The Witcher[]
Optima mater is an alchemy ingredient and can be purchased by the following merchants:
- Kalkstein in the Nonhuman district
- Abigail at her house in the Outskirts
Source[]
The Witcher 3: Wild Hunt[]
Optima mater is an alchemy ingredient that is needed to craft the following items:
It can be purchased from the following merchants:
- Herbalist at the roadside shrine in White Orchard
- Merchant at the sawmill in White Orchard
- Tomira in White Orchard
- Keira Metz near Midcopse
- Merchant in Silverton district
