| Iron Powder | Eric Rasumus | Plane of Knowledge | — |
| Iron Powder | Merchant Model CGXIV | Corathus Creep | — |
| Iron Powder | Researcher Layla | Crescent Reach | — |
| Journeyman Researcher Certificate | Event Coordinator Baublie Diggs | West Freeport | — |
| Knight's Treatment | a spell research merchant | East Cabilis | — |
| Knight's Treatment | a spell research merchant | Rivervale | — |
| Knight's Treatment | Gyruth | Relic, the Artifact City | — |
| Knight's Treatment | a spell research merchant | Rathe Mountains (see also Gukta) | — |
| Knight's Treatment | Scholar Klaz | Plane of Knowledge | — |
| Knight's Treatment | Eric Rasumus | Plane of Knowledge | — |
| Knight's Treatment | a spell research merchant | Oggok | — |
| Knight's Treatment | a spell research merchant | North Kaladim | — |
| Knight's Treatment | a spell research merchant | Neriak - Commons | — |
| Knight's Treatment | a spell research merchant | Kelethin (in Greater Faydark) | — |
| Knight's Treatment | a spell research merchant | Halas | — |
| Knight's Treatment | a spell research merchant | Grobb | — |
| Knight's Treatment | a spell research merchant | Erudin | — |
| Knight's Treatment | Researcher Layla | Crescent Reach | — |
| Knight's Treatment | a spell research merchant | Crescent Reach | — |
| Knight's Treatment | Merchant Model CGXIV | Corathus Creep | — |
| Knight's Treatment | a spell research merchant | Ak'Anon | — |
| Knight's Treatment | a spell research merchant | Shar Vahl | — |
| Knight's Treatment | a spell research merchant | South Qeynos | — |
| Knight's Treatment | a spell research merchant | Southern Felwithe | — |
| Knight's Treatment | a spell research merchant | West Freeport | — |
| Kunark Conflagrant Powder | Research Tasks | Overseer Alternate Quest System | — |
| Kunark Conflagrant Powder | Harvesting Tasks | Overseer Alternate Quest System | — |
| Kunark Conflagrant Powder | Crafting Tasks | Overseer Alternate Quest System | — |
| Kunark Conflagrant Powder | an Arcron lifter | Sathir's Tomb | — |
| Lapis Lazuli Powder | a spell research merchant | Ak'Anon | — |
| Lapis Lazuli Powder | a spell research merchant | East Cabilis | — |
| Lapis Lazuli Powder | a spell research merchant | Erudin | — |
| Lapis Lazuli Powder | a spell research merchant | Grobb | — |
| Lapis Lazuli Powder | a spell research merchant | North Kaladim | — |
| Lapis Lazuli Powder | a spell research merchant | West Freeport | — |
| Lapis Lazuli Powder | a spell research merchant | Crescent Reach | — |
| Lapis Lazuli Powder | Researcher Layla | Crescent Reach | — |
| Lapis Lazuli Powder | Merchant Model CGXIV | Corathus Creep | — |
| Lapis Lazuli Powder | a spell research merchant | Southern Felwithe | — |
| Lapis Lazuli Powder | a spell research merchant | South Qeynos | — |
| Lapis Lazuli Powder | a spell research merchant | Shar Vahl | — |
| Lapis Lazuli Powder | a spell research merchant | Rivervale | — |
| Lapis Lazuli Powder | Gyruth | Relic, the Artifact City | — |
| Lapis Lazuli Powder | a spell research merchant | Rathe Mountains (see also Gukta) | — |
| Lapis Lazuli Powder | Scholar Klaz | Plane of Knowledge | — |
| Lapis Lazuli Powder | Eric Rasumus | Plane of Knowledge | — |
| Lapis Lazuli Powder | a spell research merchant | Oggok | — |
| Lapis Lazuli Powder | a spell research merchant | Halas | — |
| Lapis Lazuli Powder | a spell research merchant | Kelethin (in Greater Faydark) | — |
| Lapis Lazuli Powder | a spell research merchant | Neriak - Commons | — |
