The poem says:

Born with a broken blade without a blade,

Happiness and enmity have met several times.

What does it mean to be at a loss?

The remnant sun is like blood, and the sword is like a rainbow!

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The universe is desolate, chaos is beginning to open, the clear ones are soaring, and the turbid ones are sinking.

Clear turbidity separates and merges, and the cycle repeats, forming three thousand worlds.

Since the beginning of ancient times, the world has been divided into three worlds: "gods, people, and demons".

It is said that in this divine realm, with Kunlun Divine Mountain as the center, more than 8,000 miles eastward, over the Hatred Peak and Broken Mind Cliff, you will arrive at a country called the Heavenly Country.

This is a plain, deserted. According to legend, when Hou Yi shot the sun, he once left a divine arrow in the territory and turned into a divine tree of heavenly destiny.

But this sacred tree is also the creation of heaven and earth. The body of the arrow turned into a tree trunk, and the arrow feather turned into a crown, stretching for hundreds of feet, straight into the sky. The arrow was inserted into the ground, and then the roots of the tree were generated, and the treasure spring was dug up, and it gathered into a deep pool of red water, called the Heavenly Sword Pool. Because the pool water is rich in dark iron, it can sense the external force and generate mixed spirit swords of different forms.

I don't know how many years, the divine tree absorbed the essence of heaven and earth, was nurtured by psychics, and finally blossomed and bore fruit. In the fruit, people were born, mostly women, collectively known as Mu Yingzi. Occasionally, by coincidence, the fruit of the male body is born, which is called Mu Yuanying.

If Mu Yuanying comes out, he needs to be guided by the elders of the Heavenly Born National University, and on his tenth birthday, he dives into the Heavenly Sword Pool alone, finds his own mixed yuan spirit sword, and follows him for life, and the human sword is one.

I don't know how many years, the clan began to rise, and the obedience gradually became the four major clans and tribes, and the four major gods were in charge:

The topmost layer of the Shenmu is born in the east, and he is the Yang Celestial Clan, who is in charge of Guangyuan.

On the next floor, the south-facing lifer, the Zhu Clan, is in charge of the Fire Yuan.

On the lower second floor, the west-facing people, the Qiu clan, are in charge of the Jin Yuan.

The lower three floors, the north-facing people, the Li clan Kan clan, are in charge of the water element.

Below the fourth floor, both men and women, have no names and surnames, and by the age of eighteen they will become increasingly exhausted and die rapidly. In order to save their lives, they had to serve as soldiers, or slaves, and were paid for their labor every day in exchange for the four gods, so that they could survive.

And among the four major god clans, if they are men, from the day they find the mixed yuan spirit sword, they must participate in the skills of imperial sword, foundation building, and qimen, and complement each other with swordsmanship and sword wisdom, and compete and advance step by step, and evaluate many glorious realms such as sword spirit, sword immortal, sword honor, and sword emperor, and finally reach the seventh level - the top of the sword god.

However, it is said that this Yang Celestial Clan has given birth to a Mu Yuanying, with a single name "Proud", who has been talented since childhood, and has been among the four great sword emperors of the Natural Country before the age of eighteen.

Yang Ao should have been a young man with ambition and a promising future, but because of his youth and madness, he offended another member of the clan who was also the glory of the Sword Emperor.