The rarity of Raptures of the Abyssal Kin is Mythical, and been equipped it takes a “Bundle” slot. At this moment the item is available for trade.
Raptures of the Abyssal Kin is a skin for Queen of Pain. The skin was added to the game on May 16, 2018, it was created by LaughingSkyPig.
Raptures of the Abyssal Kin is currently one of the most popular skins, but it is rarely seen in the game due to its high price.