All heavens, the destiny that begins with the path of martial arts

Introduction: Born in a post-apocalyptic world, I have seen the apocalypse, the dark environment, man-eating monsters, and people who have lost their humanity...how can we live in this world? What will happen in the new world? Is this a dark world? Or a beautiful world that I have never imagined? I think I am a cold-blooded monster, but they pulled me back from the abyss... Since I promised them to live well, then I will definitely live, no matter what means... ...(The author's writing style is not good, so readers, please read it as a story)