The rarity of Malicious Sting is Rare, and been equipped it takes a “Bundle” slot. At this moment the item is available for trade.
Malicious Sting is a skin for Shadow Demon. The skin was added to the game on August 13, 2014, it was created by Perfect World China.
Malicious Sting has been recently added to the game, which makes it rather popular with the game community.