How do you unlock Highmountain?
To unlock the Highmountain Tauren Allied Race, you must first have the Battle for Azeroth expansion purchased. Ain’t No Mountain High Enough requires completion of the Highmountain storyline, which should take a few hours to complete.
How long does it take to get exalted with Highmountain?
You need more than that or it takes forever. The Highmountain emissary will come up once every 9 days for 1500. Obviously you will get that if you are doing the WQs daily. You also get a Kirin Tor emissary every 9 days which you can choose to give you another 1500 Highmountain rep if you are focusing on it.
Do you have to be Horde to unlock Highmountain Tauren?
However, you need a Horde character to do the scenario that finally unlocks them. As long as your ally char is exalted with Highmountain all you need to do is do the allied race questline on a lvl 110 Horde character and the Highmountain Tauren will be unlocked. That, or level a DH.
What level do Highmountain Tauren start at?
Note, Allied Races start at level 20, and with the new level scaling from 7.3. 5, Highmountain Tauren can quest in any zone requiring a 10-60 level range, as long as said zone has Horde quests.