Cold-Martijn
commented
2 years ago https://www.wowhead.com/news/patch-5-2-guide-to-profession-changes-211072 https://www.wowhead.com/news/patch-5-4-guide-to-all-profession-changes-and-additions-219387
Potentially Tailoring https://www.wowhead.com/spell=125557/imperial-silk also has the chance to unluck the raid epics or crafted PvP gear. Could not test.
Potentially Blacksmithing https://www.wowhead.com/item=100865/plans-balanced-trillium-ingot-and-its-uses also has the chance to unluck a random ilvl 476 Crafted Malevolent or ilvl 553 epic pattern.
Potentially Engeneering https://www.wowhead.com/item=100910/schematic-chief-engineer-jards-journal can be used for some random vanity stuff that isn't very usefull.
Aithne99
Pattern Drums of Rage drops, should drop only as of patch 5.4 https://www.wowhead.com/item=102513/pattern-drums-of-rage
Pattern: Magnificence of Scales drops, should only drop as of patch 5.2 https://www.wowhead.com/item=95468/pattern-magnificence-of-scales
Pattern: Magnificence of Leather drops, should only drop as of patch 5.2 https://www.wowhead.com/item=95467/pattern-magnificence-of-leather
Design: Primal Diamond drops, should only drop as of patch 5.2 https://www.wowhead.com/item=95471/design-primal-diamond
Design: Serpent's Heart drops, should only drop as of patch 5.2 https://www.wowhead.com/item=95470/design-serpents-heart
Technique: Crafted Malevolent Gladiator's Medallion of Tenacity drops, should drop only as of patch 5.4 https://www.wowhead.com/item=102534/technique-crafted-malevolent-gladiators-medallion-of-tenacity