For more advanced players, there is an automatic mining plant, called a [[Mining Quarry/en|mining quarry]]. Approximately 1,350 units of sulfur ore can be mined per hour, it will cost you 360 units of [[[Low Grade Fuel/en|low-grade fuel]]. Before using the open pit, you need to use a [[Survey Charge/en|survey charge]] to search for the ore deposit. In mountainous areas, you are likely to find rich deposits of sulfur ore.