The story is just following the same routine as many other manhwas-‘when the MC becomes OP or becomes too powerful for the current plot, they'll always find a dumb reason to withhold him, then after multiple catastrophic battles suddenly MC comes back stronger than ever but with many regrets '
“[[I AM THE VOID]_[THE VOID IS ME]_[I EXIST TO LIVE]_[I LIVE TO EXIST]]"