Dendrite Cluster

Dendrite Clusters drop from the following eredar or Broken in Mac'Aree:
 * Augari Consul
 * Darklost Krokul
 * Augari Wakener
 * Shadow-Touched Krokul
 * Void-Addled Krokul
 * Voidscarred Krokul
 * Famished Broken

As a quest objective

 * The Power to Reforge