The rarity of Regalia of the Mortal Coil Set is Rare, and been equipped it takes a “Bundle” slot. At this moment the item is available for trade.
Regalia of the Mortal Coil Set is a skin for Death Prophet. The skin was added to the game on December 9, 2013, it was created by Yi.
Regalia of the Mortal Coil Set is currently one of the most popular skins, but it is rarely seen in the game due to its high price.