The End of the World: I Can Clone Myself and Kill Hundreds of Millions of People by Myself

[The end of the world, supernatural powers, the protagonist has strong hands-on ability, no harem] white night Black meteor streaks across the sky Humanity is coming to the end of the world Materials are scarce, zombies, mutated ferocious beasts can be seen everywhere, Human beings gain the power of the 12-house horoscope, and each time a house is opened, their superpowers will be upgraded. However, each person only has one ability. My astrolabe ability is a clone, and each clone can obtain an astrolabe. So, Others recruit troops and find ways to win over people's hearts. I, alone, can make hundreds of millions of dead soldiers. Someone else carefully develops a superpower. I am worried about having too many superpowers. Others are short of supplies. I can feed one person without making the whole family hungry. When I met the leader of the organization in the last days: "He's the only one, let me kill him!" The next second, he was rolling and crawling and crying: "He is not fighting alone!"