Hyperion Vambraces

Dropped by 5

• Gahz'ranka level 63 1% 15114
• Onyxia level 63 1% 10184
• Korrak the Bloodrager level 62 0.5% 12159
• Crimson Hammersmith level 60 0% 11120
• Sir Zeliek level 63 0% 2000094

Dropped by, from a shared table 40+

• Anubisath Guardian level 62 15355
• Azuregos level 63 6109
• Azuregos level 63 63107
• Baron Kazum level 63 15205
• Blackwing Spellbinder level 62 12457
• Captain Tuubid level 63 15392
• Chimaerok Devourer level 62 12802
• Colonel Zerran level 63 15385
• Death Talon Flamescale level 62 12463
• Death Talon Seether level 62 12464
• Death Talon Wyrmguard level 63 12460
• Dreamroarer level 62 12497
• Emeraldon Boughguard level 62 12474
• Firelord level 62 11668
• Flameguard level 62 11667
• Flamewaker Elite level 62 11664
• Flesh Hunter level 62 15335
• Foreman Jerris level 62 1843
• Gurubashi Berserker level 62 11352
• High Speaker Jam?wahli level 62 63100
• Ima'ghaol, Herald of Desolation level 63 62606
• Imperial Qiraji Destroyer level 63 15744
• Infernal Destroyer level 63 62017
• Ivus the Forest Lord level 63 13419
• Lava Elemental level 62 12076
• Lava Reaver level 63 12100
• Living Monstrosity level 62 16021
• Molten Destroyer level 63 11659
• Necropolis Acolyte level 62 16368
• Nefarian level 63 11583
• Sanctum Supressor level 63 61212
• Sanctum Wyrm level 63 60744
• Scarlet High Clerist level 63 1839
• Stitched Spewer level 63 16025
• The Duke of Shards level 62 15208
• The Husk level 62 1851
• Vekniss Hive Crawler level 62 15240
• Verdantine Boughguard level 62 12477
• Warbringer Overseer level 63 62019
• Wyrmkin Firebrand level 62 1049

Only the first 40 are listed.

Found in 4

• Old Treasure Chest 1.2% 176944
• Dark Coffer 0.5% 160845
• Solid Chest 0.3% 153454
• Solid Chest 0.3% 153453

Contained in 3

• Ahn'Qiraj War Effort Supplies level 1 1.3% 21513
• Bag of Spoils level 1 0.8% 20603
• Thorium Lockbox level 2 0.6% 5759