Fey Semblance Amulet is a very rare Template:Amulets that gives the user advantage on all mental saving throws.
Originally the kidney stone of an archfey, this object has been ahem, passed down through the centuries.
Properties
Amulets 
Rarity: Very Rare
Weight: 0.05 kg / 0.1 lb
Price: 210 gp
Special
The wearer of this item gains:
- Semblance of Fey: You have
Advantage on Intelligence, Wisdom, and Charisma Saving Throws.
Where to find
Act III quest reward for Avenge the Hag Survivors