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This achievement line awards 'the Relic Hunter' title.

There are 28 different items you can loot for this series of achievements, the majority of which are BoA. These can only be looted once per character, after which you will no longer be able to see the related quest item when it spawns. Unlike the items for the Treasures of Pandaria achievement line, these items are NOT always available and will require some camping/luck to find them all.

Since looting these items completes a hidden flag quest, the easiest way to know which item you have/haven't looted is by running the following script:

/run print(IsQuestFlaggedCompleted(FLAG_ID))

Simply replace FLAG_ID with the appropriate quest ID listed in brackets next to the items below. The script will return 'nil' if you haven't looted the item, and '1' if you have.

Note: Some of the names for the FLAG quests don't match the items they reward. This is because they gave different rewards during beta and where simply re-used when Blizzard changed their mind about what rewards to give.

List of Treasures:

Jade Forest

• Ancient Jinyu Staff  -  FLAG - Waterspeaker's Staff (31402)
• Ancient Pandaren Mining Pick  -  FLAG - Ancient Pandaren Mining Pick (31399)
• Hammer of Ten Thunders  -  FLAG - Hammer of Ten Thunders (31403)
• Jade Infused Blade  -  FLAG - Jade Infused Blade (31307)
• Wodin's Mantid Shanker  -  FLAG - Wodin's Mantid Shanker (31397)

Valley of the Four Winds

• Ancient Pandaren Fishing Charm  -  FLAG - Ancient Pandaren Fishing Pole (31284)
• Ancient Pandaren Woodcutter  -  FLAG - Ancient Pandaren Woodcutter (31292)
• Cache of Pilfered Goods (Gives Class specific reward, like Stolen Necklace of Precision)  -  FLAG - Cache of Pilfered Goods (31406)
• Staff of the Hidden Master  -  FLAG - Staff of the Hidden Master (31407)

Krasarang Wilds

• Equipment Locker (Gives Class specific reward, like Swashbuckling Boots)  -  FLAG - Equipment Locker (31410)
• Pandaren Fishing Spear  -  FLAG - Pandaren Fishing Spear (31409)
• Recipe: Banana Infused Rum  -  FLAG - Banana Infused Rum (31411)

Kun-Lai Summit

• Hozen Warrior Spear  -  FLAG - Hozen Warrior Spear (31413)
• Kafa Press  -  FLAG - Kafa Press (31304)
• Sprite's Cloth Chest (Gives Class specific reward, like Agile Sprite Cloak)  -  FLAG - Sprite's Cloth Chest (31412)
• Sturdy Yaungol Spear  -  FLAG - Stash of Yaungol Weapons (31421)
• Tablet of Ren Yun  -  FLAG - Tablet of Ren Yun (31417)

Townlong Steppes

• Yaungol Fire Carrier  -  FLAG - Yaungol Fire Carrier (31425)

Dread Wastes

• Blade of the Poisoned Mind  -  FLAG - Hammer of the Poisoned Mind (31438)
• Blade of the Prime  -  FLAG - Blade of the Prime (31433)
• Bloodsoaked Chitin Fragment  -  FLAG - Bloodseeker's Frenzied Mace (31436)
• Dissector's Staff of Mutation  -  FLAG - Dissector's Staff (31435)
• Lucid Amulet of the Agile Mind  -  FLAG - Lucid Amulet (31431)
• Malik's Stalwart Spear  -  FLAG - Malik's Stalwart Spear (31430)
• Manipulator's Talisman  -  FLAG - Manipulator's Talisman (31432)
• Swarming Cleaver of Ka'roz  -  FLAG - Swarming Cleaver (31434)
• Swarmkeeper's Medallion  -  FLAG - Swarmkeeper's Crossbow (31437)
• Wind-Reaver's Dagger of Quick Strikes  -  FLAG - Wind-Reaver's Dagger (31429 or 31666)

Happy hunting! :)