Brew of Erinyes' Charm

Very Rare Potion

Elixir of the Dark Wings. When you drink this potion, your Charisma score changes to 27 for 1 hour. The potion has no effect on you if your Charisma is equal to or greater than that score.
This potion’s transparent liquid has floating in it a feather from the wing of an Erinyes.

Variant of
Brew of Devil's Charm