Resurrection of the Catastrophic Hero

Read Manhwa Resurrection of the Catastrophic Hero:

The strongest Hero on Earth once existed.
But he passed away. How is a man we killed going to return? “You’re right, I understand. But he would return if there was a means to do so.
However, did he truly return after twenty years?
“What has astonished you so much? Why not. Did you do anything that warrants remorse?
You idiots. You won’t get away with it from me.