Wisp Upgrade Stones

Versions

Version	Name	Rarity	Price
Frost	Wisp Upgrade Stone (Frost)	Rare	6.84M
Glacial	Wisp Upgrade Stone (Glacial)	Epic	34M
Subzero	Wisp Upgrade Stone (Subzero)	Legendary	81M

Prices are bazaar instant-buy or the auction estimate.