The protagonist guarded the city for hundreds of millions of years and finally turned into a stone. In the novel, the protagonist couldn't become an immortal and finally became a city.

The following are some novels that recommend the female protagonist to become an immortal: 1. [Mortal Cultivation Legend: This is a completed novel that tells the story of the female protagonist who eventually becomes an immortal.] 2. [100 Ways to Become an Immortal]: This novel also met the requirements of the female protagonist to become an immortal in the end. Please note that the novels recommended above may only be part of the answer. There may be other novels that meet the requirements.

Slime and Dungeon. The main character, Lu Qi, became a dragon snack after participating in the dragon crusade. After being stirred by the dragon's stomach for a long time, he turned back into a slime. I hope you like this fairy's recommendation. Muah ~😗

" The Demon Lord Is Unhappy " was a novel about the main character of the Demon Lord who had been sealed for hundreds of millions of years. The main character, Yan Yuan, was a great demon who had been sealed by the entire self-cultivation world for hundreds of millions of years. Later, he finally broke free, but he still had the seal on him, so he could only be a pitiful warrior. He went around trying to get people to break the broken seal on her. This was a fantasy romance novel.

I recommend the following novels: "Heaven-Defying Seven World Travels": The protagonist went against the heavens from an ordinary young man on Earth. He slaughtered the seven worlds, the human world, the spirit world, the immortal world, the divine world, the sacred world, the Void Zone, and the supreme world. Finally, he became the master of all things and controlled all things. "Reborn Constable Cultivation": The protagonist went from a young man in the countryside to a constable in another world. He found that he had a deceptive orthodoxy and practiced a deceptive magical power. In the end, he became a strong man and ventured into Jianghu. "The Happy Life of the Second Generation of Immortals": The protagonist is an otaku who transmigrated to the cultivation world and inherited a huge fortune. In a funny two-dimensional story, he wandered the cultivation world and achieved something. I hope you like this fairy's recommendation. Muah ~😗

There were a few novels that he could recommend, including " The Empress's Engineering Army " and " The World Tree Game." The two novels both had the female protagonist transmigrating and building a city. The female lead of " The Empress's Engineering Army ", Su Lin, traveled to a chaotic world. Not only did she want to build a paradise, but she also wanted to build a land fortress. The plot of the novel revolved around her building houses, building cities, recruiting soldiers, and summoning generals, unfolding the story of the seven heroes of the Warring States Period. In addition," The Game of the World Tree " was also a novel in which the main character transmigrated to build a city. The exact plot was unknown.

" I don't think it'll satisfy your needs, but I'll try my best to recommend a novel that's the most relevant to your description."" The Daughter of Time Travel " is an ancient romance novel written by the author, Liu Shui Cheng Shang. The general plot of this novel is as follows: After transmigrating, she had a father, a mother, a brother, a sister, and a younger brother. She looked like a beautiful flower! It was just that her father did not love her mother, did not love her grandmother, and hated that her elder brother did not look at her, and her younger siblings did not pay attention to her. Let's watch her devote herself to planning, planning for a beautiful and beautiful year, and controlling her destiny! ---------------------------- " After I Transmigrated, I fell in love with the Emperor's Brother " was an ancient romance novel written by the author, Happy Yue. The general plot of this novel was: After transmigrating, she became the unfavored eldest daughter. Her sister and aunt plotted against her in many ways, but what did it matter? She decisively hugged the Emperor's brother's thigh! ---------------------------- " The Tyrannical Sisters of Powerful Time Travel " was an ancient romance novel written by Nian Simeng. The general plot of this novel was: The most indestructible pair of sisters in the 21st century was envied by others. They fell into danger and were about to be bullied, but they all transmigrated to a dynasty that was not recorded in history. The newly pacified Cang Lang Continent was still filled with smoke. The Emperor's tyranny had made the ministers unhappy, and even his own sister wanted to rebel against her. Where would this pair of sisters go? Since no one can tolerate me, I will become stronger myself. He watched as Yuwen Jin grew stronger and stronger step by step, building his own power step by step. She was already exhausted from the love and hate entanglements between the three men. Women of steel were also gentle. When the sisters fell in love with the same person, how should they choose? Was this pair of sisters going to be destroyed by the times? ---------------------------- " Tyrannical Beauty " was an ancient romance novel written by the author, whose puppet doll. The general plot of this novel was: They were twin sisters, one of them had transmigrated and was alert and cunning! An authentic daughter with outstanding talent! Her goal was simple. She wanted to die a natural death in this life for the sake of reincarnation. Her goal was simple, to have everything she wanted. He, he, and him. When they met the two of them who had the same face, who did they love? Life always forced them to make choices. She wanted to live an ordinary life! She wanted to have happiness! But could fate fulfill their wishes? It was said that there was no true love in a noble family. Could such twin sisters love each other? ---------------------------- " The Rebirth of the First Daughter: Please Marry the Evil King " was an ancient romance novel written by the author, I'm a Supervillain. The general plot of this novel was: When they first met, she was an unlucky girl with a broken leg, and he was a blind prince in a sorry state. When they met again, she was the famous noble daughter of the marquis's manor, and he was the glorious Imperial Prince. Chu Yunluo had transmigrated and became the unfavored Di daughter of the marquis. Was she being persecuted by a Shu sister? Then let her know what it meant to differentiate between superior and inferior! Since her aunt was disciplining her, she would let her see who needed to be taught a lesson more. As for that father who did not love her and was blind, she would let him scram to the side. She only had two wishes in her life. One was to make the wishes of the person she valued come true, and the other was to never be separated from Rong Qingxuan. The plot is fictional, please do not imitate it. ---------------------------- " The Ugly Concubine's Winter Blessing " was an ancient romance novel written by the author, Ice and Fire. The general plot of this novel was: Dong Shi transmigrated to Cheng Dong Shi and married Wang Ye Cheng Tian Tou. Sister is the Crown Princess, and I am the Qin Princess Consort. So what if I am the Qin Princess Consort? So what if she was the Crown Princess? Sisters fighting, she was no longer a weak little sister. She had transmigrated to become stronger! The plot is fictional, please do not imitate it. ---------------------------- " When I Transmigrate and Meet the Return of the Reborn Daughter " was an ancient romance novel written by the author, My Little Leather Ball. The general plot of this novel was: She was the daughter of the Prime Minister and had lost her father's heart because her mother was framed. She was tricked by her step-sister and step-mother into helping the scumbag to seize the throne, causing the death of her uncle's entire family, her father and sister, and causing her husband to lose all his relatives. Later, she was hung on the city wall and her husband saved her. In the end, she blocked the Wind Chasing Arrow for her husband and died. She would definitely avenge her deceased relatives and make the scumbag's step-sister pay with her blood. She would also help her husband seize the throne and protect her sisters. She was originally an explorer in the modern world. During an expedition to a snowy mountain, she was buried in the snowy mountain because she could not avoid an avalanche in time. Who knew that when she woke up, she would be in another time and space, and even transmigrated to an eight-year-old girl who was about to freeze to death. In order to make a living, she had to swindle people from all over the world. Later, by coincidence, she saved the kidnapped daughter of the Prime Minister's wife. The Prime Minister's wife thought that her adopted daughter had started a new life. The setting of this article is a double female protagonist, a reborn sister and a transmigrated sister. Watch how the female protagonists with the double buff of rebirth and transmigration fight against the mistress and abuse the scumbag. ---------------------------- " The Empress's Reigning Manual " was an ancient romance novel written by the author, Parrot Sunny Moon. The general plot of this novel was: Duanmu Deshu, a native daughter of the first wife, had recently discovered that there were always strange people around her. For example, those who wanted to be with the Emperor for the rest of their lives, those who were self-reliant, those who didn't care about their cousin, and those who called the Emperor a scumbag. [Dividing Line] Shun: In her previous life, she was cautious in her words and actions, and her status was comparable to that of an imperial concubine. In this life, she wanted to go further…Shun: She was born of a concubine after transmigrating. Fortunately, her family was harmonious and her sisters were respectful. She was also cautious in her words and actions. She only hoped that her mother would take pity on her in the future and find her a good man with a low status and good character. However, no matter how much she thought about it, she would never have thought that the soldier she thought was not of high status would actually be the husband of her biological sister, the future emperor of the city. Shun: One day in the future, her family was raided. In this life, in order to ensure the prosperity of the family, she met him in advance…Shun: In her previous life, her stepmother felt that her biological mother's fiancé was in an awkward situation and couldn't bring benefits to her stepmother's younger brother. She secretly broke off the marriage and made her a stepwife. Her dowry and children were plotted against. In this life, she had to protect the dowry well and be herself. She wouldn't let anyone bully her. ---------------------------- " The Grand Princess of Time Travel " was an ancient romance novel written by the author, Be Careful, Your Brother. The general plot of this novel was: Chuchu, the daughter of a concubine who was the least favored in the High Duke's Public House, was bullied by her father who did not dote on her. Her vicious eldest sister ruined her life and drowned in the water in the end. When he woke up, he found himself lying wet beside the lotus pond in the palace. He had actually transmigrated to the Eldest Princess, who should have died a long time ago. Although he was still not favored, a starving camel was still bigger than a horse. The whole Di sister abused Di mother busy palace fight, picked up the same unfavored emperor brother began to raise the emperor. ---------------------------- " The Concubine's Strategy " was an ancient romance novel written by the author, Yu Ruo Jin Qin. The general plot of this novel was: Only when she was about to die did she realize three things that were extremely tragic for her. One was that the man who had a crush on her was willing to give up his life and the supreme position to fulfill her wish. The second was that the man she loved was ruthless to her and used her to hurt her to destroy him. The most tragic thing was that she only remembered that she was a transmigrated woman at the moment of her death. After her rebirth, she swore that she would be the master of her own destiny and would no longer be a weakling who would be bullied by others. From then on, she used the wisdom of her two lives to plan carefully. The concubine's elder sister is violent and bullying, beat her; The eldest sister is hypocritical like a fox, expose her; The mother is cruel and vicious, and she is punished. The father is ruthless and selfish, and he is obedient to him. The grandmother is greedy for power and spoils him. The scumbag pretends to be affectionate and plays with him. Let's see how she plays with the other world again...

There were a few novels recommended by the billionaire material male protagonist. Among them were "Doomsday Evolution: The Beautiful and Miserable Male Lead Is Reborn","The 70s Big Boss Guards Huaxia with Billions of Resources for Free","Unlimited Storage: I'm Crazy with Billions of Resources (Elegy Facing the Sun)","Billions of Resources, I Made a Fortune in Chronicles", and "Doomsday Rebirth: I'm Just a Newbie with Billions of Resources". However, the specific plot and author of these novels were not provided in the search results.

😋I recommend a novel to you. The name is "Ancient Demon". It's a fantasy-Eastern fantasy novel. The male protagonist, a young mortal, accidentally obtained a strange pill that could absorb the cultivation of others. From then on, he walked the path of becoming a demon. A thousand years ago, he ascended the immortal mountain alone, and a thousand years later, he looked down at the world, worshiped by many immortals and demons. The person outside the city was the author of this novel! I hope you like this fairy's recommendation. Muah ~😗

The following are some recommendations for novels where the male lead eventually becomes a eunuch: 1. " Back to the Ming Dynasty as a Eunuch ": The story of the male protagonist who transmigrated to the Ming Dynasty to become a eunuch and participated in various conspiracies and power struggles. 2. [Fake Eunuch: From Salted Fish to Overlord of the World]: The story of the male protagonist becoming an overlord after his house was raided and he became a eunuch. 3. " Huan Chong ": The male protagonist prints the eunuch Pei Huaiguang's deep feelings for the female protagonist Shen Hui. The two of them face the palace's power scheme together. 4. " The Concubine's Daughter's Phoenix Plan ": It described the story of the male protagonist being turned into a eunuch after his house was raided, and he faced the power of the palace together with the female protagonist. 5. The story of the male protagonist pretending to be a eunuch shows the complicated feelings between the male protagonist and the female protagonist. Please note that the plots and story situations of these novels are fictional. Please do not imitate them.

I recommend the following novels: 1. " The Cultivation Expert Who Emerged in the City " 2. "Fairy Dream" 3. [Top-grade City Cultivation Expert] 4. "Top-grade pill king returns from the city." 5. "Leisurely Ascending to the Nine Heavens" 6. Asking the Heavenly Dao Again 7. Proud World Divine Cultivation Technique 8. " The Struggle History of the Special Forces in the Immortal World " The above novels all fit the characteristics you gave. They involve cities, the cultivation world, and the immortal world. I hope you like my recommendation.😗