"Click!"

The floor was directly violently broken open by Lin Fei, revealing a square safe underneath, Lin Fei cautiously probed, and after making sure that there was no mechanism, he opened the safe according to the password explained by Yu Xianbei.

After all, he can't keep it all right, will Yu Xianbei put ** or something behind the safe, once he enters the password, ** will blow up, then Lin Fei will die unjustly.

Cautiously opened the door of the box, a few angular crystal nuclei, lying quietly inside, Lin Fei counted carefully, just the primary white crystal nucleus, there were thirteen, the first-level green crystal nucleus, there were as many as four, and even, there was a blue crystal nucleus that Lin Fei had never seen!

"Huh?"

"Why is this nucleus the color like this?"

"Do you mean............ Is this a higher level of energy crystal nucleus above the first level? ”

Lin Fei speculated.

In fact, a long time ago, Lin Fei had suspected that the grade of the crystal nucleus was likely to be divided according to color.

It's just that Lin Fei has never seen a second-level zombie, and other second-level mutant beasts, and the only mutant white tiger he has seen is that Lin Fei can't beat it, so there is no way to verify it.

"Could this be a third-level energy crystal nucleus?"

"How can the Xingbei Gang have this kind of strength?"

Lin Fei was very puzzled:

He is not unclear about the top combat power of the Xingbei Gang, but there are only two second-level abilities, and as for those first-level evolutionaries, no matter how much they have in that level of battle, they can only be used as cannon fodder.

Two human evolutionaries in the early stage of the second level joined forces, and it was impossible to beat a third-level mutant beast at all, not to mention the huge level suppression, the body structure of the mutant beast, in terms of combat ability, was originally much more advantageous than humans, and it was simply impossible to defeat the strong with the weak.

The higher the level, the greater the gap in strength, the more irreparable the gap in combat effectiveness, and the more difficult it will be to win by numbers, and it can even be called slim.

Moreover, even if they killed a third-level zombie whose strength was weaker than that of the mutant beast, it would not be an easy task.

Although the individual strength of high-level zombies is poor, however, the zombies are 'corpses are numerous', and for a group of zombies who have no pain and no fear, even if Yu Xianbei and Iron Fist join forces, it is impossible to take the head of the corpse king from the 'zombie group'.

There will only be two results of the matter, either Yu Xianbei got it by luck by chance, or Yu Xianbei still hid something.

If the first one is fine, if it is the second, then Lin Fei's situation is not good.

It was useless to think about it now, Lin Fei held the blue crystal nucleus in his hand.

Gently rubbed it a few times, and under that cold and cold touch, there was a very huge amount of energy, and Lin Fei couldn't wait to absorb it.

"Discover primary energy, do you absorb it?"

The system's prompt sounded appropriately.

Lin Fei now urgently needs to improve his strength, just do what he says, he chose to absorb it without hesitation.

That familiar feeling came again, and the crystal nucleus in his hand slowly turned into powder, the only difference was that this time the energy absorption time seemed to be a little longer than before.

"Energy absorbed!"

"Secondary Mall opens!"

"Host strength level increased!"

"You can raise the strength level of a pet once!"

A series of mechanical beeps from the system came to mind.

Listening to the system's successive prompts, Lin Fei's heart was about to fly:

This time, not only has his own strength increased, but the system has also opened a secondary mall, and most importantly, it can also raise the level of a pet once.

These things, just pick one out of them, are all great news for him, not to mention that they are all put together now.

Lin Fei felt it carefully, his strength had indeed been raised by a small realm level, counting the two small levels he had promoted himself tonight, he was now already at the peak of the first level!

The first-level peak, although it is not a top-level combat power, can definitely be counted as the top part of the middle.

Don't dare to say anything else, with Lin Fei's current strength, the strengthening system strengthens his physique, and he can completely face Yu Xianbei at his peak alone, without defeat, and you will come and go.

In the end, even if you are defeated, you can easily get out of the way, and if you cooperate with the pets, it will not be a problem to kill Yu Xianbei.

"Alas!"

"It would be great if I could have been promoted earlier!"

"In this way, Kuroko and Red Ink Fire will not be so seriously injured!"

Lin Fei sighed, and felt a deep burst of self-blame.

"Strength!"

"It's still not strong enough!"

Lin Fei shook his head, buried this grief and indignation deep in his heart, and turned it into a pilot light on his way forward, inspiring him and making his unrelenting efforts stronger.

Lin Fei opened the system mall, checked it, and found that the original life elixir and the Thirty Soul Breaking Pill had been promoted to the second level, and two more new gadgets had come out:

'Broken tendons and bone erosion pills! ’

The person taking the medicine will have severe pain in the muscles and bones of the whole body, like insects and ants, the pain will continue to last, and it will become stronger and stronger, except for the system, there is no medicine to solve.

'Scattered! ’

When the poison is attacked, the poisoned person will have severe pain in the muscles and bones of the whole body, and after two moments, he will immediately die of poison!

A very brief description explains the usefulness of both potions.

"How does the system keep making these horrible things!"

"This is simply a hybrid and enhanced version of the Lent Soul Breaking Pill and the Broken Muscle Bone Pill!"

Looking at the short description, Lin Fei shivered all over his body, but when he remembered Yu Xianbei outside, the corners of Lin Fei's mouth turned up again.

"However, how does this introduction reveal a strong martial arts style?"

"According to the way it looked, the system is the product of some kind of high-tech?"

Lin Fei was puzzled, and then, he swept away all the energy crystal nuclei, put them in his pocket, and went downstairs to return to Yu Xianbei.

"Hey!"

"Yu Xianbei, where did you get that blue energy crystal nucleus?"

Although Lin Fei had a calm look on his face, his heart was very dignified:

Because, if Yu Xianbei could really join forces with Iron Fist and the two to kill a third-level mutant beast, then Lin Fei was now standing in front of him, and the threat would skyrocket.

Lin Fei quietly put his hand into his pocket and felt the trigger, as long as Yu Xianbei made any moves, Lin Fei would immediately blow his head!

psAuthor's words:1、If you want to communicate the plot of this book together、Character settings,And some comments to the author, etc.,Readers can join the QQ group of four leaves:521224458

2、There's still a chapter later.,I don't know if there are any readers waiting for the update of the four leaves.,If there is,,Don't wait any longer.,Go to bed early.,Good night!