Neferset Insignia

Neferset Insignias drop from the following tol'vir in Uldum:
 * Neferset Venom Keeper
 * Neferset Cursebringer
 * Neferset Ritualist
 * Neferset Snake Charmer
 * Neferset Armorer
 * Neferset Savage
 * Neferset Blade Twister
 * Neferset Raider
 * Neferset Scryer

As a quest objective

 * Bleeding the Enemy