Hive'Regal Silithid Brain

Hive'Regal Silithid Brains drop from the following silithid in Silithus:
 * Hive'Regal Hive Lord
 * Hive'Regal Slavemaker
 * Hive'Regal Ambusher
 * Hive'Regal Burrower
 * Hive'Regal Spitfire

As a quest objective
This item is an objective of Breaking the Code.