Looks like Viper's Sting, which I think drops in Fungal Grotto? It's basically this set - http://elderscrollsonline.wiki.fextralife.com/Viper's+Sting+Set
Even though the sword has a different name, because it comes from the same set, it still counts as a piece towards it
Looks like Viper's Sting, which I think drops in Fungal Grotto? It's basically this set - http://elderscrollsonline.wiki.fextralife.com/Viper's+Sting+Set
Even though the sword has a different name, because it comes from the same set, it still counts as a piece towards it