Tonic of Ancient Dragon's Vitality

Very Rare Potion

Elixir of the Elder. When you drink this potion, your Constitution score changes to 27 for 1 hour. The potion has no effect on you if your Constitution is equal to or greater than that score.
This potion’s transparent liquid has floating in it a sliver of a scale from an Ancient Dragon.

Variant of
Tonic of Dragon's Vitality