Please recommend some novels with powerful but not invincible protagonists.

On the Great Land of China, forces clashed for the sake of supremacy and Bloodline Warriors ran amok; the conflict of the strong threatened to shatter heaven and earth. A young man named Lu Li—nothing more than a humble Coffin Carrier from the Northern Desert—came along with Lu Ling, his sister. The two were regarded as puny insects and bullied, but little did people know that Lu Li had the strongest Bloodline in him of them all. He mounted the most handsome of horses and drank the strongest of wines; He bedded the most beautiful of ladies and murdered the most hated of people; He told a huge lie and carried with him an ill-reputation undeserved; He traveled all by his lonesome and danced with devils; He had given his word that he would come back, that he would be strong. And it was because of this that she was still waiting in the city—alone.

In his past lifetime, he was an exceptional prodigy who practiced both medicine and martial arts. In this lifetime, on earth, he used his superb medical expertise and extreme martial arts achievements from his past lifetime to excel in the medical field and the ancient martial arts world. He moved his way towards the pinnacle! A fine youngster, who had been frequently looked down upon due to his poverty, had gone through the cold and warmth of this world to lament laughingly that life was merely so. However, he accidentally awakened the memory of his past lifetime. Since then, for three incarnations, he enjoyed prosperity.

A man that doesn't know his past, except for specific memories, was suddenly throwed on a weird but familiar world, in a dangerous situation. And now he has to survive in this world without any guidance but a system that came out of nowhere. Read the Tags. I placed a lot of Tags that has mature content as this novel will be full of spicy lemons. But, of course, it will have plot as writing too much lemons is mind tiring. Have a good time reading it. Also, if you see mistakes at the beginning, don't worry, it becomes better as you read. If you understand me.( ͡° ͜ʖ ͡°) All the rights of the works I may use as reference are from the respective Authors, with the exception of my OCs. Also English is my third language, so forgive me if you see many mistakes or chronological errors.

Voted as the most funny and shameless fanfic on WebNovel.

At the corner of the Xuan village, there was once a humble abode housed by a family of two; Duan Li, our main protagonist, and his mother, Meng Yue. Duan Li was just your ordinary youngster, doing the typical routine of everyday life. Yet, by a sudden twist of fate, our main protagonist had found himself in an accidental encounter with a mysterious pearl of supreme origin, one that will permanently bring about some great changes to his life! Was this pre-ordained? Or a total coincidence? Slowly, Duan Li began to discover that he would gain numerous bizarre abilities over time, which will eventually turn him into the most overpowered character in the whole world! Join Duan Li in his adventure as he slowy rose to become the most powerful being, and be reminded that, you should not drink while reading this, as you might spurt!

Not every Uchiha can reach their full potential. Sasuke's twin brother, Shinnosuke, will show just how strong a competent Sharingan user can become.