For more information regarding Hydragenum, see the hydragenum category.

In The Witcher computer game Edit

Hydragenum, indicated in silver, is a basic alchemical substance. It is present in many ingredients, including herbs, minerals and monster parts. This category contains all ingredients with hydragenum as their primary substance. For more hydragenum ingredients which also contain secondary substances like Albedo, Nigredo and Rubedo, see the subcategories shown below.

See also Edit

Hydragenum, with Albedo

Hydragenum, with Nigredo

Hydragenum, with Rubedo

In The Witcher 2: Assassins of Kings Edit

Hydragenum, now indicated in blue, is a basic alchemical substance. It is found in seven ingredients.