The Alchemist Lab in Heroes I
The alchemist lab is a mine in the Heroes of Might and Magic games that gives the hero mercury each day. The player gains one unit of mercury each day they control the mine.
In Heroes III and Heroes IV, it is referred to as the alchemist's lab. In Olden Era, the alchemist's laboratory is used to convert mercury, gems, and crystal into alchemical dust. The structure that produces mercury is referred to as the mercury fissure.






