After Thousands of Years of Sword Cleansing, from a Down-And-Out Servant to the Sword Ancestor of All Heavens

[No heroine + Emperor Gou + Invincible + Cool text + System flow + More exciting later] Once Su Nan traveled through time, he found that he had arrived in an era where the strong were respected and immortals and demons reigned supreme, and ordinary people's lives were like ants, which almost scared him to the point of peeing. In order to survive, he sold his ancestral home and all his family property on the spot, and under the puzzled eyes of countless people, he chose to become a little servant of a cultivating sect, just to be able to lean against a big tree to enjoy the shade and survive better. I thought I would be like this for the rest of my life, but unexpectedly I awakened the "Invincible Sword Master System". "Complete the first sword cleaning and will be rewarded with a Chaos Sword Body!" "Wash thousands of swords and reward the ancient sword pool!" "Those who detect golden luck, invest in [Emperor Grade Sword Art] and get the reward [Four Swords of Zhuxian]!" "..." … On this day, the sun and moon turned into blood, demonic energy filled the sky, and demons danced wildly. Just when the whole world fell into despair, a flash of sword light penetrated the sky and the earth, and monster corpses fell like rain. "Welcome the Sword Ancestor out of seclusion." [The introduction is too weak, please move to the text]