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