When the Apocalypse Comes, I Can Synthesize Zombies

The apocalypse is coming, and more than half of the human race has turned into zombies. The young Luo Li has a god-level system. Two first-level zombies can be combined into a second-level zombie, and two second-level zombies can be combined into a third-level zombie to improve... From then on, Luo Li goes further and further towards the top... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.