I'm Just a Mortal, What's Wrong with Killing an Immortal with One Sword?

The Great Dao is fifty, Tianyan is forty-nine, and one of them is human escape. Chen Fan came through time travel, but he was a human being who was despised by the "one" who escaped! The spiritual roots are gone, the path to immortality is cut off, and the avenue is endless! The murderous enemy is imminent, powerful enemies are waiting around, and the weak wife at home is waiting for his protection. In a desperate situation, adventures come one after another... Out of the thousands of adventures, how many can he catch?