Blacksmiths are NPCs in Dark Souls 2. Blacksmiths in Dark Souls 2 are usually also categorized as merchants with a set of wares that focus on Weapons, Armor and equipment. Their equipment can either be for purchase or trade, or they instead may offer other features or skills that will and you and potentially improve your current equipment. Some of these specialty skills include infusing equipment. Some of these Blacksmiths will have requirements before their services or wares are unlocked, this could involve acquiring an item for them or reaching a minimum level requirement in certain skills or Attributes.