A killer of the 21st century, after a mission, was assassinated by his most trusted brother, and finally traveled to a world of cultivating immortals. His soul was attached to a young man who was dependent on his grandfather. Maybe it was a trick of fate. This young man But he doesn't have the spiritual roots to cultivate immortals, so he can't cultivate immortals, but he is unyielding and unrelenting. With his own efforts and continuous opportunities, he gradually becomes stronger, and finally achieves supreme hegemony.