Professor Zheng’s major is ‘urban planning and garbage disposal’. This is a very special research direction. It must be practiced both arts and science, and also has a practical spirit. It has been really not easy to do this in the past few decades.

After all, everyone hates garbage, but it is extremely complicated. It is hard to deal with it while sitting in the ivory tower and thinking about it. It must be handled on site.

However, flower planters have grown wildly in the past few decades. Researching urban planning requires a long-term vision, and garbage disposal is thankless.

When he was free from the constraints of his body and supported by the strong negative energy from the north, the old professor's work ability was an order of magnitude. He was already in his nineties when he died, and Amitabha Buddha could be awake for an hour or two every day. Now,

Working uninterrupted for twenty-four hours, your mind is very clear and keen.

For those who are engaged in scientific research, it is the most perfect to have experience in their seventies and eighties, responsibilities in their forties and fifties, and vitality in their twenty or thirty years old. Professor Zheng has collected all these qualities.

Faced with the magic field that he had never been exposed to before, the old professor was as curious as a primary school student and had plenty of time to squander. He had enough knowledge accumulation and good learning methods, focused on thinking for a month, and his efficiency exceeded that of Zhou Qingfeng for one or two years.

"In my current state, only by completely transforming into a necromancer can we have an affinity for magic. Therefore, to study negative energy, the first step is to complete the transformation of form." The old professor is very confident in his recent study and research.

Outside the Banshee Castle, Zhou Qingfeng changed to a deserted village to live in. This is the fourth address he has changed in recent times, just to avoid being tracked by outsiders.

In the dry well in the deserted village, the negative energy was extremely strong, but Zhou Qingfeng still felt that it was not enough, so he released hundreds of hidden servants and disintegrated them all. For a moment, the negative energy in the dry well was as strong as drowning, cold and bone-black enough to invade the soul.

Taking out the "soul-catching coin", Zhou Qingfeng exchanged a red crystal for the power of the Mondino Necromancer. He looked through the magic net and waved his hand to attract a gray soul from his mind.

This is a Black Forest resident who regards the "Holy Light" as his faith. After his death, his soul did not go to the underworld, but instead entered the information network. Sophia previously said that Zhou Qingfeng had many gray crystals, which were referring to them.

‘Summoning the Undead’ ghost.

Under the dark night, Zhou Qingfeng raised his palm in front of the dry well. The gloomy and rich negative energy quickly condensed and continued to pour into the gray soul. After a while, the chaotic soul reshaped into a hazy human form, with two red lights on his head.

A lowest-level ghost was born. It looked at Zhou Qingfeng and bowed slightly. This was transformed from a complete human soul. Its wisdom is far higher than that of the Yinfu, but it is still weak.

Cialek was puzzled by this and asked, "Boy, you are already an alchemist, why do you want to transform the dead spirit? Do you think you don't have enough hidden servants?"

For Cirick, its spiritual consciousness can scan the situation in the range of dozens of meters near Zhou Qingfeng, but it cannot scan the situation in Zhou Qingfeng's body and mind. This characteristic is like "dark under the lamp" is the premise for concealing the existence of the old professor.

Zhou Qingfeng ignored the conversation and continued to take out the gray crystals for conversion. He processed more than ten pieces in one breath, and more than ten weak ghosts with two red lights were added in front of him. The whole process consumed a lot of negative energy, causing a slight shock to the magic net.

In the end, the negative energy in the deserted village was almost absorbed. The negative energy outside the village rushed over to fill it, and even triggered a negative energy vortex. Generally, the vortex will not last too long. : :

Zhou Qingfeng seemed to have messed up the experiment. When he saw that something was wrong, he seemed to want to turn around and run away. The unknown reason could not help but laugh at him, "Boy, what are you going to do? If you don't understand, please ask me, so as not to die incomprehensible."

Uncle Zhou still didn't say anything. There were quite a few magic experiments he did after he became an alchemist, and most of them failed. This time he didn't care as he used to, and he would mess it up, but the loss was not big anyway.

But Zhou Qingfeng was about to run away. Facing the increasingly surging negative energy vortex, he reached out to touch it. Cialek quickly shouted: "Boy, don't die randomly. You will die due to negative energy erosion."

Zhou Qingfeng's finger paused. He hesitated for only a second, then reached out and touched the huge negative energy of the vortex rushing in.

With the help of the power of the necromancer, Zhou Qingfeng guided the negative energy that entered the body into his mind. Professor Zheng’s soul was waiting there, and all the negative energy was used to transform his yellow-quality soul.

The negative energy vortex centered on the dry well has a new catharsis channel. Because the vortex has its own suction force, it continues to strengthen and becomes more and more fierce.

The old professor's ghost transformation was completed almost instantly, and negative energy continued to pour in. Cialek began to increase the volume, "Boy, what are you going to do? You shouldn't really want to convert to a necromancer. This is not good for you."

The forced extraction of negative energy caused a more violent shock to the magic net, and Cialik's divine thoughts were affected. It began to keep saying, "Boy, are you trying ancient evil words? I must warn you that it is dangerous to do this."

The negative energy vortex is indeed becoming more and more dangerous. Zhou Qingfeng did not stop the extraction. Instead, he took out a "Tear of the Emperor" from his pocket. This was obtained by Fabro in the ruins of "Silver Leaf City" and gave it to please.

As a top-level jewelry, "Tears of the Emperor" has extremely strong magic storage characteristics. Zhou Qingfeng usually does not use it when doing experiments, but now hesitates to use this jewelry as an energy container and continue to extract it.

But it is far from enough to have the "Tear of the Emperor" as an energy buffer. Zhou Qingfeng made up his mind at this time and pulled in more than a dozen believers of "Holy Light" who had just been transformed into ghosts, and the negative energy was accompanied by it.

These believers are all ignorant Black Forest residents. Their soul quality is too low, and completing ghost transformation is already at its limit. The impact of the negative energy vortex immediately exploded three of them, followed by four more.

The continuous blasts buffered the negative energy impact, but the shock caused by the blast scared Cyric. It kept asking Zhou Qingfeng what he wanted to do, and also gave various ideas to help Zhou Qingfeng deal with the damage caused by the impact.

When the "Emperor's Tears" turned from crystal clear white to thick black, when more than a dozen believers had ghosts left, and when Cirick was so crazy that he cursed incoherently, Zhou Qingfeng finally broke away from contact with the negative energy vortex.

In Zhou Qingfeng's mind, the old professor's transformation went further than expected. He not only became a ghost, but also became a necromancer with an apprentice level, but also the remaining four believers of ghosts were tempered in negative energy.

The ghost of the believer was controlled by Professor Zheng and slowly entered Zhou Qingfeng's body. After confirming that the danger disappeared, Cialek cursed in anger: "Boy, do you want to kill me? Do you have any plans? You are all delusions!"

Zhou Qingfeng was too lazy to pay attention to Cialick. Professor Zheng, who was transformed into an apprentice of the necromancer, said in a secret language: "This conversion is a rare practical experience. I already understand how to absorb and store negative energy.

In addition, I feel that the evil gods who are lying in your body seem to be very sensitive to negative energy impacts. We can do more experiments in this area in the future."

Zhou Qingfeng held the black 'Emperor's Tears' and calmly replied: "It's so strange that Cirick is an evil god. He actually reacted so much to negative energy. This is indeed something I had never expected before."

But Cialek also shouted viciously: "Victor Hugo, I seriously warn you. You must stop doing any experiments related to the Necromancer system, otherwise I will not hesitate to self-destruct and will kill you together."
Chapter completed!