An expedition to the Misty Mountains discoverer two new types of metal while exploring an ancient ruin of Elder Dwarves. Adamantine was first thought to be an alloy of iron but soon was declared a new metal when further experimentation was conducted on the armor that was found. Mithril armor was thought to be enchanted at first but when veins of both Mithril and Adamantine were uncovered deeper into the Misty Mountains they were both declared as metals and mining expeditions from the Neolon Empire started.