End of the World: Copy 23 trillion gold at the beginning

Is this... a crystal core?

Suddenly, a special name flashed through Lin Feng's mind.

In the previous life, crystal cores were extremely rare. Generally, one had to kill hundreds of zombies to get one from the zombie's head.

More importantly, the crystal core can enhance human physical fitness, whether it is explosive power, agility, strength, speed, or even the five senses, there will be a significant improvement.

And after taking the crystal core, certain antibodies will be produced against corpse poison.

Therefore, this is another resource that all the major forces are fighting for in the end times, in addition to supplies.

The crystal core was an almost transparent crystal. If it wasn't slightly light green, it would have been difficult for Lin Feng to find it.

This crystal core is really too small, at best only the size of a grain of rice.

After all, the crystal core in a zombie pigeon's head can't be that big.

I guess this crystal core was knocked out from the zombie pigeon's head when it hit the glass and broke its head.

Seeing that it was completely safe outside, Lin Feng carefully opened the window, took the crystal core in his hand and looked at it carefully, and finally confirmed that it was indeed a crystal core.

It seems that swallowing essence cores to improve one's strength is also a good choice.

There will be some side effects the first few times these crystal cores are swallowed, but given Lin Feng's current condition, these side effects can be easily resolved.

But there are really too few crystal cores in the previous life. I don’t know what will happen in this life.

Just as Lin Feng was thinking about it, he suddenly had an idea and prepared to copy this crystal core 1000 million times.

【Warning! Because the system has not been upgraded, copying is temporarily unavailable! 】

Lin Feng was stunned when he heard the system prompt.

"It turns out that the crystal core cannot be copied yet."

After knowing this result, Lin Feng couldn't help but feel a little disappointed, but after Lin Feng changed his mind, the corners of his mouth actually rose slightly.

Because before the end of the world, he had already prepared all the necessary work, so he naturally would not be too disappointed because he could not copy the crystal core.

At this moment, Zhao Lusi actually walked up to Lin Feng: "What are you doing?"

"I think I should have found a way for us to survive in the apocalypse." Lin Feng said slowly.

"what way?"

When Zhao Lusi heard this, her eyes lit up and she looked at Lin Feng anxiously.

Unexpectedly, Lin Feng smiled faintly, raised the rice-sized crystal core in his hand and said, "You guys go out and look in the skulls of those dead zombie pigeons to see if there is still this thing."

"Lin Feng, what is this? It's as crystal clear as crystal."

"I'll tell you later, you guys go quickly."

"alright."

Seeing Lin Feng so anxious, Zhao Lusi had no choice but to respond. She turned around and called the others to go to the yard to search for the crystal-like thing that Lin Feng had in his hand.

"Is Lin Feng this thing?"

"Brother Feng, I found one too."

"Me too."

"..."

But what Lin Feng didn't expect was that in just a short while, Zhao Jingyi and the others found dozens of crystal cores.

It seems that the zombies in this life not only evolve faster, but the probability of exploding crystal cores has also increased significantly.

There is probably a crystal core in the heads of every three or five zombie pigeons.

Just like that, when Zhao Jingyi and the others searched through all the zombie pigeons, they actually found half a bowl of them.

This made Lin Feng overjoyed.

Half an hour later, everyone placed the washed crystal cores on the dining table. The girls stared at the crystal cores in the bowl without blinking.

"Lin Feng, now you should tell us what this thing is used for, right?"

At this time, Zhao Jingyi finally couldn't help but asked.

So Lin Feng explained to them the function of the crystal core in general.

Upon hearing this, Zhao Jingyi immediately questioned, "Is this thing so magical?"

"Yes, Brother Feng, this thing was taken out of a zombie's head after all. Are you really sure it's edible?"

At this time Wang Shuxue also spoke.

Guan Qingyan and Guan Yuanyuan also said at the same time: "That's right, Brother Feng, why don't we think of another way and not eat it?"

"..."

Facing the girls' worries, Lin Feng smiled calmly and said, "To be honest, this thing does have some side effects, but with you here, it can be easily solved."

"us?"

Upon hearing this, the girls looked at Lin Feng and spoke in unison.

Because they really couldn't figure out what the crystal core in this bowl had to do with them.

"Well... you'll know by tonight?"

When the girls heard what Lin Feng said, they immediately understood what was going on, and everyone's cheeks immediately flushed.

"Then I'll go cook right now."

Zhao Jingyi immediately stood up and went into the kitchen.

"Sister Jingyi, let me help you."

"And I."

"I am coming too!"

At once, the other women also rushed into the kitchen.

When Lin Feng saw this scene, the corners of his mouth twitched involuntarily.

Five minutes later, Zhao Jingyi placed a pack of cooked instant noodles in front of Lin Feng.

"You...let me eat this tonight."

Lin Feng looked at Zhao Jingyi in disbelief.

"Sister Jingyi said this saves time, and she even beat two eggs for you. Come eat quickly, Brother Feng."

At this time, Wang Shuxue held her cheeks and looked at Lin Feng seriously and said.

Faced with such concern, Lin Feng could only eat the bowl of instant noodles with two eggs with tears in his eyes.

At this moment, Lin Feng finally understood the principle that everything will turn into its opposite when it reaches its extreme.

Fortunately, he had the crystal core to help him in this life, so Lin Feng secretly breathed a sigh of relief.

Otherwise, within two years, Lin Feng would have died...

So, under their expectant gaze, Lin Feng swallowed the crystal core of the zombie pigeon in the bowl in one gulp.

In an instant, Lin Feng felt a warm current spreading throughout his body. Gradually, as the energy of the crystal core was absorbed, Lin Feng felt that his whole body was full of strength, and he wished he could kill a cow.

This force left Lin Feng with nowhere to vent, and it spread to his lower abdomen, making him feel uncomfortable all over.

Then Lin Feng casually pulled Yang Mi up and quickly walked towards the bedroom...

The next morning, Lin Feng got up early and the corners of his mouth couldn't help but rise, because he found that his muscles were obviously stronger and more explosive than before.

"It seems that the crystal core is indeed effective."

Lin Feng was very satisfied. After doing a set of military boxing, he went to the window again as usual, picked up the telescope, and observed the changes of the zombies outside the villa.

Just as I expected yesterday, the skin of these zombies has indeed changed, and their movements are no longer as slow as before.

Just as Lin Feng was observing the zombies and thinking to himself, a person suddenly broke into his sight...