After Forty Years of Hard Training, I Am Invincible in the World

The world is full of wonders. Li Yi traveled through time and became the prostitute of the Daxuan Dynasty for ten years. That day, he saw the immortals in the sky passing by with their swords. The world was so big that he was like a frog at the bottom of a well. Therefore, Li Yi resigned and hid in the mountains, practicing martial arts in seclusion, hoping to become invincible in the world. The girl who had been given guidance became the empress who ruled the world. The disciples who became his disciples became sword masters who traveled across the world. He enlightened a green bull and became the demon king who dominated the area. … After forty years of ups and downs, Li Yi came out of the mountain and became invincible in the world.