If You Are Asked to Be a Eunuch, You Will Directly Become the Emperor?

He was framed by the evil stepmother and his brother, and was ordered by the emperor to join the palace as a eunuch. He accidentally obtained the wordless heavenly book, and the most powerful skills, the peerless divine body, the secret method of dual cultivation, and the medical scriptures came one after another. From then on, a generation of legends came out of the harem. I am the king and I shall dominate all worlds.