The Witcher 2 alchemy

Potions[]

Name	Description	Buy	Sell
Rook	Increases damage dealt with swords.	10 - 26	2	0.2
Golden oriole	Increases all resistances.	10 - 26	2	0.2
Petri's philtre	Increases Sign intensity.	10 - 26	2	0.2
Cat	Allows Geralt to see in the dark and through walls.	10 - 26	2	0.2
Swallow	Accelerates Vitality regeneration.	10 - 26	2	0.2
Tiara	Limits loss of Vigor when parrying at the expense of damage dealt and Vitality.	10 - 26	2	0.2
Lapwing	Significantly increases regeneration of Vigor while reducing Vitality and all resistances.	10 - 26	2	0.2
Wolf	Increases accuracy of special attacks that cause critical effects. No side effects.	10 - 26	2	0.2
Virga	Increases all resistances while reducing chance of causing critical effects.	10 - 26	2	0.2
Thunderbolt	Significantly increases damage dealt at the expense of Vitality and its regeneration.	10 - 26	2	0.2
Mongoose	Provides protection from the kayran's toxic mucus.	10 - 251	11	0.2
Tawny owl	Accelerates Vigor regeneration.	10 - 26	2	0.2
Stammelford's Philtre	Increases Sign intensity while reducing vitality.	10 - 26	2	0.2
Maribor forest	Significantly increases Vigor while reducing Vitality and chance of causing critical effects.	10 - 26	2	0.2
White Raffard's decoction	Significantly increases Vitality while reducing damage dealt.	10 - 26	2	0.2
Brock	Significantly increases chance of causing critical effects while reducing all resistances.	10 - 26	2	0.2
Gadwall	Significantly increases the regeneration of Vitality at the expense of Vigor and damage dealt.	10 - 26	2	0.2

Name	Description	Buy	Sell
Falka's Blood	Increases maximum sword damage dealt.	50 - 126	6	0.2
Brown oil	Increases Bleeding.	50 - 126	6	0.2
Necrophage oil	Increases damage dealt to necrophages.	50 - 126	6	0.2
Hanged man's venom	Increases damage dealt to humans.	50 - 126	6	0.2
Specter oil	Increases damage dealt to specters.	50 - 126	6	0.2
Whirl	Increases damage dealt.	50 - 126	6	0.2
Arachnid oil	Poisons foes.	50 - 126	6	0.2
Insectoid oil	Increases damage dealt to insectoids.	50 - 126	6	0.2

Name	Description	Buy	Sell
Samum	Stuns and immobilizes all enemies in range.	40 - 101	5	0.5
Grapeshot	After detonating wounds all enemies in range with shrapnel.	40 - 101	5	0.5
Devil's puffball	Releases a cloud of poison gas.	50 - 126	6	0.5
Dancing star	Explodes with fire and wounds enemies.	50 - 126	6	0.5
Dragon's dream	Releases a cloud of flammable gas.	40 - 101	5	0.5
Flare	Illuminates the surrounding area when detonated.	20 - 51	3	0.5
Zerrikanian sun	Blinds and immobilizes all enemies in range.	40 - 101	5	0.5
Stenchbulb	Releases a foul-smelling cloud that decreases the statistics of all enemies within it.	30 - 76	4	0.5
Red haze	Releases a cloud of psychoactive gas.	1	1	0.5