Gruug's Got a Grudge

Steps
Talk to Mender Gruug
 * 1) I am to kill the Lords of Repugnance, Fury, Abhorrence
 * 2) *Kill Demetrius Crane
 * 3) *Kill Dreadlord D'Somni
 * 4) *Kill Master P'Tasa

Rewards

 * Mender Gruug will allow you to mend your equipment at his anvil