The beautiful crafted Primal Mooncloth set from Burning Crusade is a recolor of the Classic Prophecy set from Molten Core.
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Book of Prophecies
Vestments of Prophecy with Gossamer Headpiece and Light’s Wrath (Hidden, 1st tint)
Some combinations of Tier set and Legion Artifact weapon were just meant to be.
I have always been covetous of the NPC-exclusive recolor of the Prophecy Mantle worn by Kosta Dawnchaser at Thunder Cleft in Krasarang Wilds — but I didn’t know the robe details well enough to recognize the differences in the robe style until I stood them side-by-side to take the pictures.
Prophecies of Power
Whitemane’s Chapeau, Mantle of Prophecy, Ruby Drape of the Mysticant, Robe of Power, Girdle of Prophecy, Boots of Prophecy, T’uure (Hidden, 1st tint)
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Primal Mooncloth
Cassandra’s Grace, Primal Mooncloth shoulders robe & belt, Replica Virtuous Gloves + Dryad’s Wrist Bindings, Key to the Planes
Mooncloth Pennant
Mountainsage Hood/Crown of the Champion, Primal Mooncloth Shoulders, Pennant Cloak, Primal Mooncloth Robe, Rhie-Ay’s Clutching Gauntlets, Primal Mooncloth Belt/Corpse-Stitcher’s Cord, Sandswept Sandals, Apostle of Argus
Stormwind Battlemage
Mountainsage Hood, Primal Mooncloth Shoulders, Whispering Tunic, Bridenbrad’s Sash, Leggings of the Night Sky, Exiled Dabbler’s Gloves, Faith Healer’s Boots*, Bone Witch’s Drape, Stormwind Tabard, Replica Lion’s Fang, Divine Companion
Kamalia et alia 
Oof. Living BC for the first time, I now know the pain of people having to farm Spellfire, Primal Mooncloth, Shadoweave, etc. etc. for their gear. Some people I know had about 5-6 toons with tailoring leveled so they could crank out the cloth necessary for their sets to be raid ready.
I didn’t make my primal mooncloth set until a couple of xpacs later when I could easily solo grind for the motes!
In Mists I had 3 Alchemists doing the daily CD for a reagent my gear crafters needed.