How to Get the Rune Vessel in WoW: Shadowlands Here is how to get the Rune Vessel as well as how to complete this part of the Final Pieces quest. This item can be very hard to locate if you don’t know what you’re looking for. This expansion adds more difficult quests for us to take on, such as trying to get the Rune Vessel during the Final Pieces quest. World of Warcraft: Shadowlands is the eighth expansion for Blizzard’s hit MMO.