The cracks slowly grew larger from the stabbed place, and a small part of the vines broke directly and fell to the ground.

"What's going on?" Xu Xin was a little confused. How come the vines that looked so tough just now suddenly turned into onion rings?

At this time, he noticed the place where the vine came out, that is, the root of the vine. Because the part that came out was very long, it seemed to bring out a swollen root.

"Could it be..."

Xu Xin used the stone spear in his hand to poke at the tuberous root that looked like a sweet potato.

The surface of the vine's root shattered, and a hint of brass came into Xu Xin's sight.

"Calcium oxide, the location of this treasure chest is too shady!" Xu Xin couldn't help but swear again.

That’s right, the root of the vine contains the copper treasure chest that Xu Xin has been looking for.

At this time, a corner of the brass treasure chest appeared from the tuberous roots of the fallen dry vines. The copper metal texture appearing in a vine gave Xu Xin a very strong sense of incongruity.

He bravely poked the vine, which had become as brittle as an egg roll. When he found that there was no response, he began to stab it madly, turning the entire vine into debris on the ground. The complete copper treasure chest was finally revealed.

Just like what the mysterious voice said before, the copper treasure chest has no keyhole and should be able to be opened directly.

But Xu Xin became cautious.

After being attacked by the vines, his nerves became sensitive. He now seriously suspected that there was something dangerous in the treasure chest that would attack him as soon as he opened it.

On the map, the red dot of the vines was gone, and there were no more red dots around him, but Xu Xin was still worried. After all, there were no red dots around them just before the vines appeared. Instead, the red dots slowly appeared when the vines were about to break through the ground.

Why do the red dots representing vines appear slowly?

Could it be that this vine came all the way up from deep underground?

Xu Xin suddenly remembered the giant anaconda in the lake next to his tree house. After the giant anaconda dived into the lake, the red light gradually faded until it disappeared.

What secrets are hidden underground?

Why do these seemingly illogical monsters all emerge from the ground?

Xu Xin suddenly felt that it was not safe to stand on the ground. He wanted to go back to his tree house. The tree house was ten meters high in the air, and the third floor was sixteen or seventeen meters high. Only at this height could he feel a little safe.

etc!

On the first day of entering this world, the mysterious voice told them, "Remember, don't abandon your tree house. The tree house is your only support." It emphasized this many times after that.

Now Xu Xin sensed the danger underground again.

Xu Xin felt that he had discovered something, but he had not discovered it completely.

Forget it, I don’t want to think about it anymore. Opening the treasure chest is more important.

Xu Xin, like a frightened bird, circled around to the back of the treasure chest. He suspected something would jump out of it, and opening it from the back would give him some time to react.

But the truth was, he was overthinking it. There was nothing extra in the treasure chest.

After opening the treasure chest, Xu Xin found that nothing jumped out, so he looked inside the treasure chest.

There is a bag of something on the top of the treasure chest. It looks like fertilizer?

[Natural Organic Fertilizer (Green): This fertilizer can transform barren land (white) into ordinary land (green). Sprinkling it on ordinary soil (green) can accelerate plant growth. 50 portions remaining.]

Fertilizers that can change the fertility of the soil!

Those survivors who had planted their treehouses in barren lands were finally saved. Xu Xin had previously discovered that soil couldn't be traded, so this fertilizer was probably their only way to improve the soil's fertility.

Can it speed up the growth of plants on ordinary soil? It doesn't seem to be of much use to him.

I put the bag of natural organic fertilizer into my backpack, and the things under the treasure chest appeared.

"Birch seeds? Pine seeds?" Xu Xin picked up two bags of seeds.

[Birch Seeds: It only takes 10 days to harvest a birch tree. Cutting down a birch tree will yield fine wood.]

[Pine Seeds: It only takes 10 days to harvest a pine tree. Cutting down a pine tree will yield logs.]

New tree species, new wood types, new resources!

Xu Xin was somewhat glad that he had found this treasure chest. The mysterious voice also said that the materials in this treasure chest were limited supplies. If he missed it, he would lose the ability to obtain this resource and might have to buy it from others.

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