Shop › Potion of Advantage (Floating dice) Image 1 of 3 Image 2 of 3 Image 3 of 3 Potion of Advantage (Floating dice) $40.00 Slight curve on the base of the glass and might require a small shake if dice get stuck under the other. Quantity: Add To Cart Added! Slight curve on the base of the glass and might require a small shake if dice get stuck under the other.