Physically exhausted, there are recovery potions.

Thought power is exhausted, but there is no potion to restore it.

And exhausted, even if there is no recovery potion, it can be recovered after a night of sleep.

But the power of thought is exhausted, but it takes a long time to recover slowly.

He smiled wryly.

However, he is still very satisfied with his current strength.

With the power of one person, a million corpses can be laid down.

Just ask who else in the world can do it?

And he hasn't exerted his full strength yet.

However, he did not relax because of this.

The appearance of that beautiful zombie made him vigilant.

The strength of the beautiful zombie is obviously much stronger than that of ordinary mutant zombies.

Then it is very likely that there are more powerful mutant zombies.

So I still have to continue to sign in and become stronger.

Facing those mutated zombies, he didn't just need to be able to kill them.

Instead crush them.

Just as he was thinking of this, the voice of the system in his head suddenly sounded.

[The system can be upgraded, do you want to upgrade now]

When Mo Shi heard this, he was overjoyed.

Think what comes.

It seems that the last time the system was upgraded after he killed a large number of zombies.

This time is still the case.

Immediately said without hesitation:

"upgrade."

[The upgrade takes 12 hours. During the upgrade period, you cannot sign in. 】

The system reminded.

Then the upgrade started.

Twelve hours later, it was around three o'clock at night.

The sound of the system suddenly sounded again.

But Mo Shi had already calculated the completion time of the upgrade, and was waiting for this moment.

【update successed! 】

[Reward: 5 brain cell recovery potions. 】

[Reward: 10 enhanced Titanium Dragon Gene Enhancers. 】

[Reward: 10 recovery potions. 】

[Reward: 5 brain cell enhancers. 】

[Reward: 1000 bloodthirsty corpse-slaying flying knives. 】

Seeing these rewards, Mo Shi couldn't help smiling again.

This is all what I need most right now.

As soon as he thought about it, he took out a brain cell recovery medicine from the system backpack.

This brain cell recovery potion is dark red.

Like the color of wine.

oral.

He opened his mouth and swallowed it.

The next moment, I felt the pain in my head was disappearing rapidly.

In just 5 minutes, I feel refreshed.

He was overjoyed.

The system's reward this time can be regarded as a conscience.

Put away the remaining four brain cell recovery potions.

Then, those enhanced versions of the titan dragon gene enhancer and brain cell enhancer were all injected into the brain.

Immediately, I felt that both my mind and my physical strength were much stronger.

His strength should break through soon.

After this intensive use of mind power, the mind power has increased a lot.

And now these 5 brain cell enhancers are injected.

His power of thought has increased a lot.

This filled him with confidence.

At the same time, the system voice came again:

[The content of this upgrade is as follows:]

[1: System backpack expansion.Each grid of the system backpack can store up to 10 of the same item. 】

[2: Sign-in reward designation system.You can gain evolution points by killing zombies.Evolution points can be used to exchange opportunities for specified rewards.Note: When specifying rewards, the location can be ignored.And only rewards that have appeared in the system can be specified. 】

[3: Event reward mechanism.After doing a specific event, you can get relevant rewards by signing in. 】

The content of the upgrade is a little bit more.

For Mo Shi, who is afraid of trouble, he seems a little overwhelmed.

After reading it several times in a row, I almost understood the meaning of the system.

[Backpack expansion] Needless to say.

Now after upgrading, each grid can hold 10 of the same item.

Can hold up to 1000 items.

This is better than a personal warehouse.

[Designated sign-in reward], that is to say, as long as you kill zombies, you can get evolution points.

You can use these evolution points to exchange for opportunities for designated rewards.

Get whatever reward you want.

This is very practical.

[Event reward mechanism], that is to say, you can also get related rewards for doing things.

This is easy to understand.

For example, if you sign in after killing a zombie, you can get rewards related to the zombie.

……

It was three o'clock at night.

Mo Shi quietly left the corpse farm and crossed the base wall.

Came to the abandoned city outside the base.

In the city, there are still some zombies wandering around.

With a slight movement of Mo Shi Nianli, he controlled a bloodthirsty flying knife and flew towards a zombie.

This Bloodthirsty Corpse Slicing Knife is exactly the same as the Bloodthirsty Corpse Slicing Knife no matter in terms of material, color or shape.

The only difference is that the bloodthirsty corpse-killing flying knife is smaller.

But it's a flying knife, but it's actually not that small.

Each bloodthirsty corpse-slaying flying knife is one foot long.

Chi-

Mo Shi controlled the bloodthirsty corpse-slaying throwing knife, directly penetrated the [-]-centimeter concrete wall, and hit a zombie.

Instant kill on the spot.

Mo Shi was overjoyed.

Use your mind to control the bloodthirsty flying knife to kill zombies.

It is much better than controlling those stones.

It is impossible to penetrate the wall so easily with stones.

You know, the sharper the thing you control, the less power you need to consume to penetrate the zombie's body.

He could clearly feel that controlling the bloodthirsty corpse-killing flying knife consumes much less thought power than using stones to kill zombies.

Estimated to be only one tenth.

Moreover, the bloodthirsty corpse-slaying flying knife can also absorb the blood of zombies and turn it into strong acid.

In this regard, stones are far beyond comparison.

Soon, a system prompt came to my mind:

[Kill 1 ordinary zombie and get 1 evolution point. 】

Mo Shi asked: "How long does it take to redeem the opportunity to select rewards?"

The system voice came:

[Each exchange requires 1000 points. 】

"Nima."

Mo Shi was speechless.

If the system was upgraded earlier, wouldn't the millions of zombies killed during the day be able to obtain millions of evolution points?

Next, he made a circle around the base.

After this lap, more than 1000 zombies were killed.

And among these zombies, one is a mutant zombie.

Immediately came a reminder in my mind:

[Kill 1 mutant zombie and get 1 evolution points. 】

Mo Shi nodded secretly.

A level 1 mutant zombie has 100 evolution points.

That's not bad.

At this time, his evolution point has reached 1123.

He said in his mind:

"System, a chance to redeem a designated reward."

[The exchange is successful, which reward should the host choose? 】

Mo Shi said without hesitation:

"Brain cell enhancer."

Now I have these 1000 bloodthirsty corpse-slaying flying knives.

Wouldn't it be too wasteful if we didn't strengthen our thoughts?

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