The fading jenny (Originally Invisibility Herb, or Hide Herb) is an item in Dragon Quest III.
The Fading jenny is an item that turns the party invisible temporarily. It can be purchased for 300 gold coins, and sold for 225. The Hero and his/her allies made use of them to sneak into Edina Castle to retrieve the Bottomless pot, as one of the guards found them to be too lowly to enter.
The herbs can be purchased in:
They are also sometimes dropped by: