The rarity of Dancer of the Spiteful Eye is Mythical, and been equipped it takes a “Bundle” slot. At this moment the item is available for trade.
Dancer of the Spiteful Eye is a skin for Shadow Shaman. The skin was added to the game on October 16, 2015, it was created by sandviper.
Dancer of the Spiteful Eye has been recently added to the game, which makes it rather popular with the game community.