19 transmog appearances in Black Temple.
Belt of Divine GuidanceCloth Waist
Cloak of the Illidari CouncilCloth Back
Cowl of the Illidari High LordCloth Head
Forest Prowler's HelmMail Head
Gronnstalker's LeggingsMail Legs
Helm of the Illidari ShattererPlate Head
Leggings of AbsolutionCloth Legs
Leggings of the MaleficCloth Legs
Leggings of the TempestCloth Legs
Lightbringer LegguardsPlate Legs
Onslaught LegguardsPlate Legs
Skyshatter LegguardsMail Legs
Slayer's LegguardsLeather Legs
Thunderheart LegguardsLeather Legs
Veil of Turning LeavesLeather ShoulderSign in with Battle.net to see which of these appearances and collectibles you already have, and which of your characters can still loot The Illidari Council this reset.