Did you know there is a way to grind yellow mobs power leveling from 67 level all the way to 70? And you do it in an area where the mobs are packed tightly together and there is almost NO chance of being ganked (for those of us on PVP realms). These mobs are yellow (neutral), respawn fast and each drop around 10-20 silver pieces and a few pieces of Netherweave Cloth - great grinding mobs foe the player to power leveling their characters. But in order to take advantage of this, you must be working on your faction's quest chain that leads to the Divination quests for Altar of Shadows.

 

So by now you know the easiest way to grind in World of Warcraft is to focus on yellow passive mobs as much as possible while power leveling. They don't have aggro, so you don't need to worry about adds. In fact you can sit and rest right in the midst of a group of them without worry for your safety with power leveling.

 

After you complete that quest you will be given the quest Spectrecles. For this quest you will be given the Spectrecles head item that will allow you to see the Shadowmoon Harbingers. What you will be grinding are Shadowmoon Harbingers if you are Alliance and Shadowmoon Zealots if you are Horde. These mobs are both located inside your faction's Shadowmoon Valley stronghold - Shadowmoon Village for Horde and Wildhammer Stronghold for Alliance. For Horde, you will begin in Shadowmoon Village at Chief Apothecary Hildagard (30,28) with the quest A Haunted History.