The Arcane Armor Fabricator is a specialized crafting station which enables the crafting of higher tier Pre-Hardmode items using materials found in more dangerous areas of the world, the Underground Layer, Underground Jungle and Floating Islands; and from Goblin Invasions. It is only available to the player after the Eye of Cthulhu has been defeated and the Blacksmith NPC has moved in.
It is bought from the Blacksmith for 3 .