The rarity of Vestige of the Arsenal Magus is Mythical, and been equipped it takes a “Bundle” slot. At this moment the item is available for trade.
Vestige of the Arsenal Magus is a skin for Invoker. The skin was added to the game on February 25, 2014, it was created by SUNSfan.
Vestige of the Arsenal Magus has been recently added to the game, which makes it rather popular with the game community.