The armory is the place where the player can buy non-Magic weapons. They appear in all games except for Fire Emblem Gaiden. The weapons the player can buy depends where in the game the armory is. The player can also sell his or her items for 1/2 their current value. Most on-map armories offer +5 to 10 avoid on their territory when a unit is on that space.
Generally, armories found early in a game will carry Iron and sometimes Slim weapons, along with basic throwing weapons, such as Javelins and Hand Axes. As the player progresses through the game, armories begin to carry more powerful weapons, such as Steel, Killer, and Silver weapons.
In several games, the player can forge his or her own weapons, changing their might, hit percentage, critical hit rate, and weight. The player may raise/lower these statistics depending on what their original values, but each time the player adds/subtracts points from these statistics, the price is raised exponentially.
If the player selects View Map on the Preparations Screen, the player can see what weapons are sold in an armory by placing the cursor over it and pressing A. However, no weapons can be bought; a unit must be sent to the armory during the chapter in order to purchase anything.
In Fire Emblem: The Sacred Stones, armories could be accessed from the world map between chapters. This allowed the player to buy anything he or she might have forgotten to buy during the chapter. Shops and Secret Shops could also be accessed from the world map, although the latter required a Member Card and could only be accessed during Creature Campaign. An armory was also available from the Items menu in the Preparations Screen, but only sold basic weapons, and those at double the normal price.
In Fire Emblem: Path of Radiance and Fire Emblem: Radiant Dawn, there were no armories on the map. Instead, the armory could only be accessed from the Base, and the weapons sold varied depending on the chapter. Magic was also sold at the armory, instead of from the Shop.
In Fire Emblem Fates, the armory, along with the shop, is accessible only in My Castle after being built there. Stocked items and stocked amounts are determined by the shop's rank. There are two versions of the armory, one for Hoshido and one for Nohr. Shop discounts may occur from time to time and are determined by who is running the shop out of the allied army units.