Obtain 2000 Bloody Coins as an Emissary of Ordos or Ordon Fire-Watcher. 

Once finished with this achievement not only will you gain 10 point but also the title “Fire-Watcher”

Speaker Gulan Located at 75.0, 44.8 on the Timeless Isle

Actually you’ll gain more than just 10 points here because this is in the last of a series, so you’ll really get 50 and the title.

Either way first things first go grab the Censer of Eternal Agony. When you buy if for 1000 timeless coins you’ll see all the other cool things you can get for bloody coins.

you can follow the much like guide over at wow head here.

Good luck!