Plant more trees to gain prosperity, then upgrade the Food Soul statue. According to the query "food language" official website, the cave prosperity degree of the first to have a food soul residence, food soul is the labor force manpower, and then the use of the production of wood and clay planting willow / peach / orchid, planting a plant to increase one point of prosperity, you can give the statue of the gods upgraded, and after the upgrade can be unlocked after the Woyan.