The rarity of Vestments of the Iron Will Set is Rare, and been equipped it takes a “Bundle” slot. At this moment the item is available for trade.
Vestments of the Iron Will Set is a skin for Spirit Breaker. The skin was added to the game on October 31, 2013.
Vestments of the Iron Will Set is currently one of the most popular skins, but it is rarely seen in the game due to its high price.