The rarity of Chained Mistress Set is Rare, and been equipped it takes a “Bundle” slot. At this moment the item is available for trade.
Chained Mistress Set is a skin for Queen of Pain. The skin was added to the game on August 16, 2013, it was created by Konras.
Chained Mistress Set has been recently added to the game, which makes it rather popular with the game community.