If for some reason you have any of the quest items acquired during this quest before starting it, making sure to destroy them otherwise you will not receive the necessary quest updates.
If soloing: At a certain quest step you will need a specific chest drop. The chest will not drop if the mob is greyed out to you, therefore it is recommended that you mentor down to at least adventure level 80 before beginning this quest.
Harvest 4 Blood of the Thrall from boxes named 'Libation Winery' found in the same room as Head Maid Z'yra. ( -78, -27, -69 ) Copy/waypoint -78, -27, -69
Warning: Do not kill Xicotl or his placeholder, a Mistmoore bloodseeker, if they are up. He is needed for a quest step further on.
Pick up the Stein of Cohesion. ( -63, -28, -93 ) Copy/waypoint -63, -28, -93
Go to the Conversion Chamber and give the Cauldron of Uzun the ingredients to create the Liberation Libation. ( -166, -30, 77 ) Copy/waypoint -166, -30, 77
Head back to the dwarven thrall and give him the potion. Follow him as he runs off. ( -86, -31, 83 ) Copy/waypoint -86, -31, 83
Kill Xicotl or his placeholder. ( -124, -28, -33 ) Copy/waypoint -124, -28, -33
Enter Castle Mistmoore and examine the Chest of Zanne. ( -90, 1, -26 ) Copy/waypoint -90, 1, -26
In the same room as the chest, pick up the book lying on the coffin called, "Eternal Blood", and examine it from your inventory. ( -98, 1, -25 ) Copy/waypoint -98, 1, -25.
Click the Skull of Rastin in The Secret Stash, at ( -87, 0, 8 ) Copy/waypoint -87, 0, 8. To access the room, click on the vase at ( -60, 0, 3 ) Copy/waypoint -59.8, 0, 2.8.