All alchemical ingredients contain one of six basic substances: aether, hydragenum, quebrith, rebis, vermilion, and vitriol. toinker (Topic Creator) 5 years ago #4 Albedo is an additional, or secondary substance which is present in some alchemical ingredients in addition to the primary substance. In the battlefield area where you do the quest where you help the guy and his dog find his missing brother, the diagram is in a chest next to some tents on the outskirts of the battlefield. However, they additionally require to be made up of various other materials, and also, you can only achieve the three formulas via a mission. Albedo, Rebis, and Nigredo are among the rarest in The Witcher 3: Wild Quest and some ingredients used in alchemy solutions, among the most effective in the video game. Where to Get Rebis, Nigredo, and Albedo in The Witcher 3. Discover where to get Nigredo, Rebis, and Albedo in Witcher 3: Wild Hunt below, using a couple of tips.