The End of the World: My Cancer Cells Have Become a God-Level Civilization

Main plot: The main character's killing spree is interspersed with the development of cellular civilization. Don't be afraid when something happens, just do it and it's over. Su Wen, who has terminal brain cancer, accidentally discovered in a life-and-death competition that he could talk to the cancer cells in his brain. From then on, with the help of cellular civilization, he gratified his grudges in the ice apocalypse and grew together with the cellular civilization in his body...