- KEY STRUCTURE - This buildings houses all the research and also acts to connect all the different cells of the Fallen. - Operatives can sell items and secrets on the black market, earning power based on current requisition levels. - This is known as Power Through Knowledge and provides an alternative way to get technology. - You received a percentage of your current requisition level per minute up to a maximum income limit. - Maximum of 5 can be built. - Each one increases the maximum level of Power Through Knowledge by 10%.