From Diablo Wiki
Materials are required to make new items via the crafting system. They are obtained by salvaging magical, rare, set, and legendary items with the Blacksmith. Materials are required in all Blacksmith recipes.
There are four types of materials keyed to each difficulty level, and the Normal, Nightmare, Hell and Inferno.
During much of Diablo III's development, salvaging was handled in the Nephalem Cube and there were four types of materials per difficulty; the "white" qualitymaterials were removed, along with the ability to salvage normal or cracked item qualities, late in the Diablo III beta. The Nephalem Cube was also removed during the the beta and the task of salvaging items for materials was transferred to the Blacksmith.
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Pages in category "Materials"
The following 64 pages are in this category, out of 64 total.
Media in category "Materials"
The following 89 files are in this category, out of 89 total.