[Simulation, rebirth, boss, invincible, group portrait.
Chapters 1 to 13 of this book tell the plot of the train. After chapter 13, the branch line simulation begins, and after chapter 50, the main line of the era begins.
That day Tianzun traveled across the world, and he saw the losers of the past, and the losers chose to go with Tianzun for the slim chance of victory that Tianzun said.