The rarity of Sanguine Royalty is Rare, and been equipped it takes a “Bundle” slot. At this moment the item is available for trade.
Sanguine Royalty is a skin for Queen of Pain. The skin was added to the game on June 24, 2014, it was created by Mango.
Sanguine Royalty is currently one of the most popular skins, but it is rarely seen in the game due to its high price.