The Witcher
Sulfur is an alchemy ingredient in The Witcher and can be purchased by the following merchants:
Source
The Witcher 3: Wild Hunt
Sulfur is an alchemy ingredient that is needed to craft the following items:
It can be found as regular random loot, random drops from hounds of the Wild Hunt and sandcrabs, received as reward for completing the secondary quest Practicum in Advanced Alchemy, 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
- Quartermaster in Crow's Perch
- Halfling merchant in Silverton
- Merchant in Putrid Grove
- Merchant in the roadside camp south of Kaer Trolde
- Merchant in Kaer Trolde Harbor
- Merchant at the sawmill south of Sund
- Wandering merchants in Skellige
- Merchant in Mohrin Village
- Pinastri in her home northeast of Dun Tynne Crossroads
