Cultivator of Taoism and Diabolism

In the misty sea of clouds and limitless firmament. Which living creature doesn’t have any yearning? The natural law is illusive, no one gets to peek. Who in this bottomless human society doesn’t long for longevity? Resentment from all three lives, grudges between the evil and the right way piled up for thousands of years. How will he face the whole world alone, with one ancient sword…?