The rarity of Battle Dress of the Proven is Mythical, and been equipped it takes a “Bundle” slot. At this moment the item is available for trade.
Battle Dress of the Proven is a skin for Centaur Warrunner. The skin was added to the game on December 29, 2015, it was created by Nikey.
Battle Dress of the Proven is currently one of the most popular skins, but it is rarely seen in the game due to its high price.