The ghostly essences drop off of the ghost mobs in the courtyard when you first enter SFK. You should have no trouble getting the five you need.
Walden's Talisman drops off of Lord Walden, the fourth boss. You must loot it from his corpse.
The Book of Lost Souls is in the same room as Lord Walden. It is sitting on a chair to the right of the door through which you continue after killing Walden.
Quest
Hretar's Task
Quest facts and objectives from the current retail game data.
The highest voted Wowhead comments for this page. They are community notes, not TheWoWDB comments.
After the quest is completed, Saru Steelfury will do a brief scene.
Saru Steelfury says: I have to admit, you're not what I expected when I received the warchief's commission.
Saru Steelfury says: Still, the elements clearly speak to you, and when I'm done, you'll have a fine weapon to help you harness their power.
Saru Steelfury says: I haven't worked moonsteel in years, but it's not the kind of thing you forget. Apprentices, it's time to show you how to work real metal!
Saru Steelfury says: Your weapon is finished. I think you will find our work a fitting reward for your loyalty to the Horde. Use it to remind our enemies why they should fear us!
As of 5.4 this quest is obtained from [npc=72939], who is also in the Valley of Wisdom.
Quest facts
The client quest POI data records no map location for this quest, so no map is shown.
Check whether you have already completed this quest
in-game: /run print(C_QuestLog.IsQuestFlaggedCompleted(27397))
Requirements
Read from the Blizzard quest API.
Description
The elements and spirits speak to you with clear voices, {name}. You have become a powerful shaman and an example to others wishing to serve the Horde. Word has even reached the warchief, and he has commissioned his personal smith to forge a special weapon for you. The cursed Shadowfang Keep in Silverpine Forest is the only place to get the materials you'll need. Travel there and obtain Lord Walden's talisman, the Book of Lost Souls, and essence from the ghosts haunting the keep.
Community notes from Wowhead · 11 comments
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3D Model
First-party render from the game files. Model © Blizzard Entertainment.
Reward details
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Reputation: Orgrimmar +500
Founded by Thrall, this Horde capital city is home to many of the proud orc clans of Durotar.
Reputation group: Horde.
Item facts are the current retail client’s (ItemSparse); the specialisations for a pick-one item are the ones the Blizzard quest API lists; faction and currency text is the client’s own. Lowest listed price = the US commodity auction house now.