Hearthfire cover image. Hearthfire is the second major official add-on for Skyrim. The add-on allows the player to build (from scratch) up to three unique homes. The add-on also introduces adoption, allowing the player to adopt orphaned children. Hearthfire Items — New items added by the add-on, including apparel, books, building materials, weapons, and more. 2  Hearthfire Creatures — New creatures added by the add-on. 3  Hearthfire NPCs — New NPCs added by the add-on. 4  Construction — Details on building your home.