Great Xuanwu Sheng

A thousand-year-old dynasty will eventually decay, and a century-old family will eventually return to dust.
Just ask, why is immortality possible in this world?
Is it an immortal body that has been tempered for thousands of times, or is it a martial arts will that unites heaven and earth?
Chen Mu came to this world and walked forward with a sword. When he looked back at dusk, he saw that countless geniuses and thousand-year-old monsters had turned into dust, and only one person was left on the road paved with yellow sand.