Cult of Orcus

 is a quest in the Shroud of Souls storyline quest chain, part of The Cloaked Ascendancy Campaign. To start this quest use.

Steps

 * Talk to Grazilaxx
 * Find Orcus Talisman
 * Search Cultist Caves
 * Defeat Dukathis
 * Take Talisman of Orcus
 * Awaken Zarifrax from his Phylactery in your inventory