Potion, legendary
A flask containing a clear green potion, and is simply labeled "Good Hearing"
Once ingested the character gains the following dark gift:
Gift:
You grow a pair of furless ears bat ears.
You have advantage on all perception check that require listening. You gain proficiency with the perception skill if you are already profiant proficiency bonus is doubled.
Dark Price:
If your ears are not covered up you have disadvantage on all charism based skill checks. And you gain the flaw: "Very one is talking about me be hind my back!"