Ookin Shaman 88 A H Humanoid Kun-Lai Summit Ookin Shaman 88 A H Humanoid Kun-Lai Summit Oomailiq<Green Island> 65 A H Humanoid Howling Fjord Oomla Whitehorn 80 A H Humanoid Mount Hyjal Oomlot Riding Turtle 1 A H Beast - Oomlot Shaman 7-8 A H Humanoid The Lost Isles Oomlot Shaman 7-8 A H Humanoid The Lost Isles Oomlot Tribesman 7-8 A H Humanoid The Lost Isles Oomlot Warrior 7-8 A H Humanoid The Lost Isles Oona Brewchugger 90 A H Humanoid The Jade Forest Oona Goon 90 A H Humanoid The Jade Forest Oona Ringleader 90 A H Humanoid - Oona Tuna-Catcher 90 A H Humanoid The Jade Forest Oondasta 93 Elite A H Beast Isle of Giants Oostan Headhunter 7-8 A H Humanoid The Lost Isles Ooze Controller (Stalker) 90 A H Not specified Siege of Orgrimmar Ooze Covered Tentacle ☠ Boss Boss A H Undead - Ooze Covered Tentacle Stalker ☠ Boss Boss A H Undead - Ooze Spray Stalker 80 A H Not specified - Oozeling 40 A H - - 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 -