Fury of the Forgotten Swarm

Source
This item drops from:
 * Major Yeggeth in Ruins of Ahn'Qiraj
 * Captain Xurrem in Ruins of Ahn'Qiraj
 * Major Pakkon in Ruins of Ahn'Qiraj
 * Captain Qeez in Ruins of Ahn'Qiraj
 * Captain Drenn in Ruins of Ahn'Qiraj
 * Captain Tuubid in Ruins of Ahn'Qiraj
 * Colonel Zerran in Ruins of Ahn'Qiraj