Exiled in the Cold Winter, I Survive by Relying on Human Calculations

At the beginning, he was demoted to the Winter Ice Prison, the natural disaster "Nirvana" came, and the world became a hell on earth. They all thought that I was just a powerless censor from the former dynasty, the first weakling to fall in this apocalypse. But they don't know that I don't have a golden finger, but I have the secret files of the entire dynasty in my head. The greed of the jailer, the cruelty of the prisoners, the hypocrisy of the nobles, the secrets of the Valkyries... Everyone's desires and weaknesses are the ladder for me to survive. Others rely on swords to survive, but I rely on calculation and planning. When everyone is reduced to an "empty shell" who only knows how to kill or a trapped beast struggling to survive, I, Gu Shen, will turn this apocalypse into my chessboard! …