In ancient times, gods and demons and the Netherworld coexisted, the gods and demons had wars all year round, and the Netherworld occasionally participated, but every time the Netherworld participated, the war was a war that was almost exterminated, in a big war, the gods suddenly appeared a cultivator with extremely strong cultivation, he rushed into the other three clans, killed several high-level monks, and at the same time plundered the princess of the demon clan, and disappeared from then on, the young master of the demon clan, the young master of the Netherworld, the ghost king and a demon emperor of the demon clan reverently led many masters in the clan to hunt down and kill the person of the god clan, but soon after it also disappeared, and all the clansmen thought that they had also suffered misfortunes, and all this is a conspiracy of the Protoss.

And the appearance of the person of the Protoss did not know about the appearance of the Protoss, so without any surprise, the Demon Clan, the Demon Clan and the Netherworld Clan joined forces to attack the Protoss, and the Protoss had no choice but to expose their preparations for many years, and they actually used the power of one clan to fight against the three clans, but this was only barely undefeated, but this also made it more convinced of the premeditated plan of the Protoss.

After years of fighting, all the tribes suffered heavy losses, and at this time, two uninvited guests suddenly came, and they wanted to stop the war with the strength of the two of them, and the high-level of all the tribes refused to stop, but the two male cultivators just slapped down, and the people of the various tribes at that time, no matter what their strength, were all wiped out, and only the people left behind by the tribes were still alive.

After that, the two of them joined forces to cast spells, and then arranged an enchantment to separate the four clans, the enchantment is so powerful that even the power of the four clans cannot break the enchantment between them, from then on, the space where the protoss is located is called the divine realm, the space where the demon clan is located is called the demon realm, the space where the demon clan is located is called the demon realm, and the space where the netherworld is located is also called the underworld.

At that time, although there were not many people left behind by the gods and demons, there were thousands of people, and although the demon clan left behind many demon cultivators, almost all of them were beasts without much spiritual intelligence, so relatively speaking, the three clans of gods and demons, the strength of the demon clan was the weakest, so the two actually collected those who were destroyed and preserved souls, forcibly erased the sanity and cultivation, and then through the fusion of special techniques, they actually created a new race, they were named the human race, and the most powerful person in the first batch of human races inadvertently got a powerful sword, the sword was engraved with the word Xuanyuan, so he called himself the human king Xuanyuan, and the human race that followed him was called the Xuanyuan clan, and from then on, The human race and the demon race live together in the demon world, and the netherworld clan is already scarce, after the big war and the extermination of the two, there are only dozens left, but the netherworld has a special physique, it is a spirit body, there is no way to reproduce, and the two can't bear the netherworld to be wiped out, so they will transfer the soul of the human race created by the demon world without any cultivation to the underworld with a special method, so as to increase the strength of the underworld, this special technique is called reincarnation, but this also caused a trace of connection between the underworld and the demon world, fortunately, the underworld and the demon world do not conflict, and the underworld rarely provokes wars, and the demon clan in the demon world has low intelligence, so there will be no disputes.

The demon clan has slowly recovered some of its strength after cultivation, and the demon clan is not intelligent enough, there is a primitive beast nature, and the human race is born from the soul of the four clans, although it has been erased from the wisdom and cultivation, but it has also inherited some of the advantages and disadvantages of each race, some are extremely high in spiritual intelligence, extremely high in qualifications, and even can create their own cultivation methods, and practice for thousands of miles, they call themselves cultivators, and some are generally spiritual, without the slightest cultivation, they call themselves mortals.

The human race and the demon race coexist and share the cultivation resources of the demon world, so naturally there will be some scramble and plunder, so there will often be battles between the two races, but after all, the human race is a newly rising race, and the demon race has not fully recovered its strength, so it has always been a small-scale battle.

But after all, the human race inherited the advantages and disadvantages of each race, so human nature has divinity, demonic nature, demon nature and spirituality, and the battle between the human race and the demon race slowly gained the upper hand, but the human race was not satisfied, but increased the invasion of the demon race, and finally caused the only few powerful existences of the demon race, and finally launched the largest war in history between the human race and the demon race.

But at the beginning of the war, there was a cold snort from the heavens and the earth, and suddenly the most powerful people of the demon clan and the human race were shocked at the same time, and then retreated one after another, and from then on to obtain a short period of peace, but the greed of the human race together, there will be no end to the day, it seems that the peace has been too long, they have attracted the attention of the demon clan again, they hunt demon beasts, collect demon pills, so as to improve their cultivation, and even hunt demon beasts as food.

But despite this, the most powerful ones in the demon clan did dare not speak out, just because of that cold snort, but this made the human race even more bold, and in the end, the demon clan was forced to have no choice but to make an appointment with the most powerful existence in the human race, which is the pinnacle battle between the strongest of the two races, the winner becomes the realm master of the demon world, and the losing party must surrender unconditionally.

And Wang Xuanyuan, the most powerful person of the human race, is actually dissatisfied with the status quo of the human race, but after all, it is his own race, and the demon race is also a native race, he is also a human race, and naturally understands human nature, although his strength is the strongest, but it does not mean that all people listen to him, because at this time the human race has been divided into many races, and there are many races The strongest person is also extremely strong in cultivation, if they unite, I am afraid that he will also have a lot of trouble, so he has to turn a blind eye.

Xuanyuan saw the decision made by the demon clan, he thought about it for a long time, and then forcibly suppressed everyone's dissatisfaction, and decided to agree, but he was not for the realm lord, but had other plans, the demon beast selected by the demon clan was also the strongest Chiyou, Xuanyuan and Chiyou fought for ten years, and finally ended the battle with a loud bang that resounded for nine days.

Then Xuanyuan returned, he never mentioned the result of the battle, and went directly back to the cultivation place to start retreat, but only Xuanyuan himself came back, then the result was already obvious, just when the human race was ready to accept the surrender of the demon race, Xuanyuan suddenly appeared, and then actually used a method similar to the two uninvited guests who created the human race, and then reopened a realm from the demon world, Xuanyuan called himself the fairy world, and the original demon world was called the mortal world, and finally drove those powerful demon and human races to the newly opened up world, and at the same time formulated the rules, if the strength of the demon beasts or human races in the mortal world is strong enough, then the fairy world will lower the rules, to wash their bad roots, if they pass the washing of the rules, then they will get the gift of the fairy world, and the light of the connection will fly to the fairy world, if they can't pass, then they will be scattered.

And Xuanyuan also left some inheritance to the demon clan, which was the inheritance of those powerful demon beasts in the heyday of the demon clan, somehow it was obtained by Xuanyuan, and the demon clan through those inheritances, barely competed with the human race, and since then it has also reduced the war, but there are still a lot of small-level battles, but it doesn't matter, after all, the human race and the demon race are both very reproductive races, and it doesn't matter if there are some dead or injured, and there are many demon beasts or mortals among them who can't cultivate.

But Xuanyuan also because of the opening up of the fairy world, the formulation of rules, the vitality of the great injury, after all, his strength can not be compared with those two, so, since then, Xuanyuan disappeared, some people say that Xuanyuan exhausted his cultivation and fell, some people say that Xuanyuan retreats in a secret place, and some say that Xuanyuan is integrated into the fairy world, what is the specific, but no one knows.

And Xuanyuan's sword, Xuanyuan Sword also disappeared, and many of them had strong cultivators to look for it, but they didn't find it, and in the end, it was forgotten by all the cultivators for too long.