Starting from the Post-Apocalypse, I Am Invincible

200 years later, in the post-apocalypse. Lin Xinghai obtains a system, dominating the post-apocalyptic era and crushing all enemies. He continues his journey with overwhelming victories. Ding! You’ve gained Blood Essence + 1. Ding! You’ve gained Genetic Enhancement +1%. Ding! You’ve gained mastery in the Firearm Skill. Genre: Over-powered genre (OP), System, Post-apocalypse PS: The plot emphasizes the protagonist being “Overpowered” throughout the story. It isn’t a dark or grim tale.