MTL - My Brother-in-law is the Prince - Chapter 400 Emperor's Heart

Fifty years ago, the oxygen in the atmosphere changed, giving rise to a new form of air known as Spiritual Qi. Humans, plants, and animals alike suddenly awakened latent mutant genes and began evolving, gaining Superpowered Talents and Classes. Life took a new turn, and humanity had to adapt.Everything seemed to be going well until, fifty years later, a 16-year-old boy named Klaus awakened a terrifying Talent and Class. His awakening marked the beginning of a new era in human evolution.Unbeknownst to everyone, Klaus, who was shunned by society and dropped out of school to work for a better life for himself and his mother, was actually the last of the Nine Paragons—a being so powerful that even the heavens feared him.Watch as Klaus climbs the ladder of strength, pursuing absolute power with a single purpose: to protect and make his mother happy.

To pass as an imperial concubine, one must be professional.

Actually, the profession of an imperial concubine is pretty good. The emperor will accompany you in eating and drinking, and even pay you for it. What’s not good about that?

- Description from Novelupdates

At level 2, most people unlocked their first talent; those who didn’t were considered fortunate, as they had the potential to unlock rarer talents requiring higher levels. The world’s most rare and powerful talents were revealed at level 5. But what if someone didn’t obtain a talent? Luck quickly turned to misfortune as they were labeled talentless, with no hope of gaining a talent. Sol was one such person who was unable to unlock his talent, but he refused to give up. He persistently fought and trained every day, slowly increasing his level despite the disadvantage in skills. He held onto the hope that, one day, he would be bestowed with a talent like everyone else. As years passed, his determination began to wane until one fateful day. You have leveled up! +5 Free stats. Talent Unlocked - [Siphoner]! This event marked the beginning of his story.

In order to avoid marrying an old man from the neighboring county, she must run away. The first time she escaped, the general entered the city, and she rolled and fell in front of him, no, she kneeled in front of him (really not on purpose). The second time she escaped, the general came to visit her house, and the general caught her (he must have done it on purpose). The third time, she was bruised and battered, almost desperate, and he came galloping and took her into his arms. (He was very well-intentioned.) The general said, ” Although I do not want to hold a favor to you, it is true that you owe me a favor.” So? 

 An Ruochen is unwilling to submit to fate and meets General Long three times when she runs away from home. She expects to get help from a powerful man, but she is involved in a secret conspiracy instead. Vicious family, a missing younger sister, a mysterious spy, and power struggles. An Ruochen becomes the key to solving the mysteries and becomes the core of General Long’s heart. 

One sentence synopsis: The right person at the right time changes everything.

- Description from Novelupdates