So, I found this Quest in Zuldazar Beta that might be worth checking out when the expansion goes live: Raal - Quest - World of Warcraft. There is a video of the quest for more info (not by me):
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Fact is that the druid questgiver will accompany you the whole quest, and she hits like a truck, ripping like 40% of the mobs total health with every hit. Mobs killed were giving me full experience no matter how much my share of damage was, so i began tapping mobs and yes, full XP. Check this image:
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If you go out of bounds and the npc fades out you can go where you picked the quest and she will reappear. You can use her to kill humanoids in the terrace for tailoring supplies too.
As I said, this is from beta, might get fixed, but worth checking out when bfa goes live.