NOTE: This item is a Halloween 2016 Event exclusive item and was only available during (19th October - 2nd November 2016). Although it can still be purchased on the market it has no functional use currently.
Found via exploration at the Thorny Forest (Halloween Map)
Found via exploration at the Lost Souls Labyrinth (Halloween Map)
Available in the Halloween Companion Store for 450 Maana/75 Gold.