Doomsday Lone Wolf: I Will Make the Betrayer Pay with Blood

[The end of the world + super powers + decisive killing + lone wolf] When the former betrayer has reached the pinnacle of power, When the beauty around you may be a poison-quenching knife, When the icy blue curse in his body burned him repeatedly, Fang Han's choice is to destroy everything. There is no savior in the last days, only hunters who survive. And his hunting has just begun...