Eight billion people across the globe are thrown into a disaster survival world, where everyone is randomly assigned a region, must upgrade their base, and compete for resources. By sheer bad luck, Gu Chuan lands in the magma zone, the least suitable place for survival. However, he awakens the only profession in the world that seems incapable of fighting: the Myriad Realms Merchant. While others are desperately fighting for a single sip of water, he is already trading fire crystals for ice, creating land from seawater, and monopolizing scarce supplies through channels with other races. Step by step, he transforms a ten-square-meter black stone platform into a Myriad Realms Marketplace that brings together players from every region and goods from different races. He goes from being a merchant everyone mocks to a powerful ruler capable of confronting natural disasters with a single trade.