Oozer 5 A H Non-combat Pet - Oozeworm 38 Rare A H Beast Dustwallow Marsh Opal Stonethrower 83 Elite A H Giant Deepholm Opal Stonethrower 83 Elite A H Giant Deepholm Opalescent Guardian 83 A H Elemental Deepholm Opalescent Guardian 83 A H Elemental - Open Portal Target 60 A H Not specified Trial of the Crusader Opengut Behemoth 34-35 Elite A H Undead Western Plaguelands Opengut Behemoth 34-35 A H Undead Western Plaguelands Opengut Behemoth 40 A H Undead Western Plaguelands Operation: Darkspear Destruction 90 A H Not specified - Operation: Gnomeregan Recap Credit 1 A H Not specified - Operations Officer 55 A H Humanoid Hellfire Peninsula Ophek 10 A H Humanoid Durotar Ophelia 84 A H Humanoid Twilight Highlands Ophelia 1 A H Humanoid - Ophelia Montague<Banker> 45 A H Undead Undercity Opterax 1 Rare A H Beast - Optic Blast 1 Elite A H Not specified - Optimistic Benj 24 Rare A H Beast Old Hillsbrad Foothills Optimo 18 Rare A H Mechanical Loch Modan Opuno Ironhorn<Blacksmithing Trainer> 35 A H Humanoid Orgrimmar Opus 40 A H Beast Burning Steppes Or'Dac<Brackenwall Emisary> 90 A H Humanoid Krasarang Wilds Or'Kalar 27 A H Humanoid Arathi Highlands Or'kaos the Insane 72 Elite A H Humanoid Shadowmoon Valley Or'lin Oakenfist 1 A H Humanoid - Orabus Spell Trigger 1 A H Not specified - Orabus the Helmsman 71 A H Humanoid - Orabus the Helmsman 71 A H Humanoid - Orachi<Captain of the Inkgill Guard> 87 A H Humanoid Kun-Lai Summit Oracle Hiss'ir 90 A H Humanoid Dread Wastes Oracle Orphan 1 A H Non-combat Pet - Oracle Orphan 1 A H Non-combat Pet Dalaran Oracle Soo-dow 78 Elite A H Humanoid Sholazar Basin Oracle Soo-nee 77 Elite A H Humanoid Sholazar Basin Oracle Soo-rahm 76 A H Humanoid Sholazar Basin Oracle Sphere 1 A H Not specified - Oracle Visitor 72-77 A H Humanoid Darkmoon Island Orako 81 A H Humanoid Abyssal Depths Oralius<Morgan's Militia> 55 Elite A H Humanoid - Oralius 55 A H Humanoid Burning Steppes Oran Blusterbrew<Trade Goods> 65 A H Humanoid Shadowmoon Valley Oran Snakewrithe 50 A H Humanoid The Hinterlands Orange Fog Beast 90 Elite A H - - Orange Highlight Bunny 1 A H Not specified - Orange Painted Turnip 90 A H Totem - Orange Slime 85 A H - Dread Wastes Orange Tabby Cat 1 A H Non-combat Pet Elwynn Forest Orange Turnip Credit 1 A H Not specified -