The Giant Foundry is one of the best mini-games in Old School RuneScape for training the Smithing skill efficiently. It offers a unique gameplay loop where you forge custom blades, earn competitive XP rates, and unlock exclusive rewards-making it an essential stop for any player aiming to become a master smith. This guide covers all the fastest travel options so you can get there quickly and start hammering out your profits. What the Giant Foundry Offers Located in the center of Gielinor, the Giant Foundry revolves around using a special furnace and moulds to create weapons from metal bars. The XP per hour can rival some of the best Smithing…