You Hand It Over to the Nation, I’ll Become Invincible

[Decisive and ruthless] [Lone hero] [Super invincible] [Has a heroine] [Has love interests] [No rating yet, and it’s unclear whether one will ever be given.] Some people hand over cultivation worlds, others hand over sci-fi worlds or martial arts worlds. Some even hand over portals that can take people directly to other realms... Wang Hao joins an expedition and steps into a wasteland world. A bottle of perfect-grade genetic enhancement serum sets him on the path to invincibility. From then on, he masters magic and battle aura, divine martial arts manuals, and the path to immortality... When powerful beings from another world arrive with their followers, they are greeted by a vast fleet of planet-destroying warships and a colossal figure stretching across the universe. He says, “Well, look who’s here, bro.”