http://truewow.org/forum/viewtopic.php? ... 33#p390428
Kandrostrasz <Brood of Alexstrasza>
in Temple of Ahn'Qiraj will offer 7 repeatable quests to players who have the enchanting skill with 300 skill points which allow the enchanter to obtain materials which are actually TBC materials but are needed for some enchanting recipes which drop in aq20/40.
Small Prismatic Shard for 2 x Nexus Crystal
Greater Planar Essence for 2 x Greater Eternal Essence
Fel Lotus for 2 x Black Lotus
Primal Earth for 2 x Essence of Earth
Primal Air for 2 x Essence of Air
Primal Life for 2 x Essence of Life
Primal Shadow for 2 x Essence of Undeath
All loot has been removed from Summoned Zombies
which was incorrectly dropping black lotus and other materials.
All TBC/WOTLK herbs, leathers, gems and Primals have been removed from Lhara
Players who had TBC/Wotlk herbs/leather in inventory have had these items removed.