Church of Tempus
Faerûn was a violent land, and thus from sheer number of worshipers Tempus was one of the mightiest deities in the Realms. Nearly everyone who drew a sword or nocked an arrow had fought alongside a cleric of the Foehammer, and just as many had fought against one.
Temples to the Lord of Battle looked more like military fortresses than the archetypal temple. They featured barracks, mess halls, armories, and training grounds.
Due to its tendency to have followers and priests on both sides of any engagement, the church of Tempus had no central authority that might support one side or the other exclusively. Within a given temple or order, however, there was a strict hierarchy and chain of command.