Optima mater

== ==
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 Great Book of Minerals
== ==
Optima mater is an alchemy ingredient that is needed to craft the following items:
It can be found as random loot or purchased from the following merchants:
* All alchemists except the Eternal Fire Priest
* All herbalists outside of Toussaint, except Yolar
* Armorer in Midcopse
* Armorer in Hierarch Square
* Armorer in Kaer Trolde citadel
* Armorer in Kaer Muire
* Armorer in Larvik
* Blacksmith in Lindenvale
* Rescued blacksmith in Fayrlund
* Merchant at the sawmill in White Orchard
* Generic Merchant in Nilfgaardian Army Group 'Center' Camp
* Merchant at the Boatmakers' Hut
* Merchant southeast of the Border Post
* Merchant in fishing village east of Stonecutters' Settlement
* Merchant in the campsite west of Lurtch
* Merchant at Mire Landing (Cestersover)
* Merchant at a crossroads between Mulbrydale and Devil's Pit
* Merchant by the bonfire at Road to Bald Mountain
* Halfling merchant in Silverton
* Merchant in Putrid Grove
* Quartermaster in Crow's Perch
* Wandering merchants in Velen and Novigrad
* Merchant in Kaer Trolde Harbor
* Merchant in the roadside camp south of Kaer Trolde
* Merchant at the sawmill south of Sund
* Wandering merchants in Skellige
* Wandering merchant in White Orchard during the epilogue
* Merchant at Crane Cape 
* Merchant in Mohrin Village 
* Pinastri in her home northeast of Dun Tynne Crossroads 
Optima mater can also be obtained by dismantling either of the Ursine armors that are crafted with it.
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Category:The Witcher ingredients
Category:Quebrith
Category:Rubedo
Category:The Witcher 3 ingredients