Alright was questing in Deepholme and came across this quest where you have to defend it from the twillights hammer
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This is the qst Undying Twilight - Quest - World of Warcraft
Alright what those screenshots mean is that the quest is bugged, when the NPCs kill one of the mobs, you can loot it (CuT said tagging is required, ty mate) = unlimited supply of Embersilk Cloth & boe greens (if you have the time and the bag space)
The guy I was with had the tailor master thing (more cloth from loots) and he got 3 stacks in 15-25 min (NOTE: These drop rates are ONLY if you have the +cloth droprate from tailoring)
The only downside to this is the phasing as the mailbox & vendors disappear.
EDIT: If you tag them you get xp for them (Common sense really :O ), and the one I'm doing this with is goblin, so he can summon his bank... So to goblins who are gonna try this, empty your bank before hand
EDIT2: If you zone out you will NOT be able to do this again
Please keep me updated as I have done the qsts now and I am phased out, didn't make it to tests all kinds of things regarding this