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the Codex of Alchemical Engineering: Resina Draconis via Tinstone and Elemental mercury

In the Codex of Alchemical Engineering, there are a few substances that were developed without Carus Van Berlo's help. It seems that he was able to convert mercury and neutral salts to each other via the now-denied philosophical sulfur, and more than 70% of the mainstream substances in the smelting market at that time contained both mercury and neutral salts. This is the main cause of the difficulty in reproducing the materials of the time, but the dragon's blood introduced here is unique in that it can be easily synthesized from Tinstone and Elemental Quicksilver without byproducts.