Potion of Giant Strength

This potion's transparent liquid has floating in it a sliver of fingernail from a giant of the appropriate type. 
When you drink this potion, your strength score changes for 1 hour. The type of giant determines the score. 

Giant Type	Strength Score
Hill	21
Frost/Stone	23
Fire	25
Cloud	27
Storm	29

Raw materials & Components

Frost Lichen, Bloodroot, a sliver of fingernail from the corresponding giant