The Sword Will Kill You

I, Gu Xingchen, cut the sky with one sword and broke through the stars with one punch. I was originally a good young man from Blue Star in the 21st century, but I was hit by great luck and traveled to a world of immortal cultivation called Qingyun Continent. My family was originally famous but was brutally exterminated. My father only left a star sword. Ding, the host's time travel has been detected and the system is about to awaken...