System Bestows me with Immortality, Living on to Eventually Become Invincible

【Light-hearted and humorous + No female lead + No knives + Survivalist protagonist】Caution, this story is engaging.Chen Xun crossed into the vast world of cultivation, awakened the Immortal System, and even received an Immortal beast as a companion. Chen Xun walked out of the ordinary small mountain village, stepping into the world of cultivation.Experiencing the prosperous era of cultivation world, the golden age, the era of rule collapse, the dark great turmoil era, and the era when all spirits were silent... Chen Xun, have no interest in fighting or killing, nor do I want to provoke anyone. I just want to travel the world with Bull and see all the splendor of the world.