Here's a quick profile I used to help me get my final 3 Skyshards in one night. Note: you can ONLY use this if the Golden Lotus daily quest "Sprite Plight" is available, because that's the only time these mobs spawn. This quest becomes available after you do the first 5 quests in the Golden Pagoda, and after the NPC sends you to Mistfall Village for the next set of dailies. Again, this quest doesn't happen every day, but when it does you best take advantage of it.
Here is the quest info: Sprite Plight - Quest - World of Warcraft
Here is the mob you will be killing: Slateskin Troublemaker - NPC - World of Warcraft
And here's where they spawn:
The reason why I prefer this over the Stonebarks or Ancient Mogu's is because these mobs keep coming non-stop. Literally dozens of them spawn within a very small area, so you don't have to do a lot of running around. Plus they are yellow, so when it's repair time it's easy to get in and out. Finally there are no other mobs or elites in the area you have to worry about. The Skyshard drop rate on these guys is %.02, the same as the Ancient Mogu's and Stonebarks. These guys are also probably the best mobs I've ever farmed for motes. 1 in every 5 kills at least, if not more.
Note: I could have sworn they dropped Ancient Guo-Lai Cache Keys too, but according to Wowhead they don't. Give it a try and let and let me know if any drop for you.
View attachment [H] The Treezy 1.0 Sprite Plight.xml
View attachment [A] The Treezy 1.0 Sprite Plight.xml
Here is the quest info: Sprite Plight - Quest - World of Warcraft
Here is the mob you will be killing: Slateskin Troublemaker - NPC - World of Warcraft
And here's where they spawn:

The reason why I prefer this over the Stonebarks or Ancient Mogu's is because these mobs keep coming non-stop. Literally dozens of them spawn within a very small area, so you don't have to do a lot of running around. Plus they are yellow, so when it's repair time it's easy to get in and out. Finally there are no other mobs or elites in the area you have to worry about. The Skyshard drop rate on these guys is %.02, the same as the Ancient Mogu's and Stonebarks. These guys are also probably the best mobs I've ever farmed for motes. 1 in every 5 kills at least, if not more.
Note: I could have sworn they dropped Ancient Guo-Lai Cache Keys too, but according to Wowhead they don't. Give it a try and let and let me know if any drop for you.
View attachment [H] The Treezy 1.0 Sprite Plight.xml
View attachment [A] The Treezy 1.0 Sprite Plight.xml