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Dubious Platings are crafting materials found in guarded structures in the Cavern layer. They can also be obtained by using a Draedon Power Cell on a Extractinator with a 2.5% chance. They are used to craft various weapons and furniture alongside Mysterious Circuitry.
Crafting all of the weapons that require Dubious Plating (in other words, Draedon's Arsenal weapons) costs 296 Platings; additionally, crafting every decoration that requires Dubious Plating requires an additional 31 Platings for a total of 327 Platings.