Scum Reincarnation The Strongest Avenger

Despite the presence of monsters that were destroying the world, there was a devil-like man called “Li Tian.” All people gathered against him and were unable to defeat him, even the rulers, until the day the world faced its end. “Li Tian” was fighting a ruler and defeated him until he discovered...
The ruler has a tool that takes him back in time
He kills him and takes the tool from him and says, “Hahahaha now about returning to the past, taking revenge on everyone who insulted and bullied me, and eliminating this accursed world.”