Where to get it

Places		Quantity	Chance
The Hidden Vault	One outcome per slot	× 1	11.11%
Desert Crypt	One outcome per slot	× 1	11.11%
Hidden Lagoon	One outcome per slot	× 1	11.11%
The Maw	One outcome per slot	× 1	11.11%
Forgotten Halls	One outcome per slot	× 1	11.11%
Fortified Crypt	One outcome per slot	× 1	11.11%
Fallen Crypt	One outcome per slot	× 1	11.11%
Medusa's Gallery of Souls	One outcome per slot	× 1	11.11%