Age of Calamity: Players All over the World Want to Kill Me First

An unexplainable world catastrophe tore the earth into twenty-four main world domains. Cities turn into mines, oceans lead to abyss, floating islands rise in the sky, and corruption, scarlet, starlight, brimstone, and plague begin to compete for reality. Billions of people have awakened their professions and compete with each other for a piece of ore, a synthesis blueprint, and a first boss kill. Only Zhou Yan did not become a player. What the system gave him was not an inventory, a resurrection point, and a novice weapon, but a scarlet blood bar. [Registration type: World Boss. [The only occupation: humanoid disaster. [First kill reward: Inherit the target's full growth potential. When his coordinates were made public to the world, players, guilds, national teams and even civilizations from other worlds came one after another. They want to capture him, kill him, and share his drops. What Zhou Yan has to do is to find his missing sister before the countdown to the first kill ends, kill the disaster boss that has descended on reality, and find out a truth hidden by the system—— Do players really represent humans?