Lin Mu was killed by a close relative and was reborn three days before the end of the world. He was bound to the "Sacrifice and Become Stronger" system.
System: "Want to be resurrected? Sacrifice everything you have."
Lin Mu: "I am willing to sacrifice..."
System: "Start with your xylophone."
So in the apocalypse, while others are seeking to survive, Lin Mu is busy hunting down and sacrificing them.
Own driftwood
Finally, when his enemies asked him tremblingly why he was so strong, Lin Mu looked at the driftwood lying down
"This time," he smiled, "it's all with interest."
