Under the bright starry sky, a mass of blue alveoli is shrinking rapidly.

The star beast sinks up and down, its body clanging. Crushed by the huge power of time and space, the star power in his body turned out to be a little more refined. Suddenly, the surrounding space rippled with fine ripples, and the secret realm disappeared, and the blue alveoli no longer existed.

With the sound of "pop", there seemed to be no soft sound, except for the ten-kilometer-long star beast, there was nothing else in the entire starry sky, and even the huge body that resembled a polar bear disappeared, as if it had never appeared.

At the same time, Li Yuan opened his eyes, his gaze flickered a few times, and he instantly calmed down.

"Master, there is another Longyuan Great Sword in the Black Cube, which is stronger or weaker than the Night Killing Sword?" Elizabeth was very curious, knowing that the Night Killing Sword was made of dark energy condensation, which was nothing in Xiao Hongtian's environment, and it would definitely be great when she returned to the Stygian Cloud Universe and the Human Universe.

How vast is the human universe? A lot of dark matter is formed. The Night Killing Sword absorbs dark energy to continuously enhance its strength and improve its quality. Now the Black Cube absorbs the blue alveoli and condenses the time element into a strange sword, whose breath is strong and weak, super terrifying when it is strong, and almost no sense of zài when it is weak, so Elizabeth compares these two swords, the name of the Cause and Effect Extinction Sword.

"The Sword of Cause and Effect Annihilation involves the supreme law of the universe, and the world pursues eternity, but if you want to achieve eternity, you must first be immortal. This sword can cut off traces of existence at the root, reverse cause and effect, cut off the source, and be unmeasurable. If the Night Killing Sword wants to be comparable to it, it must cause qualitative change from quantitative change, and now it is obviously not comparable. Li Yuan's heart was relaxed, although he saw the tragic situation in the future, but things had not happened yet, and he vowed in his heart to become stronger with a more positive attitude, so as to change the fate of himself and the people around him.

Elizabeth nodded, feeling that her master had a point. However, what happened next gave him no time to react.

With a trembling sound of "hum", the cyan dragon yuan sword appeared and slashed down.

"Ah, master, what do you want?" Elizabeth was so frightened that her soul was not possessed, Li Yuan was controlling the Cause and Effect Annihilation Sword to kill herself, and just now she said that this sword is extraordinary, and the Night Killing Sword cannot be compared to it, so now use this sword to kill yourself.

The pale cyan sword light swept by.

"Boom, boom......"

The body shook wildly, and the Space-Time Dragon King did not disintegrate, nor did he appear scarred, but his breath changed, giving people a more erratic feeling, as if he would pass away with the starlight at any time.

Li Yuan's face was dignified, and the causal extinction sword rose again, and with a "swish", he slashed down the pale cyan sword light.

"Boss, will you let me know before you kill yourself?" Elizabeth didn't have time to complain, and hurriedly cooperated with Li Yuanshiwei, and a large number of light patterns appeared on the ground of the core cabin, like a lively dragon swaying and shining, blooming with dazzling brilliance, turning into a waterfall of light.

"Hehe, what you want is a surprise attack, if the mecha puts itself in a good position, the self-slashing effect will be greatly reduced.

After holding the Causal Annihilation Sword and slashing out the second sword, Li Yuan's expression relaxed, and said: "Before slashing people, we must first erase the traces of our own time and space, fortunately, we are slashing ourselves in Xiao Hongtian, the two swords are enough If we kill ourselves in the human universe, the five swords may not be effective." ”

"Well, I'm scared today, anyway."

Elizabeth suddenly remembered something and hurriedly asked, "By the way, where did the big white bear with the stone crown run away?" If the Black Cube can imprison the corpse and pull it into the belly space of the iceberg mountain, it will definitely be able to collect this star beast into it. ”

"Don't think about good things, in addition to imprisoning the true body of the Illin people, the Black Cube only ingests energy and high-quality energy ores. Whether it is an iceberg or a great sword such as the Sword of Cause and Effect Annihilation, it is all energy, and at most the energy is extremely condensed, forming crystals or materialization, but it is completely different from the real matter. As for this big white bear, it is an energy-powered creature and it is very bizarre. The skin, bones, flesh and blood, as well as the stone crown on its head, all contain a huge amount of cold energy, which has been purified by the Black Cube to remove impurities, and has become a part of the iceberg. ”

"Huh? This big white bear is a precious piece of ice, and it was used by the Black Cube to strengthen the internal defense of the prison, and we don't get any benefit. Elizabeth grinned, he thought a little greedily: "Hmph, the benefits of the secret realm are nothing more than this, picking up a star beast, absorbing the time element to condense a causal extinction sword has been capped, and there is no other gain." When will Lao Tzu be lucky and dig up a peerless treasure that flashes blind people's eyes? ”

"Collect your heart, this is the second secret realm. In addition, don't underestimate this star beast, the next secret realm is full of star power, and it is the focus of Xiao Hongtian's starry sky, and it will be a lot of gains. Li Yuan touched his smooth chin, he decided to speed up his exploration, whether it was a star beast or a causal extinction sword, it was a good thing, and his own strength was increasing little by little, this feeling was very good.

There are a total of twenty-five secret realms, which is not much, but it is not a lot.

In the next two months, the Celestial Dragon King used the star beast as a raft to shuttle through the starry sky, gradually discovering the secret realm and obtaining rich rewards. During this period, there were five major crises, and if it weren't for the star beasts fighting hard to meet them, and the place with starlight could recover, I am afraid that the gains would outweigh the losses.

Among the many harvests, there are as many as nineteen kinds of resources of the same level as the three rare treasures in the world, such as the Tiger Back Crystal, the Chaos Air Mass, and the Blue Scale Dragon Tooth Stone, and thirty-five divine treasures have been found, which are combined with the previous thirteen divine treasures, and they are almost half a hundred.

Who can have too many good things? After completing the secret realm, Li Yuan rushed non-stop to the sixteen star boundaries marked on the star map very early.

Each astral boundary has one or more energy boundaries, and when encountering frozen energy, the Black Cube is always feasting, and when encountering a dense area of star power, the star beast will definitely benefit a lot. Although most of the time exploration is boring, when you go through a lot of hardships and achieve a reward, the joy is by no means something that outsiders can experience.

Unconsciously, Li Yuan's fit with the mecha increased to 95.9 percent, and Elizabeth was ecstatic, as if she was only a thin line away from being promoted to the Great Sage Heavenly Dragon.

However, the last 0.1 percent is the key, and most people are unable to cross this "extremely close" distance with all their life's effort.

After exploring sixteen astral realms, the rough statistics showed that the harvest was greater than that of twenty-five secret realms. And Li Yuan's star map is also marked with nine strange stars, which may be hidden in the void, and have never been revealed, famous movie stars. Or it is covered with sharp crystals that can be used as mecha swords, called sword stars. There are also silicon-based life forms similar to polyps, which sit in the lava star rift after death and can be made into particle torrent arrows.

Li Yuan worked tirelessly, walked all over the secret places, and saw the mystery and profundity of the eight strange stars, and finally he came to a big star.

Bogula Dozhir was waiting here for a long time, shouting loudly: "Iron Skin, don't think that I don't know you after changing the vest, your vision is good, you actually found an ancient star beast as a servant, but how strange is it to give me?" ”

"Hahaha, Bogula Dozhir, who respects his promise, thank you for coming in time." Li Yuan communicated from afar: "Speaking of this star beast, it was dead when I found it, and it was a unique method to restore it to some of its vitality, which helped me a lot. ”

"Hmph, you will only be tricky, we ancient Tyran sages once said that servants make you lazy, and only through your own efforts can you continue to improve and climb to the top." Rir pounded his chest and shouted.

"In the past few years, even the cosmic wild beasts have played with philosophy, and they have been talking about the wise man all day long." Elizabeth rolled her eyes, he had already worked hard, but he still had to be ravaged by the roar, it was strange

"Rier, you are the most intelligent cosmic beast I have ever seen, can you tell me why you want to explore this big star in front of you with me before leaving?" Li Yuan originally found eight strange stars, but Rier provided the coordinates of one strange star, on the surface, there is nothing special about this place, but the lock of the Pluto Eye on this big star is constantly deflected, which must be paid attention to.

"A long time ago, this great star was the settlement of our ancient Tyrannic people, and suddenly one day something earth-shattering changed. The ancient murals are not well documented, and later generations only know that there were countless deaths and injuries at that time, and our family had to move out of this place. I don't know when it began, our warriors set off to return to the ancestral land in the twilight of life, trying to figure out the reason for the change in the ancestral land before the end of their lives. It's just that none of the warriors in the twilight years succeeded in sending the message, and over time this place became the burial place of our people. Rir succinctly explained the story of the past and the future.

"Ancient Tyrannic burial ground?" Li Yuan's eyes must have become serious, he wanted to go through the layers of illusion and see the real scene on the big star, but his mind became blank in a trance, as if he saw the shadow and shadow, but it was swept away, leaving no trace.

"Well, this is the greatest mystery of our ancient Tyrannic, and our wise man once said that curiosity is the driving force of progress." Rier pounded his wide chest and sold cuteness there.

"Nima, it's the wise man again, you said that you are a wild beast that drinks blood and gnaws ore everywhere, why are there so many wise people in your head?" Elizabeth muttered her head against the wall.

"Listen to me, this big star is not simple, if you want to solve the mystery along the way, you need to enter the belly of the star beast and act at the opportunity." Li Yuan showed a wicked smile and persuaded loudly: "We human sages once said that knowing oneself and knowing that the other side will win all battles, and risking danger before knowing the specific situation is not called bravery, but stupid behavior. ”

"Ah, you humans also have wise men, and what you say seems to make sense." Riel's eyes bulged out and he scratched his head vigorously, and his innocent mind couldn't react. Every time he quoted the words of the wise man to direct his fellow people to do things, today is the first time that someone has used the words of the wise man against him, and at the same time he feels novel, he always feels wrong.

Li Yuan was very interested in this ancient Tailun burial place, and the Celestial Dragon King of Time and Space slashed out a spatial gap, and found a place for Rier in the body of the star beast, and then the star beast plunged into the thin atmosphere, and its huge body flickered slightly, hiding its shape.

According to the exploration in recent months, it has been discovered that the Star Beast is very fragile at birth, so it needs to hide its ability to protect itself. In the star beast population, the older it gets, the larger it becomes, and there are many predators when they are young. Even if they grow up, they still have more powerful natural enemies.

At this moment, in the belly of the iceberg of the Black Cube, there is an incredibly large star power. Li Yuan hadn't yet considered whether to throw these star powers into the star beasts or condense them into the Supreme Golden Seal.

Just when Li Yuan was exploring the burial place of Gu Tailun, Xu Yebai received a long-distance cross-air summons, and after he saw it, he couldn't help but shoot the case, and his eyes became cold.

"Hurry up and make arrangements, we have to go back as much as possible, the Great Elder of the Dark Cloud Secret Realm personally entered Xiao Hongtian, and there were hundreds of Heavenly Kings following him. It's not the people we brought in, it seems that there are human forces that have joined forces with this Great Elder. ”