Oil Preparation
Effect: allows you to create oils.
Skillpoint cost:none, available from the beginning.
Required level: none, available from the beginning.
Brewing
Effect: allows you to create potions.
Bomb Creation
Effect: allows you to create bombs.
Enhanced Oils
Effect: increases the effectiveness of oils.
Tawny Owl
Effect: allows you to create the Tawny Potion.
Fixative
Effect: increases critical hit damage against the monster class that the applied oil targets.
Required level: 10.
Cat
Effect: allows you to create the Cat potion.
Steady Aim
Effect: reduces bomb throwing time.
Acquired Tolerance
Effect: increases the amount of witcher potions that can be used during combat.
Required level: 15.
Squall
Effect: allows you to create the Squall potion.
Required level: 20.
Required level: 25.
Fast Metabolism
Pyrotechnics
Effect: all bombs deal more damage.
Superior Oils
Required level: 30.
Wolverine
Effect: allows you to create the Wolverine potion.
Advanced Pyrotechnics
Effect: bombs charge the critical hit meter.
Potions Master
Effect: gives you a chance to create an additional potion.

Required level: 35.
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