The rarity of Truebark Adherent is Mythical, and been equipped it takes a “Bundle” slot. At this moment the item is available for trade.
Truebark Adherent is a skin for Nature's Prophet. The skin was added to the game on September 14, 2016, it was created by Nikey.
Truebark Adherent is currently one of the most popular skins, but it is rarely seen in the game due to its high price.