Arms Dealer - The Official Terraria Wiki
The Arms Dealer is an NPC that will spawn once the following criteria have been met: There is an empty house. The player has at least one bullet or bullet-firing gun in their inventory (guns stored in storage items like chests do not count). If the Arms Dealer is killed, he will only respawn if the above conditions are met again. On the Desktop version,Console version, andMobile version, when ...