Gu Fei and Heitian finally reached the bottom of the lake, and followed the Yin Veins of the Earth to search for the source of the Yin Veins. Just as they approached the source of the Yin Veins, they encountered an inexplicable attack.

"Whoosh!"

Gu Fei's thunderous attack struck down an unknown creature in the void, and a large amount of blood was sprinkled in the cold Yin Veins.

The blood was not frozen by the cold air condensed in the earth's Yin veins. It splashed everywhere, and every drop of blood exuded an even colder aura.

"Xuanyin creature, this is a very cold physique, I didn't expect to see it here."

When Heitian saw the creature that was chopped down by Gu Fei, he was extremely shocked. In the earth's Yin veins, the cold air from heaven and earth condensed, and even they felt the biting chill.

If the blood of ordinary creatures were to splash out, it would be frozen by the cold air here, and it would not be able to flow on the ground like it is now.

Gu Fei's figure emerged from the void. He had just used the Anti-Void Secret Technique, one of the Nine Secrets of Immortality, to instantly kill a creature hidden in the void.

This is a humanoid creature, but it is not human, because this creature has an extremely ferocious dragon head. Even though it was beheaded by Gu Fei, the corpse of this creature still exudes a sinister aura.

"Such a creature has cold blood and can hide in the void, making it extremely difficult to be discovered." Black Sky said these words. Such creatures with extremely cold physiques have become extinct in today's world, even in ancient times.

At that time, it was also a rare race, rarely seen.

However, if a creature with such a cold physique is successful in cultivation, a breath of cold air can freeze thousands of miles and freeze the void, which is extremely powerful.

A drop of blood from this creature can freeze immortal gods. Fortunately, Gu Fei and Heitian are not immortal gods, but existences that transcend immortal gods and can withstand the extremely cold Yin energy here.

"There are two more such creatures that escaped into the source of the earth's Yin veins."

Gu Fei sensed the existence of three such terrifying creatures, but with his cultivation and strength, he could only kill one of them, while the other two creatures escaped.

"What……"

Heitian was immediately surprised when he heard this. Are there two such creatures? This earth's yin veins are so incredible that three such creatures have emerged.

This is a creature born from the cold air of heaven and earth. It can be said to be an innate life form. It is favored by God and possesses extraordinary talents and physique.

However, in front of Gu Fei, this kind of innate life form was vulnerable to a blow. He killed one of them and scared away the other two such life forms.

The time it takes for heaven and earth to give birth to life is measured in hundreds of thousands of years. It does not give birth to life all at once. The formation of this earth's yin veins has definitely taken millions of years, or even millions of years. Such a long period of time

Time is older than the ancient times. According to legend, the recorded history of the human race is only a few hundred thousand years old, because the oldest ancient books of the human race only exist for a few hundred thousand years.

However, some people among the human race do not think so. Some people think that there is a gap period in the history of the human race, and the history of the human race should be more than hundreds of thousands of years.

The ancient years recorded in the ancient books of the human race were that period hundreds of thousands of years ago.

This earth's yin veins have been formed since ancient times. After a long period of evolution, this earth's yin veins have given birth to a kind of life form.

Both Gu Fei and Heitian were extremely shocked. The third level Buddha Palace of the Eternal Buddha Lord was definitely not simple. This wild world should not have been refined by the Eternal Buddha Lord.

You must know that the age of the earth's Yin veins is older than the age of the Eternal Buddha's enlightenment. Before the Eternal Buddha became enlightened, this wild world already existed.

Gu Fei could actually kill the life forms bred by heaven and earth. His combat power was so powerful that it really made Heitian's heart palpitate.

However, Krishna soon felt relieved, because although the life forms bred by heaven and earth were innate lives, they did not necessarily possess heaven-defying physiques and strength.

You must know that human beings are also creatures born from heaven and earth.

In order for an innate life form to have power, it must be like the human race and must practice to become strong. It is not a miracle that Gu Fei can kill an innate life form. "Go, fight in!"

Heitian knew that the source of the earth's yin veins might have given birth to other things. His eyes flashed with light, and he was extremely excited.

"Buzz!"

Heitian held the star weapon above his head, and thousands of stars fell from the starlight, protecting him in it. Then he strode forward, and the cold air surging around him was spread by the starlight.

The power of the stars blocked it.

The power of the stars illuminates the void of heaven and earth, reflecting the void like daylight.

This guy still holds the invisible sword in his hand, which is a holy weapon. He is very cautious. You must know that there are two terrifying creatures at the source of the earth's veins.

It is not without reason that Krishna was able to live to this day and experience all kinds of catastrophes without dying. People who are always cautious often live longer than ordinary people.

Gu Fei and the others continued to move forward for several miles, when the void in front of them suddenly opened up, and they entered a huge cave. The cold and cold air here was so dense that it almost liquefied.

Under the starlight, they could see that there were many dead bones scattered on the nearby ground. Among these dead bones, there were human bones and foreign bones.

Gu Fei and the others even saw a dark skull. "What's going on? Is this also a battlefield?"

Gu Fei and Heitian were both shocked and confused. This was a secret from ancient times. It was impossible for them to know it. I am afraid that even the eternal Buddha would have a hard time knowing it.

"Roar!"

A terrifying roar came from the darkness ahead. Ahead, cold air gathered, and even the starlight from the starlight suspended above Heitian's head was difficult to penetrate.

"That is……"

Gu Fei and Heitian were shocked when they saw the black mist in front of them, because it was a kind of lunar cold mist that had been condensed in the Yin veins of the earth for endless years.

The black cold mist did not float, but gave people a solemn and mountain-like feeling. Both Gu Fei and Heitian felt a great pressure.

"Roar!"

A dull roar came from the black mist, making people's scalp numb. This kind of energy that condenses endless years

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Chapter completed!