Li Feng wandered around, found a group of demonic beasts, and killed them with the Ten Thousand Blades Longyuan Sword, the whole person was like a demon king, killing wildly, murderous, extremely terrifying.

He noticed that in this state, his strength had risen to a higher level, reaching the level of a low-level king, and the battle Li was amazing, that is, his emotions were a little out of control, he liked to kill, and he would fall into madness for a long time.

"If this state can be controlled freely, it will be very good to use it when killing demons!" Li Feng's eyes flickered, looking for an opportunity to control this abnormal state on his body.

At this moment, he felt that there were several forces in his body rioting, and the Dark Origin Law and the Abyss Demon Fire still could not be urged, which was the main source of the riot.

In addition, the effect of the remaining green poison madness potion in his body continued, refining his body and eroding his soul, which could not be removed, which was also a problem.

Originally, if the power of the Holy Soul could be used, it should be able to clear the effect of this potion, but now the power of the Holy Soul is suppressed by the mysterious power in the body, and it cannot move, and it is no longer generated.

Li Feng's soul has now turned into gold and black, exuding boundless killing intent, almost out of his control, this is a very bad situation, in case the situation gets out of control, he will become a real murderer, and become a puppet in the hands of Ewentilin.

Li Feng thought about it for a while, and decided to get the effect of the Green Poison Mad Elixir first, and then break the mysterious power in his body.

After killing the demonic beasts for half an hour in a row, the killing intent in Li Feng's heart was reduced a little, and he was able to control it a little. He found a safe place. Start thinking about solutions.

He is a master of apothecary. He has a very in-depth study of potions, although he doesn't know the specific ingredients of the Green Poison Mad Elixir, but from some symptoms, he can deduce that it probably contains those medicinal materials.

As long as he can analyze the composition of this potion, he can prescribe the right medicine and find a cure.

I have to say that as a special potion that Ewentilin treasures with her, the Green Poison Mad Elixir is very terrifying, and it is probably developed by a certain Potion Grandmaster. The components are extremely complex, and it is almost impossible to analyze a solution in a short period of time.

Therefore, Li Feng decided to find a drug that could suppress the effect of this medicine to a certain extent and alleviate the current dangerous situation.

Time passed slowly, Li Feng's package contained a lot of medicinal herbs, which could be used for many tests, and he used a hidden cave as a base to conduct potion tests.

Whenever the killing intent in his heart could not be suppressed, he would go to the surrounding area to find powerful demonic beasts to duel. A lot of loot was harvested, and there were also some medicinal herbs unique to the Demon Domain.

When it first started. Li Feng was preparing to refine a light-based potion to consume the effect of the Green Poison Mad Elixir, but after many tests, he found that the effect of the Green Poison Mad Elixir not only did not weaken, but also had a tendency to increase.

Seeing this situation, Li Feng decided to adopt another way, fighting poison with poison, and replacing the green poison madness potion with a dark potion that he could control.

This potion must be darker than the Green Poison Mad Elixir, and only then can it be possible to suppress the Green Venom Mad Elixir and achieve dominance.

I have to say that this method is very dangerous and extremely risky, and if it fails, his last hope of recovery will probably disappear, and the whole person will completely become a murderous madman.

In Li Feng's alchemy career, he had refined a lot of poisons, and the Green Poison Mad Demon Elixir was an extremely powerful poison he had encountered, and there were very few potions that could compare to it, but it was not nothing.

Master Poison Xi, who taught him alchemy ability, is a master of poison making, because the dark attribute has a strong effect on toxicity, so Master Poison Xi has studied dark potions very much, which has laid a solid foundation for him.

After determining the direction, Li Feng began to concentrate on the dark poison, and he took out the alchemy notes left for him by Master Poison Xi and looked through them carefully, hoping to find a powerful poison that suppressed the green poison madness elixir.

The poison has a great damaging effect on the human body, and if it is used, it will produce intense pain, which Li Feng is not very worried about, his tolerance ability is extremely amazing, and he can resist this pain.

Failed again and again, tried again and again, Li Feng did not give up, he was looking for a way to crack it, and no difficulty could stop him from moving forward.

Three days later, Li Feng finally succeeded in developing a brand-new poison [Anti-Demon Soul Punching Elixir], which he had tested on some magical beasts, and the effect of this poison was very terrifying, even if it was a level 75 top boss, he couldn't resist it.

The Anti-Demon Soul Elixir is a dark soul elixir that can turn a person's soul into a demon soul with normal intelligence, which is not the same as the Green Poison Mad Elixir forcibly polluting and destroying the soul.

In order to refine this potion, Li Feng consumed a lot of precious medicinal materials, and now is the time to test this potion, if he fails, his loss will be very large, and his soul may completely become a dark attribute.

The anti-demon soul elixir was purple and contained pure dark power, and as soon as Li Feng gritted his teeth, he used this elixir on himself.

Soon, his soul was enveloped in a purple light, and the Anti-Demon Soul Punching Elixir was changing his soul, resulting in a very intense pain that ordinary people could not bear.

At the moment when the Anti-Demon Soul Punching Elixir appeared, the power of the Green Poison Mad Demon Elixir hidden in his body began to riot, launching a fierce attack on the power of the Anti-Demon Soul Rushing Elixir, wanting to compete for the dominance of Li Feng's soul.

Both potions were extremely fierce, like fierce tigers, in the most tragic fight, producing terrifying power fluctuations, if it weren't for Li Feng's soul being extremely stable and his willpower was amazing, I am afraid that he would be shattered in this battle.

At this moment, Li Feng trembled, cold sweat broke out on his forehead, purple and green lights kept flashing on his body, and the dark aura filled the surroundings, looking extremely weird.

After about three hours, the two potions finally decided the victory and defeat, and the Anti-Demon Soul Punch Elixir was slightly superior, defeating the Green Poison Mad Demon Elixir, but in the process of fighting, it had been integrated into Li Feng's soul, causing some permanent effects.

System Prompt: You have obtained a new transformation ability [Soul Frenzy Transformation], this ability is very unstable, please use it with caution!

"Soul Rebellion Demon Transformation, it sounds very powerful!" Li Feng's eyes moved, now that he has finally lifted the crisis caused by the Green Poison Mad Elixir, he will not become a puppet-like mad demon, but the mysterious power in his body still exists, and he still can't use the power of the Holy Soul and other powers.

Li Feng carefully checked the transformation ability of the Reverse Soul Demon and found that the effect was much stronger than the level 5 Lightless Dream Bloodline, and after using it, it could reach the level of a low-level king, but it had a double nature, once it transformed, it would destroy all the life around it, and it was not controlled at all, and even companions could not avoid it.

What's more, this transformation will be triggered by some factor and will be carried out automatically, and Li Feng can't control it, that is to say, he has now completely turned into an unstable bomb, which may explode at any time and impact the people on his side.

"Forget it, this is already a good result, at least when I want to transform, I can still transform." Li Feng muttered, as long as he acted alone in the future, he could avoid hurting his companions, and he firmly believed that after his strength improved in the future, he would definitely be able to find a way to control this transformation.

At the moment when this new transformation ability was generated, Li Feng felt that there seemed to be a force pulling him in the dark, to go to a place, he didn't know what kind of power it was, but he decided to accept this guidance and go to see where that place was.

At this moment, Li Feng's whole body was shrouded in a layer of rich black light, and his whole body was full of demonic energy, no different from a demon clan, and he didn't even need to disguise.

Li Feng rode onto the dragon bird and flew towards the depths of the Demon Domain according to the strange feeling generated in his soul.

He informed Wang Meng and the others, briefly explained his current situation, and established the next battle plan.

When Li Feng is not transforming into a rebel soul madman, he can still maintain a normal state and fight with Wang Meng and the others.

Since this transformation state will be triggered by a certain factor, he deliberately refined some top-level potions for the team members, and once he transformed, immediately stay away from him, so that there will be no cannibalism.

Li Feng's soul is now full of dark power, and even his body is completely demonized, he can almost be said to be a real demon clan, I am afraid that even the low-level kings can't distinguish it, he can take advantage of this to go to the demon clan everywhere to collect information and create opportunities for the kings and them.

Along the way, Li Feng met a lot of demon soldiers, as well as some demon powerhouses, and when these demons saw him, they didn't come over to investigate, and there was even a little awe on their faces.

The demonic energy on his body is too strong, comparable to a low-level demon king, and he has a strong suppression ability for weak demons.

Li Feng recorded the distribution of some demons along the way, and sent them all to Wang Meng, even if he was not by his side, the five of them would still be able to exert strong combat effectiveness.

Three days later, Li Feng had already come to the depths of the Demon Domain, where there were powerful demon clans entrenched everywhere, and the space was full of demonic power, and other races would be greatly suppressed when they came to such an environment.

During this period, there was a low-level demon king to provoke Li Feng, and he used the anti-soul demon transformation on the spot, beating this low-level demon king to serious injury, and the terrifying murderous aura made the surrounding demon powerhouses frightened, and subconsciously stayed away from him.

After the transformation, Li Feng completely incarnated into a terrifying demon, with a body of three meters, two sharp horns on his head, wings on his back, and a black two-handed giant hammer with spikes on it, which would release a large amount of black light when swung up, and the power was extremely terrifying! (To be continued......)