Pillars of Draenor

Obtaining this achievement is only possible when you have the Assault on the Everbloom Wilds daily quest from your Garrison because you are unable to interact with the objects without it.

The 3 pillars of power are Pillar of Rejuvenation, Pillar of Life and Pillar of Creation.
The Pillar of Rejuvenation is located at 70.7 36.5 and grants you Energy of Rejuvenation.
The Pillar of Life is located at 73.6 42.8 right behind Acanthus and grants Energy of Life.
The Pillar of Creation is located at 69.8 43.9 close to Protectors of the Grove and grants you Energy of Creation.
All 3 buffs have a 5 minute duration and once you get them all the buffs get removed and you get a Pillar of Power buff that lasts for 5 minutes and does about 12000 damage which can crit.

I recommend starting with the Pillar of Creation since it is located the furthest and there are many mobs on the way to it. You should clear the way to it and then get the other two pillars on the way back.

Beware! The buffs you get are actually categorized as debuffs and they will be removed when using immunities, such as iceblock or cloak of shadows. Should you not manage to get all 3 buffs in time you will need to complete the assault quest to 100% then abandon the quest and get it again since you won't be able to interact with the pillars more than once. If you don't complete the assault before abandoning the quest the Pillars won't reset and you won't be able to gain their buffs.

For your copy & paste needs:

/way 70.7 36.5 Pillar of Rejuvenation
/way 73.6 42.8 Pillar of Life
/way 69.8 43.9 Pillar of Creation

Maps of location of the 3 pillars for the guys without coords: Link From top to bottom: Pillar of Rejuvenation, Life, Creation