The rarity of Warden of the Wyrmforge Shard is Mythical, and been equipped it takes a “Bundle” slot. At this moment the item is available for trade.
Warden of the Wyrmforge Shard is a skin for Elder Titan. The skin was added to the game on January 11, 2017, it was created by OrganizedChaos.
Warden of the Wyrmforge Shard has been recently added to the game, which makes it rather popular with the game community.