| On Languages | Morris Addel | Abysmal Sea | — |
| On Languages | a spell research merchant | Rivervale | — |
| On Languages | a spell research merchant | Crescent Reach | — |
| Osmium Ore | an Orator's Army nature mage | Sarith, City of Tides | — |
| Osmium Ore | a lava spirit | Tempest Temple | — |
| Osmium Ore | a high elf wizard | Al'Kabor's Nightmare | — |
| Osmium Ore | a high elf sentry | Al'Kabor's Nightmare | — |
| Osmium Ore | a palace retainer | Argath, Bastion of Illdaera | — |
| Osmium Ore | Crafting Tasks | Overseer Alternate Quest System | — |
| Osmium Ore | an Orator's army scout | Sarith, City of Tides | — |
| Osmium Ore | an Orator's army warpriest | Sarith, City of Tides | — |
| Osmium Ore | a tower warden | Sanctum Somnium | — |
| Osmium Ore | Research Tasks | Overseer Alternate Quest System | — |
| Osmium Ore | Harvesting Tasks | Overseer Alternate Quest System | — |
| Osmium Ore | a coral crawler | Tempest Temple | — |
| Osmium Ore | a sea goblin shaman | Tempest Temple | — |
| Ossified Adamantite | Trista N`Ryt | Neriak - Commons | — |
| Ossified Adamantite | Draan N`Ryt | Neriak - 3rd Gate | — |
| Ossified Ancestral Acrylia | Arms Historian Qua | Shar Vahl | — |
| Ossified Antonican Ore | Kyrin Steelbone | West Freeport | — |
| Ossified Antonican Ore | Mar Sedder | South Qeynos | — |
| Ossified Brellium | Bloarn Norkhitter | North Kaladim | — |
| Ossified Cold Iron | Gralbug | Oggok | — |
| Ossified Cold Iron | Puglala | Oggok | — |
| Ossified Crystalwing Ore | Smith Yahya | Crescent Reach | — |
| Ossified Feir`Dal Mithril | Merchant Niwiny | Kelethin (in Greater Faydark) | — |
| Ossified Fortified Bronze | a clockwork miner | Ak'Anon | — |
| Ossified Fortified Bronze | Clockwork SmithXIII | Ak'Anon | — |
| Ossified Iron | Ungia | Grobb | — |
| Ossified Koada`Dal Mithril | Opal Leganyn | Northern Felwithe | — |
| Ossified Mercurium | Frankle Ironhair | Rivervale | — |
| Ossified Northman Ore | Greta Terrilon | Halas | — |
| Ossified Rilsteel | Merchant Niwiny | Kelethin (in Greater Faydark) | — |
| Ossified Rilsteel | Mar Sedder | South Qeynos | — |
| Ossified Rilsteel | Kyrin Steelbone | West Freeport | — |
| Ossified Skyiron | Smithy Zern | East Cabilis | — |
| Ossified Skyiron | Smithy Xzatik | East Cabilis | — |
| Ossified Titanium | Shinan Orefinder | Erudin | — |
| Ossified Titanium | Faratain | Paineel | — |
| Ossified Valorite | Zok Drup | Gukta (in Rathe Mnts) | — |
| Paladin Emblem | Bor Warhammer | Plane of Tranquility | — |
| Palladium Ore | Research Tasks | Overseer Alternate Quest System | — |
| Palladium Ore | Harvesting Tasks | Overseer Alternate Quest System | — |
| Palladium Ore | Crafting Tasks | Overseer Alternate Quest System | — |
| Petrified Redwood | Bixie Berry Pie | Warsliks Woods | — |
| Petrified Redwood | Bixie Berry Pie | Mines of Gloomingdeep | — |
| Petrified Redwood | a thorny succulent | The Overthere | — |
| Pick Head Mold | Yeril Imsin | Plane of Knowledge | — |
| Pick Head Mold | Borik Darkanvil | Plane of Knowledge | — |
| Pick Head Mold | Esunta | Abysmal Sea | — |
