Design: Infused Shadowsong Amethyst (The Scale of the Sands)

Design: Infused Shadowsong Amethyst is a reputation reward; you must be with The Scale of the Sands to purchase it for  from  in Hyjal Summit.

Related Sources
The Shattered Sun Offensive also sell a version of this design. See Design: Infused Shadowsong Amethyst (Shattered Sun Offensive).