The rarity of Epitaphic Bonds is Mythical, and been equipped it takes a “Bundle” slot. At this moment the item is available for trade.
Epitaphic Bonds is a skin for Templar Assassin. The skin was added to the game on June 20, 2014, it was created by Zipfinator.
Epitaphic Bonds is currently one of the most popular skins, but it is rarely seen in the game due to its high price.