Invincible in the World: Starting from the Loss at the End of the World

After traveling to the world of immortal martial arts, I never expected that I could travel again and use materials from both worlds to quickly increase my strength. The first different world: "Doomsday Zombies" The world is mutating, global organisms have entered a state of rapid evolution, and those who lag behind will eventually perish. The second different world: "The Kingdom of Girls" Women are extremely noble. There is a magical Virgin River. If they want to get pregnant, they only need to take a sip and they can give birth to noble girls. The third different world... The fourth... The fifth... ---------- PS: Story flow! Mortal growth flow!