Introduction to the work: The world is overturned in despair, zombies are rampant, alien beasts are raging, and human civilization has fallen into the abyss. Li Fan struggled for ten years in the apocalypse, and finally died tragically under a wave of mutant rats. However, fate gave him a chance to come back three days before the end of the world! This time, he was no longer the lamb to be slaughtered. Awakening the mysterious [Infinite Synthesis] talent, scrap iron can be synthesized into magical weapons, and broken genes can be synthesized into perfect bloodline! Stock up on supplies, build the strongest shelter, recruit survivors, and form an invincible team. While others are still fighting for a bite of food, Li Fan is already holding a sharp blade in his hand and stepping into the wasteland, vowing to trample this apocalypse under his feet and restore the glory of civilization!