Potion of ResistanceItem 6+
AbjurationConsumableMagicalPotion
Source Core Rulebook pg. 563 2.0
Usage held in 1 hand; Bulk L
Activate 
Interact
Drinking this thick, fortifying potion grants resistance against a single damage type for 1 hour. Each potion of resistance is created to defend against acid, cold, electricity, fire, or sonic damage (and is called a lesser potion of fire resistance or the like).

Potion of Resistance (Lesser)
Item 6Source Core Rulebook pg. 563 2.0Price 45 gp
You gain resistance 5 to the appropriate energy type.
Potion of Resistance (Moderate)Item 10
Source Core Rulebook pg. 563 2.0Price 180 gp
You gain resistance 10 to the appropriate energy type.
Potion of Resistance (Greater)Item 14
Source Core Rulebook pg. 563 2.0Price 850 gp
You gain resistance 15 to the appropriate energy type.