Which was the strongest civilization in Liu Cixin's novel?

" The Great Age of Voyage in the Starry Sea " is a sci-fi and interstellar civilization novel written by the author without any heart or effort. The general plot of this novel is: In the vast universe, countless civilizations were born. As a bronze civilization, Earth was only an inferior civilization. This was a new era of the universe where the strong preyed on the weak. Danger and war would arrive at any moment! Therefore, it was powerful! It would always be the goal that the humans on Earth would strive for and pursue! ---------------------------- " The Belt of Black Technology: Human Civilization Upgrade " was a sci-fi novel written by the author, Sui Meng2. The general plot of this novel was: " Next, let's welcome our important guests: the pioneer of interstellar technology, the father of mecha, the father of starships, the planet beautician, the chief scientist of the Milky Way civilization..." " Civilization determines the future of a race!" " What's a civilization level?" " The level of civilization determines the survival time of a race!" " What is a civilization level?" " The depth of technology and the inheritance of knowledge!" " Why is inheritance related to civilization level?" "The deeper the knowledge, the greater the corresponding breadth of knowledge! The higher the level of the civilization, the faster the inheritance of knowledge, and the shorter the time it takes to live. Only then can the civilization be upgraded! This was the story of a man who suddenly gained a lot of knowledge and led mankind to upgrade their technology and explore the universe! How many civilizations were there in the vast universe? How did the civilizations in the universe get along? Civilization protection? Dark Forest? ---------------------------- " The Fourth Wave " was a short story written by the author, Mandrill Yi. The general plot of this novel was: In the vast universe, where did life begin? Was it possible that the first intelligent life forms were quietly born in a corner of the universe billions of years ago? Today, after billions of years of development, their civilization is no longer something that new civilizations like us can compete with. They were a super civilization! ---------------------------- Who Can Become a God was an Oriental fantasy novel written by the author, Amitabha. The general plot of the novel was: In the Star Jadestar Continent, the strongest were Gods. This was a golden age rarely seen in ten thousand years. Geniuses from all walks of life rose up one after another, each leading their own lives. In this era of heroes and geniuses, would the transmigrators from Earth be able to step on the heroes, destroy the geniuses, step by step onto the throne of God, and write a miracle that had not been seen in ten thousand years... ---------------------------- The Universe's Strongest God Creation System was a sci-fi futuristic novel written by Rongrong's Er Mao. The general plot of this novel was: In the vast universe, thousands of races were fighting. The human youth rose from the bottom of the sky, dominated the galaxy, stepped on thousands of domains, and reached the peak! ---------------------------- The book," The Empire's Heavens ", was a novel written by the author, the Overlord. The general plot of the novel was: It was sci-fi, so there was no need to be reborn. Liu Yan's soul had transmigrated into his own body in the parallel world! In the vast universe, in the land of gods. Should he ascend to the peak of the empire or return to the ordinary world? Survival or destruction, this was a question worth considering. Infinite parallel. When Liu Yan had no choice but to embark on the path of self-exile, he had no idea what that meant. The situation was unpredictable and unpredictable, and rationality was the only choice! This book was also known as " My Days in the Empire "," Let the Empire cool down for a while "," No Thieves in the Empire "… ---------------------------- The book " Gods of the World: I Have the Heart of Time and Space " was a sci-fi time-travel novel written by the author, Red Dust Immortal. The general plot of this novel was: He Tian carried the Heart of Spacetime and transmigrated to a super era where everyone could become a god. Nurturing small worlds, strengthening various races and creatures, and becoming supreme gods. Planets, universes, planes, Emptiness Realm…Countless worlds converged to worship and become gods. Immortal cultivation, Dao techniques, technology, and alchemy…There were billions of cultivation paths. Humans, dragons, automatons, Emptiness Realm…After countless races fought for billions of years, an indescribable light illuminated all the dimensional universes. He Tian had already become the supreme god. ---------------------------- " The Strongest Cultural Relic Restorer " was an urban supernatural novel written by the author, Liu Wei. The general plot of this novel was: He had transmigrated to China, which had declined in history. All the history that had been buried would finally be reignited in Liu Wei's hands and shine on the world. ---------------------------- " The Invincible Fleet " was a sci-fi futuristic novel written by the author Wen Qi. The general plot of this novel was: Frozen for thirty years, I woke up and fell into the arms of a beauty. He shouldered the fate of saving the world and killed the people in troubled times with his sword. In troubled times, heroes rise together. How can kings and generals have descendants? Since he had received such a great responsibility, he should be the ruler of this world! Build an invincible fleet! The strongest warship! Wherever it passed, the stars would avoid it! ---------------------------- The book " Super Overlord of Civilization " was a sci-fi interstellar civilization novel written by the author Don't Call Me Old Wang. The general plot of this novel was: [Feudal Lord]+[Brain Hole]+[Civilization Contest] Powerful civilizations were born from the collision of countless worlds. [Frozen Earth Civilization: The laws of the stars have been reversed. Sunlight can no longer provide heat, only terrifying low-temperature tides are brought, causing countless stars to fall into a cold silence.] [Insect civilization: The endless insect horde covers countless star systems, devouring everything they encounter along the way. Even red giants that are ten thousand times larger than the sun cannot escape the insect's mouth.] The demon civilization, which bewitched the super civilizations into falling into the abyss and becoming the puppet civilizations of the demons. The Tranquilizer Civilization, the Elemental Civilization, the Shadow Civilization, the Creator Civilization, the Gods Civilization… The spaceships were burning at the edge of Orion, the broken planet fortress was falling into the star, and the shadow of reincarnation was spreading in the universe…