Savage Friends

Applicable factions:

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• [faction=1515]
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• [faction=1711]
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Alliance only:

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• [faction=1731]
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• [faction=1710]
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• [faction=1682]
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Horde only:

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• [faction=1445]
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• [faction=1708]
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• [faction=1681]
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Update: The achievement has been hot-patched (December 9, 2014) to only require 1 exalted Draenor reputation, instead of 3. (It still displays a requirement of 3, but will be awarded when 1 reputation reaches exalted.)

Once earned, it unlocks access to the blueprints for all of your characters (although you will still need to purchase the blueprints on each individual character you want to build the level 3 Trading Post for).

Barracks Bodyguards do not count toward this achievement.

Although Nat Pagle reputation can be gained in Draenor, that reputation does not count toward this achievement.

The easiest faction to grind out is Steamwheedle Preservation Society. Either farm the Ogres at Broken Precipice, or the Talbuks just outside the building where you turn in the fragments/relics. Talbuks are a bit faster, but I had better luck on relic drops with the ogres.

You can also go around killing the 9 elite rares in Nagrand, which each drop an item that can be turned in for 500 Reputation. The spawn rates are pretty decent, so if you pair up with a buddy or two and circle the zone once, turn them all in, they should respawn in time for you to make a second round. There is no limit to how many times you can kill them.

Just logged in and saw that I somehow got this achievement, but I have 0 Draenor reputations at exalted.