Inspect the book next to Antiquitor Kantus Mor'Tael titled 1001 Tales of Maj'Dul. Write your name, write the title "The Undead Fate of Dalgin B'Dynn" and then keep clicking next page until you update.
Locate 'Dalgin B'Dynn's Demise', a broken cage under the water at the ocean entrance of the Croc Caves, and slay Dalgin B'Dynn. ( -1260, -236, -1112 ) Copy/waypoint -1260, -236, -1112