The rarity of Eternal Daemon Prince of Khorne is Mythical, and been equipped it takes a “Bundle” slot. At this moment the item is available for trade.
Eternal Daemon Prince of Khorne is a skin for Doom. The skin was added to the game on September 1, 2016, it was created by Jashugan.
Eternal Daemon Prince of Khorne has been recently added to the game, which makes it rather popular with the game community.