The rarity of Armaments of the Night Grove is Rare, and been equipped it takes a “Bundle” slot. At this moment the item is available for trade.
Armaments of the Night Grove is a skin for Luna. The skin was added to the game on November 18, 2015, it was created by Cersei Lannister.
Armaments of the Night Grove has been recently added to the game, which makes it rather popular with the game community.