Umbral Crystal

Dropped by 2

• Narillasanz level 44 0% 2447
• Silvermane Wolf level 44 0% 2924

Dropped by, from a shared table 40+

• Blazing Elemental level 47 5850
• Bright Crawler level 53 91831
• Brilliant Wind Serpent level 58 61480
• Cavern Lurker level 46 12223
• Celebrian Dryad level 46 11793
• Chief Maulfist level 47 61247
• Constrictor Vine level 46 12220
• Dark Iron Slaver level 46 5844
• Dreadmaul Ogre level 46 5974
• Dunemaul Ogre level 46 5471
• Enthralled Atal'ai level 46 5261
• Frayfeather Skystormer level 46 5305
• Glasshide Gazer level 46 5420
• Gordunni Mage-Lord level 46 5239
• Haldarr Trickster level 47 6126
• Highvale Marksman level 46 2693
• Hulking Feral Scar level 46 5293
• Icepoint Whiteclaw level 46 60545
• Island Pincer level 50 91832
• Mosshoof Runner level 47 8759
• Rock Crawler level 51 91833
• Rogue Vale Screecher level 46 5308
• Sandfury Ritualist level 46 62500
• Sandfury Shadowhunter level 46 7246
• Sandfury Soul Eater level 46 7247
• Scarab level 46 7269
• Silver Coast Crawler level 52 92147
• Silvermane Howler level 46 2925
• Slave Worker level 47 5843
• Slime Maggot level 46 8311
• Snarlclaw level 47 61405
• Starving Snickerfang level 46 5984
• Strand Crawler level 49 92146
• Sul'lithuz Sandcrawler level 47 8095
• Tempered War Golem level 47 5853
• Vile Larva level 47 12218
• Vilebranch Warrior level 46 4465
• Wallowfin Murloc level 52 91857
• Wandering Forest Walker level 46 7584
• Wretched Lost One level 47 5979

Only the first 40 are listed.

Contained in 2

• Ahn'Qiraj War Effort Supplies level 1 1.5% 21512
• Steel Lockbox level 2 0.2% 4637