I picked up a green stone and examined it carefully.

"This thing is indeed similar to what is recorded in the [ Records of The Nolan Continent ] ."

Recalling the records in the [ Records of The Nolan Continent ] , this was something that many mages used to replenish their energy.

I immediately held it in my hand, closed my eyes, and tried to absorb it.

Sure enough, just as I concentrated, I felt a tremendous power in my hand.

I even felt that as long as I wanted to, the energy within the stone would be easily absorbed by me.

In other words, this thing was indeed a magic crystal stone.

I counted the number of magic crystals in my hand.

Twenty-one pieces.

From what I had just probed with my spiritual force, the energy contained within this magic crystal stone could be used by Regulus for two to three days.

These 21 magic crystal stones should be enough for a period of time.

In addition...

On a stone not far away, there were a few mountain goblin elites who hadn't retreated back to the crack.

They were obviously guarding against the Knight King's return.

I looked at the scars on the Knight King's body and the deep dent on the mace made of iron birch wood.

After a moment of silence, I rode on the Knight King's back and looked back at the Stone Mountain behind me.

I knew that I wouldn't come here to collect magic crystal stones for the time being, unless the knight King evolved again, or I obtained an undead with stronger defense.

Otherwise, the mountain goblins here would always be an obstacle to me collecting magic crystal stones.

...

With the Knight King's speed, I quickly returned to the small house.

After returning, I didn't immediately install the battery on Regulus.

This was because these rocks that were thrown out by the mountain goblin elites were mostly unpolished. Moreover , the rocks still need to be modified to be installed as battery on Regulus.

However, just as I wanted to modify Regulus, I discovered a new problem.

Regulus' head had completely grown back. I could no longer find any wounds or cracks on his skull.

During the ritual of transforming him into a Lich's assistant, the power from the underworld had repaired his broken body.

However, the power of the magic Regulus cast was gradually diminishing, and it was his head that had problems.

I couldn't open his head.

After the undead was created, his head became his Achilles' heel.

If there was a problem with his head, then the undead would either be killed or injured.

This put me in a difficult situation.

The problem was with his skull, but now I couldn't open his skull...

I was in a difficult situation.

Looking at the polished magic crystal in my hand, I fell into deep thought.

I wanted to find a way to solve this difficult problem.

Just as I was thinking hard about this problem, I suddenly remembered a movie I had seen in my previous life.

Wanda Vision.

I could mount the magic crystal on Regulus' forehead like Vision.

This way, the magic crystal would be close to his head and solve the problem of insufficient energy. It would also be easy to replace the magic crystal stone when it ran out of energy.

It was killing two birds with one stone! ! !

Thinking of this, I immediately modified Regulus, creating a hole on his forehead that could hold a magic crystal stone.

Half an hour later.

Looking at Regulus' forehead, which was like Vision with a green stone inlaid on it. He seemed to be in high spirits. I nodded in satisfaction.

Then, I carried out an experiment. I wanted to see if the power of the spell that Regulus had cast after adding the battery had become stronger.

I walked to the iron birch outside the small house and had Regulus cast another spell on the iron birch.

"Boom --"

After a loud bang, a hole successfully pierced through the iron birch.

This meant that my experiment had succeeded.

I only needed to use the magic crystal as a battery to replenish the energy when it ran out.

After experimenting with the iron birch, I once again looked at some of the animals in the forest.

I wanted to see if Regulus could still turn the animals into zombies after changing his power source from himself to the magic crystal stones.

If he couldn't, then this transformation would be considered a failure. I needed to improve my plan again.

If he could, then what about the duration of the zombie virus infection and the duration of its attack. Would it be longer or shorter? Or would it be the same as before? Or would it be able to transform animals into zombies in five minutes.

So, I asked the Knight King to bring me and Regulus into the forest to search for small animals to carry out the next step of the experiment.

Today's weather was as gloomy as usual.

Walking in the woods, I found something was different from the past.

When I went into the woods to collect materials and hunt, I could always hear several kinds of insects and birds as soon as I entered the woods. I could also see many small animals.

But today was different. It had been more than half an hour since Regulus and I rode into the woods on the Knight King.

It had been more than ten miles into the forest, but the forest was still very quiet. Not even the birds could be heard, let alone the small animals.

A wave of confusion suddenly rose in my heart.

What was going on?

What had happened in the forest that caused all the animals to migrate? But such a big migration, it should be very noticeable.

Or did some new, powerful carnivores appear in the forest these past two days? But even if some powerful animals appeared, they wouldn't eat all the animals so cleanly!

All sorts of different guesses flashed through my mind, but I quickly rejected them one by one.

With these doubts in my mind, I kept looking for something that could be used as a test subject.

Soon, it was evening.

I thought I was going to return empty-handed today, but an animal hiding in the crack of a rock with only half of its tail exposed caught my attention.

It was a lizard.

I hurried to the rock where the lizard was and told Regulus to cast the spell as soon as possible. I was afraid that the lizard, which I had finally found, would run away again.

Regurgitated raised his wand with a serious expression and was about to cast the fireball spell.

"Wait --"

Seeing Regulus' serious expression, I hurriedly went forward to stop him.

I had spent an entire day to find this lizard. Moreover, it seemed that it was unlikely that I would be able to find such an animal today.

If Regulus was to cast a fireball spell and turn it to ashes...

I wouldn't have anywhere to cry.

I cupped my chin and thought for a moment.

I wanted to find a way to make Regulus, who couldn't freely control his mana output kill the lizard without turning it to ashes.

After thinking about it for about five minutes, I finally came up with a solution.

Regulus continued to condense the fireball, but he chose not to send it out. Instead, it stayed in the air.

I would grab the lizard again and slowly approached the edge of the fireball.

Then, I would use the temperature of the edge of the fireball to burn it to death.

I was prepared to burn it to death according to plan.

"There are more and more people coming over these few days. Do you think we should..."

Just as I was about to let Regulus continue condensing the fireball, a voice suddenly came from the other side of the Stone Mountain.

This sudden voice stunned me.

Isn't that a human voice?

How did it get here?