[b]Dark Engram (Black)[/b] [i]An Engram lost to the darkness. Only the Light can cleanse it of its corruption.[/i] [b]Decryption Device (Consumable)[/b] [i]A tool constructed from high-quality weapon/armor components[/i] Dismantling Exotics has a chance to drop a Decryption Device (consumable), which can then be used to "cleanse" the Dark Engram into a Legendary or Exotic Engram. The chance increases depending on the number of upgrades.