Tools of Divination

What is this? This quest Tools of Divination is started by the item Soothsayer's Runes - that you can turn in with the Darkmoon Faire whenever it is in town.

How do I get it? In order to be eligible to loot Soothsayer's Runes, you must have the Darkmoon Adventurer's Guide in your bags inventory - which can be obtained in one of two ways:

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• Receive it as a reward from Gelvas Grimegate after completing The Darkmoon Faire for Alliance or The Darkmoon Faire for Horde.
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• Receive it from Selina Dourman just by talking to her, she stands at the first tent on the left-side of the entrance to the Darkmoon Faire.
  Note: if you have The Darkmoon Faire quest in your quest log, Selina will not offer to give you the guide - you will either need to drop the quest and speak to her again or simply hand in at which point you get the guide anyway.
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Where do I get it? This particular item now drops from Cataclysm and Mists of Pandaria raid bosses and it appears to still be the first raid boss in each respective raid. They are listed below (drop locations will be updated as they are confirmed):

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• Argaloth -- Baradin Hold
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• Magmaw -- Blackwing Descent
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• Halfus Wyrmbreaker -- Bastion of Twilight
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• Shannox -- Firelands
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• Nezir -- Throne of the Four Winds
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• [npc=55265] -- [zone=5892] this now includes LFR [editor's note: drop rates seem to have been nerfed significantly with MoP's release]
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• [npc=62980] -- [zone=6297] Newly added with MoP!
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Why do I want it? There are several reasons that you may want Soothsayer's Runes:

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• Receive 10 Darkmoon Prize Tickets upon handing it in - these tickets allow you to purchase mounts, pets and other collectibles whenever the Darkmoon Faire is on.
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• Receive 250 reputation (or more depending on your racial/guild bonuses etc) with the Darkmoon Faire - great for anyone who is either a rep junkie or is working towards The Insane title awarded by the Insane in the Membrane achievement.
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• Having completed this quest will count towards the achievement Darkmoon Despoiler.
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• Gold - since this item isn't BoP (bind on pickup), it is tradable and sellable via the auction house.
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What else do I need to know?

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• Every eligible raid member in your group can loot one of Soothsayer's Runes if it drops - it does not have to be rolled for.
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• The quest can only be turned in once per Darkmoon Faire. You can certainly collect more of these, however if you've turned in for the current faire, you'll have to wait till it's next in town.
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• Soothsayer's Runes can be looted anytime - that is to say, the Darkmoon Faire does not have to be currently on in order for you to be able to find these puppies.
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What other Darkmoon Faire drops are there?

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• Fallen Adventurer's Journal -> The Captured Journal = 5 x Darkmoon Prize Tickets
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• Banner of the Fallen -> A Captured Banner = 5 x Darkmoon Prize Tickets
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• Captured Insignia -> The Enemy's Insignia = 5 x Darkmoon Prize Tickets
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• Imbued Crystal -> A Curious Crystal = 10 x Darkmoon Prize Tickets
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• Monstrous Egg -> An Exotic Egg = 10 x Darkmoon Prize Tickets
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• Mysterious Grimoire -> An Intriguing Grimoire = 10 x Darkmoon Prize Tickets
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• Ornate Weapon -> A Wondrous Weapon = 10 x Darkmoon Prize Tickets
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• A Treatise on Strategy -> The Master Strategist = 15 x Darkmoon Prize Tickets
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Will frequently amend and extend this post as users request it or as I learn more.

Here is a macro to show which items you haven't turned in this month. If any lines show up as "nil" just run the macro again to get the item link.
/run q={{0,0},{1,1},{2,2},{3,3},{8,80},{13,316},{14,317},{15,318},{21,81}}print("Items not yet turned in this month:")for _,l in pairs(q)do if not IsQuestFlaggedCompleted(l[1]+29443)then _,t=GetItemInfo(l[2]+71635)print(t)end end

[edit]Updated for patch 5.0.

Please keep in mind that the quest is not repeatable during one DMF festival. After you complete the quest you cannot get it for the second time, as it states when you use an item for the second time "You have already completed this quest". In other words - you can do the quest once every month.
Now, to all the naysayers, Blizzard has confirmed that these quests are to be repeated each month. Source
They have also stated that the quest drops that happen in the dungeons/raids/BG’s happen all the time, even if the faire isn’t in town. Source