The protagonist Chu Xiu, a fake "master of metaphysics" who wanders on the edge of the city, accidentally gets involved in the hidden disputes between "jianghu" and "demon world" in modern society, and awakens to the "melting pot of all things" system that can decompose and synthesize all things. Starting from synthesizing his first pet, he used his ingenuity far beyond that of ordinary people and his ability to balance good and evil to conquer monsters in the city, establish power in the world, and seize opportunities in secret realms. In the acquaintance, love and help of the enchanting fox demon king Su Liyan, Chu Xiu gradually uncovered the truth of the world - the barrier between the human world and the demon world is getting weaker and weaker, and a catastrophe is about to come. In the end, Chu Xiu used countless incredible armies of synthetic beasts as chess pieces to lay out a chess game to fight against the final boss and become the guardian of the new order of the two worlds.
