Raz immediately agreed, and what he had just said was only to drive down the price.

If Chen Cao had found other demons to sell, then he would have lost this large amount of income.

Although he doesn't have a way out at the moment, it's because he has never been in the angel crystal business in the past.

What are angel crystals? To demons, it's the equivalent of human radioactivity.

What is the price of triple demon crystals, as long as he finds a way, he can increase it tenfold on this basis.

Just like in the world, smuggling arms is always the most profitable business.

Of course, he didn't know that Chen Cao also had an eye on it.

He needed to inquire a little deeper, to find out from the other demons how much Raz had earned this time, and then consider what price the remaining angel crystals would be sold for.

"Honorable living, I don't have so many demon crystals in my hands, can I use my goods as collateral?"

"Well...... I bought everything I should have bought, and I didn't really need the others. ”

"Didn't you like the space ring last time? ”

"But a hundred years of demon crystals are too expensive, and I still don't want to buy them. ”

"I'll give you a discount, ninety years?"

Chen Cao still shook his head: "It's still too expensive." ”

"Eighty-five years, it can't be lower. Raz looked pained.

"Sixty years. ”

"No way, eighty years, that's my bottom line. ”

"Seventy years, no matter how high it is, you should pay me the demon crystal directly. ”

"Your Excellency, please show mercy, I will lose money in seventy years. ”

Chen Cao sneered, you should never believe what a profiteer says, let alone that this is a demonic profiteer.

"Seventy years, if you accept this price, I will give you the angel crystals now, and then deduct the price of the goods just now, and you will pay me fifteen demon crystals, if you don't accept it, then forget it. "Chen Cao bit the price and didn't let go.

"Seventy years is seventy years, but the remaining fifteen demon crystals, you can buy some of my goods, so that I don't lose too much. Raz said with a hard face.

"What other goods do you have besides the goods I just wanted?"

Raz spread all the goods in front of Chen Cao, and then explained them one by one.

Chen Cao looked left and right, but he was not satisfied, and there was not even anything that could be used.

"Is there a demon magic book that I can learn?" asked Chen Cao.

"Yes. Raz said immediately, and pulled out a golden book from the pile of goods.

Chen Cao took the golden book and gasped, it was so heavy.

"The pages are made of pure gold?"

"This is demonic dark gold, not earthly gold, and it is the least valuable metal in hell. ”

Chen Cao looked at it carefully, and this book was indeed not gold.

This made Chen Cao a little disappointed, if it was gold, he would sell it directly.

"The symbol on this is the text of the devil?"

"Yes, Your Excellency the Living, I recommend that you purchase my demonic potion, which will allow you to learn the Hell symbol directly. ”

"What price?"

"Ten years of demon crystals, counting the five years of demon crystals in this magic book, is exactly fifteen years of demon crystals. ”

Chen Cao glanced at Raz: "Give me another drop of demon dragon blood, and I will accept it." ”

After thinking hard again, Raz reluctantly accepted the price.

"Encyclopedia of Demonic Magic. Chen Cao directly drank the demon potion, and in a blink of an eye, he had already understood these hell symbols: "Is all the magic of hell recorded here?"

"It's not that comprehensive, it's just that the most common demonic magic is recorded here, you can pick the most suitable practice, if you want to advance the magic, I'm afraid five years of demon crystals are not enough. ”

"More on that later. ”

After making the deal, Raz went back.

Chen Cao held the magic book weighing more than 20 kilograms and looked at it, and I have to say that the weight of the book was too great, so Chen Cao couldn't read it for a long time.

As a last resort, Chen Cao could only drink a superhuman potion prepared by himself.

Chen Cao called this potion a superhuman potion, which was actually basically the same formula as the potion he gave David before.

The only difference is that Chen Cao's superhuman potion is made of perfect crystals, and the medicinal effect is much higher than that of ordinary strength elixirs.

Although Chen Cao called this a superhuman potion, it was impossible for Chen Cao to become a superman.

Chen Cao just became stronger, that's all.

In contrast, Chen Cao looked forward to demonic magic, which was the real supernatural power.

"Hey, if you use this blood to coagulate and treat high blood pressure, it seems to be a good choice, this magic doesn't seem to be difficult. Chen Cao said to himself.

The death knell of hell, this magic seems to be useless, giving people a glimpse of hell.

Ghoul's Doom, which looks like the undead magic in the novel, has to prepare a corpse first, and the neurotic carries a corpse with him.

Banshee's Confusion, this seems to be an advanced hypnotism, used to treat insomnia, and the effect should be very good.

Mental stinging, this thing is used to torture people at all.

"Black, didn't you say that most of the demonic magic can't be learned by humans, why does it feel so easy? At least it's not as difficult as I imagined. ”

"I don't know, maybe you're special...... Lend me your book when it's empty. ”

"And demonic magic that you don't know?"

"Actually, I don't, and it seems that there is demonic magic that I can learn as well. ”

When it comes to learning magic, Lao Hei and Chen Cao are both beginners, so the two have a lot of common language.

Chen Cao has a mental container, so he doesn't feel tired.

Although the spiritual container is not very useful, it can make Chen Cao go three days and three nights without sleeping.

Before I knew it, I had been on Lao Hei's territory for six or seven hours.

"Lao Hei, I'm going to sleep, you study it slowly. ”

"I'm going out hunting when I have time. ”

Knock Knock Knock –

At this moment, a dull sound came from the gap in the space.

Someone was knocking on the entrance door, it should be Fari.

Chen Cao came to the exit, and the three-headed dog followed, very reluctant.

Fari was on the other side of the door, and the door was pushed open from the inside, and in an instant, Fari saw a huge black shadow in the mist.

Chen Cao walked out of it with Wanda, then closed the door, and the key turned on the door.

"Farry, what's the matter?"

"I see, inside, behind you just standing, there's a big thing, what is it?"

"What the hell did you call me out?"

"Tell me first, what was that? Is it some great demon king sealed here? Are you some mysterious organization silently protecting humanity?"

"Later, when you knock on the door, turn around and don't look at that thing, or your soul will be devoured by it. ”

"Why didn't you say it earlier, I just came into contact with that thing's eyes...... Could it already be lurking in my body, and then devouring me in my dreams?"

"No, his seal is strong, as long as you don't step inside this door. ”