Working as a Eunuch in the Palace: I Have Been Invincible for a Thousand Years

He accidentally traveled through an ancient dynasty and became a young eunuch. He obtained the skills to cultivate himself and began to reach the peak of his life. The exercises are practiced year after year, one level reaches ninety-nine, and the world is reversed. What do I care about the external scenery? I have been invincible in the world for thousands of years, I am anonymous and secretly humble, I live in fantasy and dreams, my heart is vague, how many people know that I am sad? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.